Riken Keiki GD-84D-EX Series Скачать руководство пользователя страница 142 | Manualshive

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7. Maintenance

7-10 Making changes in Environmental setting 2

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5 Press the TEST/ SET key or MODE key to move the

cursor.

To move to the next character, press the TEST/SET key.
To move to the previous character, press the MODE key.

6 Press

the

▲

key or

▼

key to select the character, then

press the TEST/SET key.

Press the

▲

key or

▼

key repeatedly to cycle through

character types: numbers (0 - 9), letters (A - Z), "

－

" (bar),

and the space character.
Press the SHIFT key to switch between upper and lower
case.

7 Repeat steps 5 and 6. Move the cursor to the end of line

after making the settings, then press the TEST/SET key.

The display reverts to the display in step 3.
The display will also return to the display in step 3 after you move the cursor to the beginning of the
line and press the MODE key.
To continue to set the gas names for other sensors, repeat steps 3 to 7.

8 Press the MODE key after making the settings.

The display reverts to the [SET-24 GAS NAME] display.

9 Press the MODE key.

The display reverts to the [2-10 SETTING2] display.

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Содержание GD-84D-EX Series

Страница 1: ...PT2E 3040 Gas Detector Head GD 84D EX Series GD 84D EX EC GD 84D EX GD 84D EX ET EC GD 84D EX ET GD 84D EX EA EC GD 84D EX EA Operating Manual ...

Страница 2: ...ance space 25 4 3 1 Maintenance space 25 4 3 2 Maintenance space 27 4 4 Installing the main unit 29 4 4 1 Installing the main unit without the mounting plate for compatibility with the GD 70D 30 4 4 2 Installing the main unit using the mounting plate for compatibility with the GD 70D 33 4 5 Fitting sensors 37 4 5 1 Configuration of the main unit 37 4 5 2 Fitting sensors 39 4 6 Wiring procedure 41 ...

Страница 3: ...nce mode 82 7 4 Performing a gas introduction test 84 7 5 Performing calibration 85 7 5 1 Running zero calibration 85 7 5 2 Running span adjustment 87 7 5 3 Connecting the calibration gas 90 7 5 4 Disconnecting the calibration gas 92 7 6 Adjusting the flow 93 7 6 1 Checking the flow FLOW 93 7 6 2 Manually adjusting the flow FLOW 94 7 6 3 Correcting the flow value DEF FLOW 95 7 7 Checking setting v...

Страница 4: ... OUT 137 7 10 22 Caution display setting CAU DISP 138 7 10 23 Caution output setting CAU OUT 140 7 10 24 Displayed gas name setting GAS NAME 141 7 10 25 LCD contrast adjustment CONTRAST 143 8 Replacing and cleaning parts 144 8 1 Replacing consumable parts 144 8 1 1 Replacing sensors 144 8 1 2 Dust filter replacement 149 8 2 Replacing periodic replacement parts 150 8 2 1 List of recommended periodi...

Страница 5: ...New ceramic type 178 11 2 3 Semiconductor type 179 11 2 4 Hot wire semiconductor type 181 12 Appendix 183 12 1 Detection principle 183 12 1 1 Electrochemical type 183 12 1 2 New ceramic type 185 12 1 3 Semiconductor type 187 12 1 4 Hot wire semiconductor type 189 12 2 Terminology 191 ...

Страница 6: ...ited whether in whole or in part Riken Keiki accepts no liability for accidents or damage resulting from use of the product whether within or outside the warranty period Review the warranty policy indicated on the warranty Before using the product please confirm that the model of the product you purchased matches the model of the product covered by this operating manual Models covered by this oper...

Страница 7: ... the specifications before use to confirm the correct gases will be detected in accordance with the intended purpose Model Communication method Corresponding sensor Power source Contact output 24 V DC PoE Alarm Fault GD 84D EX EC 4 20 mA ESF GD 84D EX 4 20 mA NCF SGF SHF ESF GD 84D EX ET EC Ethernet ESF GD 84D EX ET Ethernet NCF SGF SHF ESF GD 84D EX EA EC Ethernet 4 20 mA ESF GD 84D EX EA Etherne...

Страница 8: ... property damage CAUTION This indicates situations in which improper handling may result in minor injury or minor property damage Additionally usage recommendations are indicated as follows NOTE This indicates items that will be helpful to know when using the product 1 4 Checking CE UKCA marking CE UKCA marking compliant models will feature CE UKCA marking labels Check actual product specification...

Страница 9: ... pressure to the product s sampling pipe openings This product is designed to perform gas detection by drawing in gas at atmospheric pressure Applying excessive pressure to the product s sampling pipe openings GAS IN GAS OUT is dangerous Doing so may cause the detection target gas to leak from the product Discharge exhaust gas after detection to a location confirmed to be safe by connecting an exh...

Страница 10: ...using this product to avoid the effects of gas absorption and airborne dust The correct dust filter type depends on the type of gas to be detected Contact our sales department for more information Observe the specified operating range to avoid condensation in the pipes Condensation within the pipes may lead to gas adsorption blockages and other problems that make it impossible to detect gases accu...

Страница 11: ...odels Main unit Standard accessories Protective rubber caps 1 2 Dust filter 2 1 Operating Manual 1 1 These caps protect the GAS IN and GAS OUT ports Remove them when the product is in use 2 One dust filter is supplied The dust filter supplied depends on the model Optional accessories Mounting plate for compatibility with GD 70D to use with four mounting screws Mounting plate for compatibility with...

Страница 12: ...t Operating manual 1 1 These caps protect the GAS IN and GAS OUT ports Remove them when the product is in use 2 One dust filter is supplied The dust filter supplied depends on the model Optional accessories Mounting plate for compatibility with GD 70D for use with four mounting screws Mounting plate for compatibility with GD 70D for use with three or four mounting screws ...

Страница 13: ...nit No Name Function Fan This is the cooling fan GD 84D EX EC GD 84D EX ET EC and GD 84D EX EA EC lack fans Front panel The LCD display and keys used to operate the product are located on this panel LCD screen Full dot LCD screen that displays gas concentration and other information Front cover This cover protects the units inside the main unit ...

Страница 14: ...odels No Name Function GAS IN This is the sampling pipe opening on the IN side Power switch Power ON OFF switch Ethernet cable connection inlet RJ 45 connector for connecting Ethernet cable Grounding terminal Grounding wires are connected to this terminal GAS OUT This is the sampling pipe opening on the OUT side ...

Страница 15: ...e to return to detection mode key Used to select sensors or adjust values UP key Used to select sensors or adjust values DOWN TEST SET key Hold down in detection mode to switch to the mode used to perform alarm tests This key is used in various modes to confirm values or make settings SHIFT key This key is used for supplementary functions in various modes Sensor positioning indicators These indica...

Страница 16: ... this operating manual show H2 NH3 and CH4 as example detection target gases About the communication indicators Icons on the maintenance display section indicate whether the product is transmitting or receiving when data is being transmitted or received to from upstream devices NOTE The suction flow rate for this product is automatically adjusted by the automatic flow adjuster function The flow ra...

Страница 17: ...unit Gas alarm contacts Ch1 4 ALM1 Gas alarm contacts Ch1 4 ALM2 Fault alarm contact FAULT Standard settings for contact operation Under normal conditions De energized At an alarm state Energized 24 V DC 4 20 mA External output section Control unit CPU Sensors Ch1 4 Display LED Button panel Pump Flow sensor Pump control circuit Power source voltage conversion section Display LCD POWER ALM1 ALM2 FA...

Страница 18: ...191 ET models Control unit CPU Sensors Ch1 4 Display LED Button panel Flow sensor Pump Transmitter Ethernet Pump control circuit Power source voltage conversion section Display LCD POWER ALM1 ALM2 FAULT MODE TEST SET SHIFT PoE Power supply section ...

Страница 19: ...rol circuit Power source voltage conversion section Display LCD POWER ALM1 ALM2 FAULT MODE TEST SET SHIFT Power supply section Alarm contact control unit 24 V DC PoE 4 20 mA External output section Gas alarm contacts Ch1 4 ALM1 Gas alarm contacts Ch1 4 ALM2 Fault alarm contact FAULT Standard settings for contact operation Under normal conditions De energized At an alarm state Energized Pump Flow s...

Страница 20: ...3 Product Configuration 3 3 Block diagram 20 191 3 3 2 Piping diagram Refer to the product piping circuit diagram provided below Pump Sensor Flow Sensor Flow automatic adjustment Flow monitor ...

Страница 21: ... chemicals or other liquids Do not install in locations where temperatures can fall below 10 C or exceed 40 C The product is designed for use in environments with ambient temperatures between 10 C and 40 C Install in a location where temperatures will not exceed the operating temperature range Do not install in locations exposed to direct sunlight or sudden temperature fluctuations Avoid installin...

Страница 22: ...4 20 mA models 24 V DC 10 main unit terminal voltage ET models PoE connection EA models 24 V DC 10 voltage of main unit terminal or PoE connection not to be supplied simultaneously Time allowed for instantaneous power failures Up to approx 10 ms Example of countermeasure Deploy an external UPS uninterruptible power system or similar to guarantee continuous operation and functionality Miscellaneous...

Страница 23: ...all surge voltages Using alarm contacts correctly The alarm contacts on this product are designed to transmit signals to activate external buzzers alarm indicators revolving lights etc Do not use for control purposes e g controlling shutoff valves CAUTION When relay contacts are to be left in a constantly closed state burning may occur at the contacts with minimal vibration A de energized b contac...

Страница 24: ...ternal relay not exceeding 24 V DC Add a surge absorber SK1 appropriate for the rating to the external relay Where necessary add a surge absorber SK2 to the load side of the external relay In certain cases due to load conditions it may be preferable to attach the surge absorber to the contact side Confirm load behavior and determine the optimal attachment point On GD 84D EX SK1 SK2 Surge absorbers...

Страница 25: ...product make sure there is space for maintenance 4 3 1 Maintenance space When installing one unit of this product When installing this product in series When not using the mounting plate for compatibility with the GD 70D ET 170 300 30 150 Unit mm Maintenance space Maintenance space Maintenance space Unit mm ...

Страница 26: ...ance space Maintenance space Maintenance space Unit mm Use of mounting plate for 5mm pitch Use of mounting plate for 5mm pitch Use of mounting plate for 5mm pitch Fixed at 2 points either inside or outside Maintenance space Maintenance space Maintenance space Unit mm Use of mounting plate for 5mm Use of mounting plate for 5mm Use of mounting plate for 5mm Fixed at 2 points either inside or outside...

Страница 27: ...l on a rack or wall to protect against vibrations If the rack or wall on which the products are installed lacks sufficient strength the vibration of the built in pumps may generate resonance between the products If this occurs take appropriate measures for example reinforcing the rack or wall 4 3 2 Maintenance space When installing one unit of this product When installing this product in series Wh...

Страница 28: ...ance space Maintenance space Maintenance space Unit mm Use of mounting plate for 5mm pitch Use of mounting plate for 5mm pitch Use of mounting plate for 5mm pitch Fixed at 2 points either inside or outside Maintenance space Maintenance space Maintenance space Unit mm Use of mounting plate for 5mm Use of mounting plate for 5mm Use of mounting plate for 5mm Fixed at 2 points either inside or outside...

Страница 29: ...rations If the rack or wall on which the products are installed lacks sufficient strength the vibration of the built in pumps may generate resonance between the products If this occurs take appropriate measures for example reinforcing the rack or wall 4 4 Installing the main unit CAUTION For performance reasons this product must be installed facing in a particular direction Install the product hor...

Страница 30: ... attached excess loads will be imposed on the pumps and sensors when the power is turned ON This may result in damage ET models 1 Place the main unit against the installation surface and secure with two screws We recommend double SEMS screws M4 14 2 Pull the projection on the top of the main unit towards you to open the front cover The front cover opens to approximately 120 Push further down to op...

Страница 31: ...al unit against the installation surface and secure with four screws 2 Mount the main unit to the terminal unit 3 Pull the projection on the top of the main unit towards you to open the front cover The front cover opens to approximately 120 Push further down to open to 180 Projection on the top ...

Страница 32: ...lation 4 4 Installing the main unit 32 191 4 Use four screws to secure the main unit to the terminal unit 5 Close the front cover on the main unit Close the front cover firmly so that it clicks back into place ...

Страница 33: ...y result in damage ET models 1 Use four double SEMS screws M4 M5 to secure the mounting plate for compatibility with the GD 70D to the installation surface You can also use three double SEMS screws M4 M5 when using the mounting plate for compatibility with the GD 70D for three or four mounting screws The following screws are recommended for mounting Screw type double SEMS M4 or M5 Screw length 8 m...

Страница 34: ...e top of the main unit towards you to open the front cover The front cover opens to approximately 120 Push further down to open to 180 4 Use four screws to secure the main unit to the mounting plate for compatibility with the GD 70D 5 Close the front cover on the main unit Close the front cover firmly so that it clicks back into place Projection on the top ...

Страница 35: ...ing Screw type double SEMS M4 or M5 Screw length 8 mm or more When securing with three double SEMS screws use the mounting plate for three or four mounting screws You cannot use the mounting plate for four mounting screws 2 Use four screws M4 to secure the terminal unit to the mounting plate for compatibility with the GD 70D Use the supplied screws Screw type M4 Screw length 6 mm Securing with thr...

Страница 36: ...top of the main unit towards you to open the front cover The front cover opens to approximately 120 Push further down to open to 180 5 Use the four screws to secure the main unit to the terminal unit 6 Close the front cover on the main unit Close the front cover firmly so that it clicks back into place Projection on the top ...

Страница 37: ...is composed of precision components In particular be careful to avoid dropping the sensors when removing them Dropping or exposing to strong impact can cause sensors or units to malfunction Dropping or exposing to strong impact may also impair sensor performance Pump unit Flow sensor unit Sensor Chamber unit Fan unit ...

Страница 38: ...ur sales department or sales office for more information CAUTION From a quality and safety standpoint handle the sensors used in these products with care Sensor storage requires setting aside a storage compartment specifically for the sensors including facilities for supplying power As a rule avoid handling or storing the sensors after removing them from the product Contact Riken Keiki to handle s...

Страница 39: ...s on the chamber unit 3 Grasp the projections on the left and right of the chamber unit Pull towards you then lower to open 4 Attach the sensor Grasp the cylindrical part of the sensor Match the face of the connector on the main unit and the connector on the sensor then push in firmly to secure into place Avoid pressing on the top of the sensor while doing this Doing so may damage sensor Top of se...

Страница 40: ...amber unit is secured in place Gas leaks may result if the knurled screws are not tightened properly 7 Close the front cover on the main unit Close the front cover firmly so that it clicks back into place CAUTION To attach the sensor to the main unit push the sensor connector in firmly so that it is secured in place Improper attachment may cause the sensor to fall out and damage the connector ...

Страница 41: ...d cable ensure strands from one core do not make contact with the other core strands Use a flathead screwdriver 3 5 mm wide or less 0 5 mm thick or less to perform wiring 4 6 1 Recommended cables 4 20 mA models Communication method Recommended cables Power source CVV or other two core cable 1 25 mm2 4 20 mA CVVS or other shielded cable 1 25 mm2 Contacts CVV or similar cable 1 25 mm2 ET models Comm...

Страница 42: ... wire 0 08 2 5 mm2 Flexible stranded wire fitted with ferrule 0 25 2 5 mm2 Insulation stripped length 8 9 mm Tools for connection Flathead screwdriver 3 5 mm wide or less 0 5 mm thick or less Manufacturer tool 210 720 CAUTION Be sure to strip the cable to the specified length Conduction faults or overheating may result if the stripped wire length is too short and the wire is clamped incorrectly Co...

Страница 43: ...p 4 206 204 WAGO CAUTION Be sure to use the specified bar terminal Performance is guaranteed only for the bar terminals specified 4 6 3 Terminal plate connections Use a flathead screwdriver 3 5 mm wide or less 0 5 mm thick or less to connect the cables to the terminal plate CAUTION Be sure to use the correct tools In general connect only one cable to one wire inlet ...

Страница 44: ...equivalent grounding resistance not exceeding 100 Ω Use cable lugs on the grounding wire to ensure safe grounding with the cable free of slack and twisting Do not ground to or near the same point used to ground other high frequency devices or high voltage devices Connection example 4 20 mA models Connection example ET models GD 84D EX EC GD 84D EX Stabilized power supply 24 V DC Upstream DCS PLC G...

Страница 45: ...on example EA models PoE Avoid using 24 V DC power supply and PoE at the same time GD 84D EX EA EC GD 84D EX EA Switching hub Upstream PC PLC Stabilized power supply 24 V DC Upstream DCS PLC GD 84D EX EA EC GD 84D EX EA Switching hub With PoE functionality Upstream PC PLC Upstream DCS PLC ...

Страница 46: ...maining swarf before connecting to the product Note that the sample gas may be highly absorptive or corrosive Keep this point in mind when selecting piping materials Within the specified range of operating temperatures the suction flow rate for this product by itself is approximately 0 6 L min Please consult with us for more information on factors such as pipe length when samples are to be drawn f...

Страница 47: ... condensation within the piping For gases that become more corrosive when dissolved in water e g highly acidic gases consequences may include impaired capacity to detect gases and corrosive damage to internal parts Do not lay piping that includes U or V shaped angles Keep this in mind when performing the installation work Choose the position of the sampling inlet for the sampling gas after careful...

Страница 48: ...supply voltage is within the rated range External contacts may activate while adjustment is underway Take precautions to prevent unwanted consequences due to activated contacts Check to confirm that the connected piping is free of blockages and leaks Blockages in connected pipes will generate excessive pressure on the sensors which can lead to malfunctions or failure Depending on the sensor blocka...

Страница 49: ...ly 25 seconds The process performs system checks and disables alarms and performs other startup settings then enters detection mode After the power is turned on the LCD display changes automatically as shown below Fully illuminated display Initialization Gas specification display Detection mode WARNING For oxygen deficiency models the gas specification display will indicate a value around 20 9 vol...

Страница 50: ...mup for the required duration Refer to 11 2 Sensor specifications Alarm behavior and output signals will be unstable during warmup To avoid problems notify any departments that may be affected beforehand After the warmup is complete verify that the flow display reading is the flow stipulated then calibrate Depending on the conditions and how long the device was off the reading may oscillate when t...

Страница 51: ...ssing the keys on the product will have the following effects The product normally operates in detection mode Detection mode User mode Maintenance mode First alarm Second alarm Fault alarm Alarm test MODE key long press MODE key long press TEST SET key long press After recovery turn on the power to restart ...

Страница 52: ...5 Usage Instructions 5 3 Basic operation flow 52 191 WARNING When in an alarm state in detection mode switching to user mode or maintenance mode will reset the alarm ...

Страница 53: ...Second alarm setpoint ALM2 Alarm delay time Zero suppression value Zero following settings Sensitivity correction settings 1 3 FLOW Total flow display Displays the current flow 1 4 ADDRESS Not used 1 5 84D VER Version display for main unit and terminal unit Displays the version of the main unit and terminal unit 1 6 SEN VER Version display for sensors Displays the versions of sensor programs 1 7 N...

Страница 54: ...the MODE key for about three seconds in user mode to switch to detection mode WARNING Once the operations are complete hold down the MODE key to return to detection mode The product will not detect gases while in the adjustment setting state If left in user mode the product will return to detection mode after 10 hours Note that this is dangerous because no monitoring occurs during this time ...

Страница 55: ... In user mode press the key or key to select 1 1 AIR then press the TEST SET key 2 Press the key or key to select the sensor to be air calibrated Press the key or key to cycle through the following settings A1 A2 B1 B2 Select all for the selected sensor blinks 3 Connect the calibration gas to this product Connect the gas sampling bag for air calibration and the gas sampling bag for exhaust gas to ...

Страница 56: ...When air calibration is complete disconnect the gas sampling bag for air calibration and the gas sampling bag for the exhaust gas Refer to 7 5 4 Disconnecting the calibration gas After performing air calibration for each sensor return the chamber switching unit to the D detection mode position 8 Press the MODE key The display reverts to the 1 1 AIR display 9 Hold down the MODE key for about three ...

Страница 57: ...display is displayed only for new ceramic sensors or for sensors based on the electrochemical detection principle The sensitivity correction function ON OFF display is displayed only for sensors based on the electrochemical detection principle 1 In user mode press the key or key to select 1 2 CONFIRM then press the TEST SET key 2 Check the different setting values Press the key or key to view diff...

Страница 58: ...Zero follower ON OFF display Displays the zero follower ON OFF setting Refer to 6 4 2 Zero follower function Sensitivity correction ON OFF display Displays the sensitivity correction ON OFF setting Refer to 6 4 3 Sensitivity correction function Press the key to return to the first alarm setpoint display 3 Press the MODE key The display reverts to the 1 2 CONFIRM display First alarm setpoint displa...

Страница 59: ...wer ON OFF setting and sensitivity correction ON OFF setting can be set in Environmental setting 2 in maintenance mode Refer to 7 10 Making changes in Environmental setting 2 5 6 2 Checking flow values FLOW Display the current flow value L min 1 Press the key or key in user mode to select 1 3 FLOW then press the TEST SET key 2 Check the current flow value L min Displays the total value for flow pa...

Страница 60: ...t is displayed only for 4 20 mA and EA models 1 Press the key or key in user mode to select 1 5 84D VER then press the TEST SET key 2 Check the ROM SUM values Press the key or key to switch between viewing the ROM SUM value for the main unit and the ROM SUM value for the terminal unit Display showing ROM SUM value for main unit Display showing ROM SUM value for terminal unit 3 Press the MODE key T...

Страница 61: ...EST SET key 2 Check the sensor ROM SUM values 3 Press the MODE key The display reverts to the 1 6 SEN VER display 5 6 5 Checking the communication PCB version NET VER Display the ROM SUM value for the communication PCB currently connected 1 Press the key or key in user mode to select 1 7 NET VER then press the TEST SET key 2 Check the communication PCB ROM SUM value 3 Press the MODE key The displa...

Страница 62: ...ting enabling INHIBIT in the upstream central system Additionally check the devices connected to the external output of this product and the external contact output terminals to determine whether you should turn off the power to those devices If the alarm contacts are energized optional the contacts may respond activate when the power for this product is turned off If the detection target gas is h...

Страница 63: ...his should be canceled if not required Refer to 7 9 3 Alarm delay time setting ALM DLY Gas concentration display The display at the sensor mounting position where the alarm is occurring blinks The first alarm flashes once every 2 seconds the second alarm flashes once every 1 second If the detection range is exceeded full scale over OVER will appear on the LCD Power alarm lamp display The alarms ar...

Страница 64: ... NOTE To cancel an alarm press the MODE key TEST SET key key or key in detection mode Alarm pattern H HH Alarm pattern L H Alarm pattern L LL Oxygen deficiency alarm 4 20mA EA Normal Alarm Reset ALM1 alarm lamp red ALM2 alarm lamp red ALM1 alarm contact ALM2 alarm contact Gas concentration Normal Alarm Reset Alarm Reset Gas concentration ALM1 alarm lamp red ALM2 alarm lamp red ALM1 alarm contact A...

Страница 65: ...ash when an alarm occurs The lamps stop flashing and remains constantly lit when reset Then the lamps go out when the gas concentration falls below the alarm setpoint Alarm pattern H HH 4 20mA EA Normal Alarm Reset Gas concentration ALM1 alarm lamp red ALM2 alarm lamp red ALM1 alarm contact ALM2 alarm contact ALM1 alarm lamp red ALM2 alarm lamp red ALM1 alarm contact ALM2 alarm contact ALM1 alarm ...

Страница 66: ...amp red ALM2 alarm lamp red ALM1 alarm contact ALM2 alarm contact ALM1 alarm lamp red ALM2 alarm lamp red ALM1 alarm contact ALM2 alarm contact ALM1 alarm lamp red ALM2 alarm lamp red ALM1 alarm contact ALM2 alarm contact ALM1 alarm lamp red ALM2 alarm lamp red ALM1 alarm contact ALM2 alarm contact Reset Reset Reset Reset Reset Reset ...

Страница 67: ...M1 alarm lamp red ALM2 alarm lamp red ALM1 alarm contact ALM2 alarm contact ALM1 alarm lamp red ALM2 alarm lamp red ALM1 alarm contact ALM2 alarm contact ALM1 alarm lamp red ALM2 alarm lamp red ALM1 alarm contact ALM2 alarm contact ALM1 alarm lamp red ALM2 alarm lamp red ALM1 alarm contact ALM2 alarm contact Reset Reset Reset Reset Reset ...

Страница 68: ...p 3 If the gas concentration display remains unchanged close the main valve for the gas in question and confirm that the concentration reading has dropped Step 4 Wear appropriate protective gear to safeguard against hazards involving residual gas and access the gas leakage location Use a portable gas detector to check for residual gas Step 5 Once you have determined that no hazards are present tak...

Страница 69: ...cted at the same time the main unit fault and sensor fault are displayed alternately Main unit fault With a flow loss fault E 51 FLOW Sensor fault With a set potential fault E 13 Power fault lamp indications FAULT lights up yellow NOTE Following fault recovery initialization is performed and it restarts Refer to 10 Troubleshooting for more information on faults and appropriate response If a fault ...

Страница 70: ...entration data Bit settings for various alarms 3 Initialization 2 5 mA setting 2 5 mA 4 mA HOLD 4 20 mA setting 4 mA depending on maintenance mode setting Initialization bit 4 Maintenance mode 2 5 mA setting 2 5 mA 4 0 mA setting 4 0 mA HOLD setting Maintain previous value 4 20 mA setting 4 20 mA Concentration output Concentration data Adjustment bit 5 Alarm test Output ON setting 4 20 mA Concentr...

Страница 71: ...product is starting and when changing the specifications Make sure you have a good understanding of this behavior If necessary take the necessary steps on the receiver e g put into skip state so that no false alarms occur Outputs dependent on sensor settings will be updated after replacement of the sensor The following cases in particular require special care Replacement when C 02 is displayed Whe...

Страница 72: ...al user interface Mail transmission function SMTP Notifications are sent to the addresses registered on an external mail server if gas alarms or fault alarms are triggered Time synchronization function SNTP Time data is acquired from a time server to keep the time up to date Modbus slave function Modbus TCP The product can function as a Modbus slave returning settings with responses to read reques...

Страница 73: ...will be indicated as follows Zero suppression function disabled Zero suppression function enabled The reading fluctuates around zero Displays zero up to the standard setting value 6 F S 0 09 ppm NOTE The standard preset value for the zero suppression function differs depending on sensor specifications This function is disabled in maintenance mode Fluctuations in readings of less than the value set...

Страница 74: ...ed for extended periods The sensitivity correction function is designed to compensate for assist gas sensitivity degradation accounting for variations in sensitivity over time Span adjustment is performed according to programmed processing based on theoretically derived degradation trends NOTE The sensitivity correction function is available for sensors based on the electrochemical type detection ...

Страница 75: ...tions The display indicates C 01 if the sensor is replaced with a sensor of the same specifications e g detection principle and model for example upon periodic replacement Press the TEST SET key to recognize the sensor as a new sensor and to start up When replaced with a sensor based on different specifications The display indicates C 02 if the sensor is replaced with a sensor of different specifi...

Страница 76: ...NCF SGF SHF ESF Alarm delay time 2 seconds 2 seconds 2 seconds 2 seconds Zero suppression value F S 100 LEL 2 F S Other 10 F S 10 F S 10 F S 6 F S Alarm type H HH H HH H HH H HH In maintenance mode settings for external output remain unchanged from before the sensor replacement Take particular note of this When C 02 appears confirming with TEST SET will start initialization at the same time the op...

Страница 77: ... check Confirm that the concentration readout is zero 20 9 vol for oxygen If the reading is offset confirm that there is no interference gas in the vicinity and perform zero calibration air calibration Flow check Check the flow display and confirm the absence of any abnormalities Filter check Check to confirm that the dust filters are not dirty or clogged Alarm test Use the alarm test function to ...

Страница 78: ...oduct is correct Make flow adjustments if the flow is offset Filter check Check to confirm the dust filters are neither dirty nor clogged Replace the filter if clearly dirty or clogged Alarm test Perform the alarm test function to inspect the alarm circuits Check the alarm lamps check operations for both ALM1 and ALM2 Check external alarms check buzzer and other external alarm operations Calibrati...

Страница 79: ...n to detection mode after 10 hours Note that this is dangerous because no monitoring occurs during this time 1 In detection mode hold down the TEST SET key for about 3 seconds Switches to alarm test mode 2 Press the key or key to select the sensor for which the alarm test is to be performed Press the key or key repeatedly to cycle through the following settings A1 A2 B1 B2 The concentration for th...

Страница 80: ...her sensors repeat steps 2 to 7 8 Once the operation is complete hold down the SET key for about 3 seconds to switch to detection mode NOTE Contacts will operate during alarm tests if TEST ON is displayed they will not operate if TEST OFF displayed Set whether there is contact operation during alarm tests in Environmental setting 2 in maintenance mode Refer to 7 10 4 Settings for contacts during a...

Страница 81: ...ect the flow value so that the flow becomes 0 6 L min 10 0 54 0 66 2 6 FLOW Flow display flow adjustment Adjust the pump and display the current flow 2 7 TEMP Ambient temperatures Display the current temperature in the installation environment 2 8 Not used 2 9 SETTING1 Environmental setting 1 Make settings for INHIBIT alarm setpoints etc Perform fault tests and maintenance Refer to 7 9 Making chan...

Страница 82: ...82 191 7 3 2 Switching to maintenance mode 1 In detection mode hold down the MODE key for about three seconds Switches to user mode 2 Press the key or key to select 1 8 M MODE then press the TEST SET key 3 Hold down the TEST SET key for about three seconds ...

Страница 83: ...10 hours if left in maintenance mode Exception Due to the possibility that replacement tasks are underway the device will not revert to detection mode if left in maintenance mode while setting environmental setting 1 is underway 2 9 SETTING1 SET 3 MAINTE This is dangerous because no monitoring occurs during this time Keep this in mind NOTE If password setting is ON a password must be entered to sw...

Страница 84: ...cycle through the following settings A1 A2 B1 B2 Select all 4 Connect the gas sampling bag for the gas introduction test and the gas sampling bag for exhaust gas to the product then introduce the gas For more information on connecting the gas sampling bag for the gas introduction test refer to 7 5 3 Connecting the calibration gas 5 Confirm that the concentration is displayed for the selected senso...

Страница 85: ... CAUTION To perform zero calibration introduce the gas for zero calibration then wait for the reading to stabilize Perform zero calibration with the gas for zero calibration If you introduce the wrong gas depending on the sensor indication accuracy and overall response may deteriorate 1 In maintenance mode press the key or key to select 2 1 ZERO then press the TEST SET key 2 Press the key or key t...

Страница 86: ...display in step 2 7 Disconnect the calibration gas from this product When zero calibration is complete disconnect the zero gas sampling bag and the gas sampling bag for exhaust gas Refer to 7 5 4 Disconnecting the calibration gas After performing zero calibration for each sensor return the chamber switching unit to the D detection mode position 8 Press the MODE key The display reverts to the 2 1 Z...

Страница 87: ...low enough time at this step may result in calibration problems impaired indication accuracy in detection mode and slower response 1 In maintenance mode press the key or key to select 2 2 SPAN then press the TEST SET key 2 Press the key or key to select the sensor for which span adjustment is to be performed Press the key or key repeatedly to cycle through the following settings A1 A2 B1 B2 for th...

Страница 88: ...ed gas concentration For oxygen deficiency alarm models adjust so that it becomes 20 9 vol 7 Press the TEST SET key Span adjustment starts 8 Check the span adjustment results If span adjustment is successful OK appears If span adjustment failed NG is displayed The display returns to the display in step 2 9 To record the results of span adjustment press the TEST SET key Press the MODE key to skip r...

Страница 89: ...er to 7 5 4 Disconnecting the calibration gas Return the chamber switching unit to the D detection mode position 11 Press the MODE key The display reverts to the 2 2 SPAN display 12 Hold down the MODE key for about three seconds to switch to detection mode NOTE Press the SHIFT key in step 2 to display the span adjustment margin for the selected sensor as you hold down the key Restart to reset the ...

Страница 90: ...gas sampling bag for exhaust gas to GAS OUT If calibration is to be performed for each sensor Switch the chamber switching unit of this product to the flow passage for the sensor to be calibrated Connect the calibration gas 1 Pull the projection on the top of the main unit towards you to open the front cover The front cover opens to approximately 120 Push further down to open to 180 2 Loosen the b...

Страница 91: ...e sensors in flow passage B B1 B2 turn to CAL B 4 Tighten the black knurled screw while pressing in on the chamber switching unit 5 Connect the gas sampling bag with calibration gas to the nipple of the chamber switching unit 6 Connect the gas sampling bag for exhaust gas to GAS OUT on this product Nipple Nipple For the sensor in flow passage A For the sensor in flow passage B Gas sampling bag for...

Страница 92: ...he chamber switching unit is not at the D detection mode position 1 Disconnect the gas sampling bag with calibration gas and the gas sampling bag for exhaust gas from the product 2 Loosen the black knurled screw in the center of the chamber switching unit 3 Pull the chamber switching unit towards you and turn to the left or right to place the nipple in the D detection mode position 4 Tighten the b...

Страница 93: ...e flow FLOW Display the current flow The following information is displayed Ctrl Automatic flow adjuster function ON OFF setting If the automatic flow adjuster function is ON Auto is displayed if OFF Manual is displayed Output The current output ratio LineA Flow L min in flow passage A LineB Flow L min in flow passage B Total Total flow L min total of flow passage A and flow passage B 1 In mainten...

Страница 94: ...ment 1 In maintenance mode press the key or key to select 2 6 FLOW then press the TEST SET key 2 Press the key or key to increase or decrease the pump output so that the flow for LineA and LineB are each more than 0 28 L min Pump output increases 0 5 each time you press the key Pump output decreases 0 5 each time you press the key 3 Press the TEST SET key The pump output is set The display reverts...

Страница 95: ... 5 DEF FLOW then press the TEST SET key 2 Press the key or key to select Pump output UP or Pump output DOWN then press the TEST SET key Select Pump output UP to increase pump output Select Pump output DOWN to decrease pump output Increase or decrease the output of the pump and adjust so that the connected flowmeter indicates 0 6 L min 10 3 Press the key or key to select Flow Adjust then press the ...

Страница 96: ...e date on which calibration was last performed for each sensor No date is displayed if calibration has not been performed since sensor manufacture 1 In maintenance mode press the key or key to select 2 3 LAST CAL then press the TEST SET key 2 Check the date last calibrated 3 Press the MODE key The display reverts to the 2 3 LAST CAL display Year Month Day Hours Minutes ...

Страница 97: ...or sensor SHF 1 In maintenance mode press the key or key to select 2 4 E VOLT then press the TEST SET key 2 Check the set potential or element voltage 3 Press the MODE key The display reverts to the 2 4 E VOLT display 7 7 3 Checking the temperature of the detector TEMP 1 In maintenance mode press the key or key to select 2 7 TEMP then press the TEST SET key 2 Check the temperature of the detector ...

Страница 98: ...o cycle through the following settings A1 A2 B1 B2 The setting value for the selected sensor blinks 3 Press the TEST SET key to confirm the sensor If the setting for the initial date of sensor use is enabled the screen for step 5 is displayed 4 Press the TEST SET key to enable the setting for the initial date of sensor use 5 Check the initial date of sensor use 6 Press the MODE key The display rev...

Страница 99: ... TEST Fault test SET 5 OPT ACT TERMINAL UNIT SETTING 7 9 1 INHIBIT setting INHIBIT Set ON OFF for INHIBIT for each sensor Set to ON to disable external alarm signal output even when gas concentrations exceed the alarm setpoints in detection mode This setting is primarily used when testing and inspecting the product When all of the sensors are set to ON the fault alarms and cautions on the main uni...

Страница 100: ...he key or key to select OFF or ON then press the TEST SET key The display reverts to the display in step 3 To continue making settings for other sensors repeat steps 3 to 5 6 Press the MODE key after making the settings The display reverts to the SET 0 INHIBIT display 7 Press the MODE key The display reverts to the 2 9 SETTING1 display NOTE For sensors for which the INHIBIT setting has been set to...

Страница 101: ...n press the TEST SET key 2 Press the key or key to select SET 1 ALM P then press the TEST SET key 3 Press the key or key to select the sensor Press the key or key repeatedly to cycle through the following settings A1 A2 B1 B2 The setting value for the selected sensor blinks 4 Press the TEST SET key to confirm the sensor 5 Press the key or key to set the alarm value for the first alarm setpoint the...

Страница 102: ...tpoint then press the TEST SET key The display reverts to the display in step 3 To continue making settings for other sensors repeat steps 3 to 6 7 Press the MODE key after making the settings The display reverts to the SET 1 ALM P display 8 Press the MODE key The display reverts to the 2 9 SETTING1 display Second alarm setpoint setting ...

Страница 103: ... select 2 9 SETTING1 then press the TEST SET key 2 Press the key or key to select SET 2 ALM DLY then press the TEST SET key 3 Press the key or key to select the sensor Press the key or key repeatedly to cycle through the following settings A1 A2 B1 B2 The setting value for the selected sensor blinks 4 Press the TEST SET key to confirm the sensor 5 Press the key or key to set the alarm delay time t...

Страница 104: ...ts depending on the setting the fault contact may be activated even when in maintenance mode Note this when performing this operation The fault alarm test cannot be performed on sensors which have INHIBIT set to ON 1 In maintenance mode press the key or key to select 2 9 SETTING1 then press the TEST SET key 2 Press the key or key to select SET 4 F TEST then press the TEST SET key 3 Press the key o...

Страница 105: ...s up yellow 7 Press the key or key to select OFF then press the TEST SET key When the fault alarm is reset the fault lamp FAULT turns off The display reverts to the display in step 3 To continue making settings for other sensors repeat steps 3 to 7 8 Press the MODE key after making the settings The display reverts to the SET 4 F TEST display 9 Press the MODE key The display reverts to the 2 9 SETT...

Страница 106: ...ET key 2 Press the key or key to select SET 5 OPT ACT then press the TEST SET key 3 Press the key or key to select ON or OFF then press the TEST SET key To enable the terminal unit set to ON and to disable it set to OFF The display reverts to the SET 5 OPT ACT display 4 Press the MODE key The display reverts to the 2 9 SETTING1 display NOTE Press the MODE key in step 3 to cancel the settings and r...

Страница 107: ...AL LIMIT Alarm value limiter setting SET 10 FLT PTRN Fault pattern setting SET 11 AT FLOW Flow automatic adjustment setting SET 12 ZERO F Zero following setting SET 13 ZERO 24F 24 hour zero follower setting SET 14 S ASSIST Sensitivity correction setting SET 15 MNT OUT External output in maintenance mode setting SET 16 MA 4 20 External output adjustment SET 17 BK LIGHT Backlight setting SET 18 ETHE...

Страница 108: ...r month date hours minutes for the internal clock 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 1 DAY TIME then press the TEST SET key 3 Press the TEST SET key 4 Press the key or key to set the last two digits of the year then press the TEST SET key ...

Страница 109: ...r clock display then press the TEST SET key 8 Press the key or key to set the minutes then press the TEST SET key The date time is set The display reverts to the SET 1 DAY TIME display 9 Press the MODE key The display reverts to the 2 10 SETTING2 display NOTE Press the MODE key in each of the date time settings to revert to the previous setting Press the MODE key in step 3 to cancel the date time ...

Страница 110: ...key to select SET 2 SUPPRESS then press the TEST SET key 3 Press the key or key to select the sensor Press the key or key repeatedly to cycle through the following settings A1 A2 B1 B2 The setting value for the selected sensor blinks 4 Press the TEST SET key to confirm the sensor 5 Press the key or key to select the zero suppression value then press the TEST SET key The display reverts to the disp...

Страница 111: ...ues exceeding the zero suppression value are shown as is SLOPE type SLOPE Values exceeding the zero suppression value are smoothed for display The default setting is CUT type CUT 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 3 SUP TYPE then press the TEST SET key 3 Press the key or key to select the sensor Press ...

Страница 112: ...SLOPE then press the TEST SET key The display reverts to the display in step 3 To continue making settings for other sensors repeat steps 3 to 5 6 Press the MODE key after making the settings The display reverts to the SET 3 SUP TYPE display 7 Press the MODE key The display reverts to the 2 10 SETTING2 display ...

Страница 113: ... 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 4 TEST RLY then press the TEST SET key 3 Press the key or key to select OFF or ON then press the TEST SET key The display reverts to the SET 4 TEST RLY display 4 Press the MODE key The display reverts to the 2 10 SETTING2 display NOTE Press the MODE key in step 3 to ...

Страница 114: ...the alarm test is maintained 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 5 TEST4 20 then press the TEST SET key 3 Press the key or key to select ON or OFF then press the TEST SET key The display reverts to the SET 5 TEST4 20 display 4 Press the MODE key The display reverts to the 2 10 SETTING2 display NOTE Pres...

Страница 115: ... at an alarm state When using contact a it is closed in normal conditions and open at an alarm state It is also open when supply of power is stopped This behavior is reversed with contact b The default setting is de energized ND for each contact Setting the alarm contacts Set the first alarm contact and the second alarm contact for each sensor 1 In maintenance mode press the key or key to select 2...

Страница 116: ... ND or NE then press the TEST SET key The display reverts to the display in step 3 To continue making settings for other sensors repeat steps 3 to 6 7 Press the MODE key after making the settings The display reverts to the SET 6 RLY PTRN display 8 Press the MODE key The display reverts to the 2 10 SETTING2 display First alarm contact setting Second alarm contact setting ...

Страница 117: ...ST SET key 2 Select SET 6 RLY PTRN then press the TEST SET key 3 Press the key or key to select FLT RLY then press the TEST SET key 4 Press the key or key to select ND or NE then press the TEST SET key The display reverts to the display in step 3 5 Press the MODE key The display reverts to the SET 6 RLY PTRN display 6 Press the MODE key The display reverts to the 2 10 SETTING2 display ...

Страница 118: ...e settings are possible for oxygen deficiency specification sensors For other sensors it will be H HH type 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 7 ALM TYPE then press the TEST SET key 3 Press the key or key to select the sensor Press the key or key repeatedly to cycle through the following settings A1 A2 ...

Страница 119: ... or L H then press the TEST SET key The display reverts to the display in step 3 To continue making settings for other sensors repeat steps 3 to 5 6 Press the MODE key after making the settings The display reverts to the SET 7 ALM TYPE display 7 Press the MODE key The display reverts to the 2 10 SETTING2 display ...

Страница 120: ...es For normal use leave this setting unchanged 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 8 ALM PTRN then press the TEST SET key 3 Press the key or key to select NL or L then press the TEST SET key The display reverts to the SET 8 ALM PTRN display 4 Press the MODE key The display reverts to the 2 10 SETTING2 d...

Страница 121: ... setting unchanged 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 9 AL LIMIT then press the TEST SET key 3 Press the key or key to select ON or OFF then press the TEST SET key The display reverts to the SET 9 AL LIMIT display 4 Press the MODE key The display reverts to the 2 10 SETTING2 display NOTE Press the MODE...

Страница 122: ...al use leave this setting unchanged 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 10 FLT PTRN then press the TEST SET key 3 Press the key or key to select NL or L then press the TEST SET key The display reverts to the SET 10 FLT PTRN display 4 Press the MODE key The display reverts to the 2 10 SETTING2 display NO...

Страница 123: ...nual flow adjustments The default setting is ON 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 11 AT FLOW then press the TEST SET key 3 Press the key or key to select ON or OFF then press the TEST SET key The display reverts to the SET 11 AT FLOW display 4 Press the MODE key The display reverts to the 2 10 SETTING...

Страница 124: ... for new ceramic type and electrochemical type detection principle sensors 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 12 ZERO F then press the TEST SET key 3 Press the key or key to select the sensor Press the key or key repeatedly to cycle through the following settings A1 A2 B1 B2 The setting value for the s...

Страница 125: ... 7 Press the MODE key The display reverts to the 2 10 SETTING2 display 7 10 13 24 hour zero follower settings ZERO 24F Set ON OFF for the 24 hour zero follower function for each sensor Refer to 6 4 2 Zero follower function The default setting is ON NOTE The 24 hour zero follower settings are possible for new ceramic type and electrochemical type detection principle sensors 1 In maintenance mode pr...

Страница 126: ...he selected sensor blinks 4 Press the TEST SET key to confirm the sensor 5 Press the key or key to select ON or OFF then press the TEST SET key The display reverts to the display in step 3 To continue making settings for other sensors repeat steps 3 to 5 6 Press the MODE key after making the settings The display reverts to the SET 13 ZERO 24F display 7 Press the MODE key The display reverts to the...

Страница 127: ...maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 14 S ASSIST then press the TEST SET key 3 Press the key or key to select the sensor Press the key or key repeatedly to cycle through the following settings A1 A2 B1 B2 The setting value for the selected sensor blinks 4 Press the TEST SET key to confirm the sensor 5 Press t...

Страница 128: ... 5 mA 4 20 mA 4 20 Set the external output value to 4 20 mA linked to the display value HOLD HOLD Value from immediately prior to detection mode is held 4 0 mA 4 0 Set the external output value to 4 0 mA The default setting is 2 5 mA 2 5 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 15 MNT OUT then press the TEST...

Страница 129: ...LD or 4 0 then press the TEST SET key The display reverts to the display in step 3 To continue making settings for other sensors repeat steps 3 to 5 6 Press the MODE key after making the settings The display reverts to the SET 15 MNT OUT display 7 Press the MODE key The display reverts to the 2 10 SETTING2 display ...

Страница 130: ...0 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 16 MA 4 20 then press the TEST SET key 3 Press the key or key to select the sensor Press the key or key repeatedly to cycle through the following settings A1 A2 B1 B2 The setting value for the selected sensor blinks 4 Press the TEST SET key to confirm the sensor 5 Press the key or key to adjust the output Confirm that the ...

Страница 131: ...s The display reverts to the SET 16 MA 4 20 display 8 Press the MODE key The display reverts to the 2 10 SETTING2 display 7 10 17 Backlight setting BK LIGHT Set ON SAVE for the LCD backlight The backlight will remain lit if this is set to ON When set to SAVE the backlight will illuminate only in the event of an operation event The default setting is ON 1 In maintenance mode press the key or key to...

Страница 132: ...THERNET Make ETHERNET settings Make the following settings IP Address Set the IP address Subnet Mask Set the subnet mask Default Gateway Set the default gateway DHCP Set DHCP ON OFF The IP address is acquired automatically from the DHCP server if ON is selected IP Address Subnet Mask and Default Gateway settings are not used in this case PLC Mode Set the PLC mode PLC Area Set the PLC area NOTE MAC...

Страница 133: ...to select Subnet Mask then press the TEST SET key 6 Press the key or key to set the subnet mask then press the TEST SET key Repeat step 6 to set each of the numerals for the subnet mask 7 Press the key or key to select Default Gateway then press the TEST SET key 8 Press the key or key to set the default gateway then press the TEST SET key Repeat step 8 to set each of the numerals for the default g...

Страница 134: ... the TEST SET key 13 Press the key or key to select PLC Area then press the TEST SET key 14 Press the key or key to set the PLC area then press the TEST SET key 15 Press the MODE key The display reverts to the SET 18 ETHERNET display 16 Press the MODE key The display reverts to the 2 10 SETTING2 display NOTE Press the MODE key in each of the ETHERNET settings to revert to the previous setting ...

Страница 135: ...n maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 19 PUMP CK then press the TEST SET key 3 Press the key or key to select ON or OFF then press the TEST SET key The display reverts to the SET 19 PUMP CK display 4 Press the MODE key The display reverts to the 2 10 SETTING2 display NOTE Press the MODE key in step 3 to canc...

Страница 136: ...etting is ON 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 20 FLT RLY then press the TEST SET key 3 Press the key or key to select ON or OFF then press the TEST SET key The display reverts to the SET 20 FLT RLY display 4 Press the MODE key The display reverts to the 2 10 SETTING2 display NOTE Press the MODE key i...

Страница 137: ...o 21 5 mA OPT OPT Set in the range between 0 0 mA and 4 0 mA digit 0 1 The default setting is 0 5 mA 0 5 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 21 FLT OUT then press the TEST SET key 3 Press the key or key to select the sensor Press the key or key repeatedly to cycle through the following settings A1 A2 B1...

Страница 138: ... 6 Press the MODE key after making the settings The display reverts to the SET 21 FLT OUT display 7 Press the MODE key The display reverts to the 2 10 SETTING2 display 7 10 22 Caution display setting CAU DISP Set whether to display cautions on the LCD Set ON OFF for the following cautions For more information on each caution refer to 10 Troubleshooting E 8X E 80 E 81 E 82 E 9 E 6 E 94 E 5X E 50 E ...

Страница 139: ...ET key 3 Press the key or key to select the fault code then press the TEST SET key 4 Press the key or key to select ON or OFF then press the TEST SET key The display reverts to the display in step 3 To continue making settings for other fault codes repeat steps 3 to 4 5 Press the MODE key after making the settings The display reverts to the SET 22 CAU DISP display 6 Press the MODE key The display ...

Страница 140: ...ng E 8X E 80 E 81 E 82 E 9 E 6 E 94 E 5X E 50 E 56 E 57 E 58 E 59 E 15 E 83 E 84 E 98 The default settings are as follows EA models ET models All cautions are ON 4 20 mA models E 6 is OFF all others are ON 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 23 CAU OUT then press the TEST SET key 3 Press the key or key ...

Страница 141: ...The display reverts to the 2 10 SETTING2 display 7 10 24 Displayed gas name setting GAS NAME Set the gas name displayed on the LCD for each sensor Gas names can be up to eight characters in length 1 In maintenance mode press the key or key to select 2 10 SETTING2 then press the TEST SET key 2 Press the key or key to select SET 24 GAS NAME then press the TEST SET key 3 Press the key or key to selec...

Страница 142: ...he space character Press the SHIFT key to switch between upper and lower case 7 Repeat steps 5 and 6 Move the cursor to the end of line after making the settings then press the TEST SET key The display reverts to the display in step 3 The display will also return to the display in step 3 after you move the cursor to the beginning of the line and press the MODE key To continue to set the gas names ...

Страница 143: ...ETTING2 then press the TEST SET key 2 Press the key or key to select SET 25 CONTRAST then press the TEST SET key 3 Press the key or key to adjust contrast then press the TEST SET key The display reverts to the SET 25 CONTRAST display 4 Press the MODE key The display reverts to the 2 10 SETTING2 display NOTE Press the MODE key in step 3 to cancel the settings and return to the SET 25 CONTRAST displ...

Страница 144: ...are consumables Replace them when needed based on operating conditions 8 1 1 Replacing sensors If the main unit is running stop the pump and fan before replacing the sensors 1 In maintenance mode press the key or key to select 2 9 SETTING1 then press the TEST SET key 2 Press the key or key to select SET 3 MAINTE then press the TEST SET key The pump and fan stop ...

Страница 145: ... then press the TEST SET key Multiple sensors can be selected Pressing the key with the B2 sensor selected will initiate suction of all gases Do not press the key while the B2 sensor is selected until you have returned the chamber unit to its original position The following information is displayed depending on the status of the selected sensor Not any Not connected Dummy Dummy connection C 01 C 0...

Страница 146: ...ing on the top of the sensor while doing this Doing so may damage the sensor The LED lights up green to indicate the sensor is attached In the screen for step 6 confirm that there are no problems with the sensor replacement 9 Return the chamber unit to its original position 10 Tighten the four white knurled screws on the chamber unit Tighten the knurled screws so that the chamber unit is secured i...

Страница 147: ...t be replaced correctly in this section 14 Press the MODE key The display reverts to the 2 9 SETTING1 display CAUTION To attach the sensor to the main unit match the face of the connector on the main unit and the connector on the sensor then push in firmly to secure into place Improper attachment may cause the sensor to fall out and damage the connector Perform calibration zero calibration span ad...

Страница 148: ...rns to the SET 3 MAINTE display The pump and fan will restart Problem with sensor combination or incompatible sensor It is not possible to return to detection mode Confirm the sensor combination sequence and contact our sales department NOTE If the screen indicates a problem with the sensor combination press the SHIFT key to determine if you can fix the problem by swapping the sensors within the s...

Страница 149: ...t 2 9 SETTING1 then press the TEST SET key 2 Press the key or key to select SET 3 MAINTE then press the TEST SET key The pump and fan stop 3 Remove the dust filter fitted to the GAS IN side of the main unit The dust filter varies depending on the operating environment 4 Fit a new dust filter to the GAS IN side of the main unit 5 Once replacement is complete press the MODE key The display returns t...

Страница 150: ...s 2 4 years 1 8 2 2 Pump unit replacement If the main unit is running stop the pump and fan before replacing the pump unit NOTE Before fitting the pump unit confirm that the pump unit connections flow passages are free of dirt or other foreign matter The grease applied to the connecting parts attracts dirt 1 In maintenance mode press the key or key to select 2 9 SETTING1 then press the TEST SET ke...

Страница 151: ... projections on the pump unit with the grooves on the main unit then push in Press the center of the pump unit pushing it so that the pump unit is secured properly 6 Close the front cover on the main unit Close the front cover firmly so that it clicks back into place 7 Once replacement is complete press the MODE key The display returns to the SET 3 MAINTE display The pump and fan will restart 8 Pr...

Страница 152: ...s the TEST SET key 2 Press the key or key to select SET 3 MAINTE then press the TEST SET key The pump and fan stop 3 Pull the projection on the top of the main unit towards you to open the front cover The front cover opens to approximately 120 Push further to open to 180 4 Loosen the four white knurled screws on the chamber unit 5 Grasp the projections on the left and right of the chamber unit Pul...

Страница 153: ...d cable B to the two connectors on the new flow sensor unit Connect cable A to the A side on the flow sensor unit and connect cable B to the B side You can confirm the A side and B side of the flow sensor unit with the printed guide on top 10 Match the flow sensor unit to the shape of the main unit and push into place Fit to the main unit while taking care not to pinch the flow sensor unit cable 1...

Страница 154: ...at the chamber unit is secured in place Gas leaks may result if the knurled screws are not tightened properly 14 Close the front cover on the main unit Close the front cover firmly so that it clicks back into place 15 Once replacement is complete press the MODE key The display returns to the SET 3 MAINTE display The pump and fan will restart 16 Press the MODE key The display reverts to the 2 9 SET...

Страница 155: ... the key or key to select SET 3 MAINTE then press the TEST SET key The pump and fan stop 3 Pull the projection on the top of the main unit towards you to open the front cover The front cover opens to approximately 120 Push further to open to 180 4 Disconnect the fan unit connector on the left side of the front of the main unit 5 Pull the fan unit cable out of the groove in the main unit 6 Grasp by...

Страница 156: ...n unit does not project from the groove in the main unit when viewed from the front Failure to insert the cable properly may result in disconnection 9 Connect the fan unit connector to the main unit 10 Close the front cover on the main unit Close the front cover firmly so that it clicks back into place 11 Once replacement is complete press the MODE key The display returns to the SET 1 MAINTE displ...

Страница 157: ...he product if it becomes excessively dirty Always turn the power OFF before cleaning the product Wipe off any dirt with a dry cloth Using water or organic solvents to clean the product may result in malfunctions Use dry air to clean pipes Pipes with extremely dirty interiors can affect gas detection ...

Страница 158: ...ust be stored in the specified packing case Store in a location not exposed to direct sunlight Store in an environment free of corrosive gas vibration and dust Avoid condensation and moisture Store in an environment free of gases that may result in catalyst poisoning e g silicone chlorine sulfur gases SHF 0 5 10 40 0 90 80 120 NCF 0 5 10 40 0 90 80 120 ESF 0 5 10 40 0 90 80 120 The sensor must be ...

Страница 159: ...monitor as industrial waste incombustible in accordance with local regulations The product contains internal batteries In the EU note that disposal of products with built in batteries must comply with specific procedures Contact your nearest sales office for advice In the EU the built in battery must be disposed of appropriately if an electrochemical type sensor ESF incorporated into this product ...

Страница 160: ...neous interruption Confirm the voltage for the 24 V DC power source For PoE connections check the function and specifications of the PoE power hub Review your setup and assess the need for an uninterruptible power source power line filter or insulating transformers Incorrect installation of main unit When using 24 V DC to power the product check to confirm that the terminal unit is connected corre...

Страница 161: ... with bare hands if you see signs of external damage Handle carefully E 12 CIRCUIT E 13 S VOLT E 14 S E VOLT E 15 S K VOLT E 16 S E CUR E 20 S ROM E 21 S RAM E 22 S MEMORY E 23 S EXT AD E 27 S S VOLT E 28 S TEMP E 29 S B VOLT Warnings Display E 80 The sensor has reached the end of its service life or is degraded or the output device has reached the end of its service life Replace with a new sensor...

Страница 162: ...bent or blocked inlet or outlet tube Fix the problem E 56 PATH Improper installation of the chamber unit knurled screws not tightened properly Fasten the chamber unit properly The chamber switching unit is not at the proper position Return the chamber switching unit to the D detection mode position Blockage in one of the flow passages Fix the problem E 58 F SENS 1 An abnormality was discovered dur...

Страница 163: ... setting CAU OUT The same measures are required if no LAN cable is used with an EA model The communication between the main unit and the communication board is faulty Contact our sales department For 4 20 mA models set the caution display and caution output E 6 to OFF Refer to 7 10 22 Caution display setting CAU DISP and 7 10 23 Caution output setting CAU OUT Effects of external noise Turn the pow...

Страница 164: ... of a gas leak or other abnormalities at the detection point Presence of interference gases It is difficult to completely eliminate the effects of interference gases such as solvents Contact Riken Keiki for information on countermeasures such as interference gas removal filters Effects of noise Turn the power OFF and restart If similar symptoms recur frequently take appropriate measures to address...

Страница 165: ...ntact 1a or 1b Always de energized energized in alarm state or always energized de energized in alarm state Fault alarm self diagnosis System abnormality sensor abnormality flow abnormality temperature increase abnormality Fault alarm indications FAULT LED lights up yellow information displayed Fault alarm pattern Auto reset or self latching Fault alarm contacts Overall fault contacts no voltage c...

Страница 166: ... External dimensions Approx 150 W 190 H 146 mm D excluding projections Weight Approximately 1 9 kg Exterior color Main unit Black Front door White Exterior drawings Terminal plate 1 2 3 4 5 6 7 8 9 10 24 V DC A1 4 20 mA A2 4 20 mA B1 4 20 mA B2 4 20 mA 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 A1 ALM1 A1 ALM2 A2 ALM1 A2 ALM2 B1 ALM1 B1 ALM2 B2 ALM1 B2 ALM2 FAULT M4 mounting hole Displa...

Страница 167: ...tem abnormality sensor abnormality flow abnormality fan disconnection abnormality temperature increase abnormality Fault alarm indications FAULT LED lights up yellow information displayed Fault alarm pattern Auto reset or self latching Fault alarm contacts Overall fault contacts no voltage contact 1a or 1b Always de energized energized in alarm state or always energized de energized in alarm state...

Страница 168: ...wings Terminal plate 1 2 3 4 5 6 7 8 9 10 24 V DC A1 4 20 mA A2 4 20 mA B1 4 20 mA B2 4 20 mA 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 A1 ALM1 A1 ALM2 A2 ALM1 A2 ALM2 B1 ALM1 B1 ALM2 B2 ALM1 B2 ALM2 FAULT M4 mounting hole Display Operating switches M4 mounting hole ...

Страница 169: ...as alarm contact Fault alarm self diagnosis System abnormality sensor abnormality flow abnormality communication abnormality temperature increase abnormality Fault alarm indications FAULT LED lights up yellow information displayed Fault alarm pattern Auto reset or self latching Fault alarm contacts Contact capacity Contact cable Transmission method Digital transmission Ethernet 10BASE T 100BASE TX...

Страница 170: ...ifications 11 1 GD 84D EX Specifications 170 191 Exterior drawings An RJ 45 Ethernet connector is located on the underside of the main unit M4 mounting hole Display Operating switches M4 screw supplied with main unit ...

Страница 171: ...ed Gas alarm pattern Auto reset or self latching Gas alarm contact Fault alarm self diagnosis System abnormality sensor abnormality flow abnormality communication abnormality fan disconnection abnormality temperature increase abnormality Fault alarm indications FAULT LED lights up yellow information displayed Fault alarm pattern Auto reset or self latching Fault alarm contacts Contact capacity Con...

Страница 172: ...ifications 11 1 GD 84D EX Specifications 172 191 Exterior drawings An RJ 45 Ethernet connector is located on the underside of the main unit M4 mounting hole Display Operating switches M4 screw supplied with main unit ...

Страница 173: ...D lights up yellow information displayed Fault alarm pattern Auto reset or self latching Fault alarm contacts Overall fault contacts no voltage contact 1a or 1b Always de energized energized in alarm state or always energized de energized in alarm state Contact capacity 24 V DC 0 5 A resistance load Contact cable CVV or equivalent cable 1 25 mm2 maximum 18 core Transmission method Digital transmis...

Страница 174: ... underside of the main unit Terminal plate 1 2 3 4 5 6 7 8 9 10 24 V DC A1 4 20 mA A2 4 20 mA B1 4 20 mA B2 4 20 mA 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 A1 ALM1 A1 ALM2 A2 ALM1 A2 ALM2 B1 ALM1 B1 ALM2 B2 ALM1 B2 ALM2 FAULT With EA models do not use 24 V DC terminals 1 and 2 when using the PoE connection Connection prohibited M4 mounting hole Display Operating switches M4 mounting ...

Страница 175: ...n abnormality temperature increase abnormality Fault alarm indications FAULT LED lights up yellow information displayed Fault alarm pattern Auto reset or self latching Fault alarm contacts Overall fault contacts no voltage contact 1a or 1b Always de energized energized in alarm state or always energized de energized in alarm state Contact capacity 24 V DC 0 5 A resistance load Contact cable CVV or...

Страница 176: ... underside of the main unit Terminal plate 1 2 3 4 5 6 7 8 9 10 24 V DC A1 4 20 mA A2 4 20 mA B1 4 20 mA B2 4 20 mA 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 A1 ALM1 A1 ALM2 A2 ALM1 A2 ALM2 B1 ALM1 B1 ALM2 B2 ALM1 B2 ALM2 FAULT With EA models do not use 24 V DC terminals 1 and 2 when using the PoE connection Connection prohibited M4 mounting hole Display Operating switches M4 mounting ...

Страница 177: ...temperature range 10 40 C no sudden changes Operating humidity range 20 90 RH No condensation Specifications differ for certain gases 1 The range of operating temperatures and operating humidity may differ depending on the detection target gas 2 Indicates the precision against the alarm setpoint 3 When gas is provided at 1 6 times the alarm setpoint excluding piping and communication delays 4 This...

Страница 178: ...rget gas When oxygen concentrations fall the readings may also fall Some interference may occur in the presence of highly thermally conductive gases such as CO2 Ar and He in high concentrations as base gases When low vapor pressure gases are detected by aspiration the gas may condense when aspirated from warmer areas and detected in cooler areas or blockages may occur in sintered alloy Keep vapor ...

Страница 179: ...ve gases such as CO2 Ar and He in high concentrations as base gases When low vapor pressure gases are detected by aspiration the gas may condense when aspirated from warmer areas and detected in cooler areas or blockages may occur in sintered alloy Keep vapor pressure in mind when using the product Indication accuracy may degrade in situations in which temperatures fluctuate significantly 40 C or ...

Страница 180: ... or more 2 days or more Less than 1 month 7 days or more 7 days or more 1 month to less than 3 months 14 days or more 14 days or more 3 months or more 1 month or more 1 month or more Definition of combustible gas All sensor models of LEL vol range and ppm range specifications are applicable to the following 12 gases Acetylene isobutane LPG LNG ethane ethylene hydrogen town gases butane propane pro...

Страница 181: ...centrations fall the readings may also fall Some interference may occur in the presence of highly thermally conductive gases such as CO2 Ar and He in high concentrations as base gases When low vapor pressure gases are detected by aspiration the gas may condense when aspirated from warmer areas and detected in cooler areas or blockages may occur in sintered alloy Keep vapor pressure in mind when us...

Страница 182: ... 1 month 7 days or more 7 days or more 1 month to less than 3 months 14 days or more 14 days or more 3 months or more 1 month or more 1 month or more Note that the warmup time for SHF 8603 differs from that for other SHF sensor Definition of combustible gas All sensor models of LEL vol range and ppm range specifications are applicable to the following 12 gases Acetylene isobutane LPG LNG ethane et...

Страница 183: ...iostat circuit is used to maintain constant potential between the working electrode and reference electrode The detection target gas passes through the gas permeable membrane and undergoes electrolysis reaction on reaching the working electrode A side reaction also occurs at the counter electrode so that the same amount of electric current flows through it as that produced at the working electrode...

Страница 184: ...roduct is a safety device It is not a control device Use the contact outputs on the product with external alarm lamps or buzzers Use the analog signal output for indicators or external recorders Riken Keiki rejects liability for malfunctions in cases in which this signal is used for any other controls 4 The contact point of the gas detection sensor consists of a porous polymer membrane Solvents ma...

Страница 185: ...ses sintered on top of a precious metal coil This compensates for atmospheric effects Principles When combustible gas burns on the surface of the detecting element heated to between 300 C and 450 C by the precious metal coil this increases the temperature of the element The resistance of the precious metal wire coil forming the element also varies in accordance with this temperature variation The ...

Страница 186: ...ol device Use the alarm contact outputs on the product with external alarm lamps or buzzers Use the analog signal output for indicators or external recorders Riken Keiki rejects liability for malfunctions in cases in which this signal is used for any other controls 4 The gas sensing parts in the gas detecting sensors of this product are metal oxide porous sintered alloys impregnated with oxidation...

Страница 187: ...of the metal oxide semiconductor heated to between 350 C and 400 C by the heater coil The semiconductor maintains a constant resistance If a methane or other such gas comes into contact with this surface and becomes chemically adsorbed the oxygen is oxidized and released by the adsorbed O2 ions The following chemical reaction occurs here at the sensor surface CH4 4O2 CO2 2H2O 8e In other words as ...

Страница 188: ...ce It is not a control device Use the alarm contact outputs on the product with external alarm lamps or buzzers Use the analog signal output for indicators or external recorders Riken Keiki rejects liability for malfunctions in cases in which this signal is used for any other controls 4 The gas sensing parts in the gas detecting sensors of this product are metal oxide porous sintered alloys The su...

Страница 189: ... detecting element is the combined resistance of the semiconductor resistance RS and the platinum coil resistance RH The detecting element is heated to between 300 C and 400 C by the platinum coil and maintains constant resistance If methane or another such gas comes into contact with the detecting element oxygen adsorbed to the surface of the metal oxide semiconductor is released increasing the n...

Страница 190: ...afety device It is not a control device Use the alarm contact outputs on the product with external alarm lamps or buzzers Use the analog signal output for indicators or external recorders Riken Keiki rejects liability for malfunctions in cases in which this signal is used for any other controls 4 The gas sensing parts in the gas detecting sensors of this product are metal oxide porous sintered all...

Страница 191: ...s with actual values using calibration gas Maintenance mode Mode for performing device maintenance During product maintenance the alarm contacts are cut off and the external output signal outputs a signal indicating the product is in maintenance mode This enables the device to be isolated for maintenance Initialization During the few seconds after turning on the power the readings are unstable Thi...

Страница 192: ...Revision History Issue Revision details Issue date 0 First issue PT2 3041 12 20 2022 ...

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