Riken Keiki SD-1EC Operating Manual Download

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PT2E-17610

Smart Transmitter/Gas Detector Head

SD-1EC

Operating Manual

(PT2E-176)

(PT2-176)

Summary of Contents for SD-1EC

Page 1: ...PT2E 17610 Smart Transmitter Gas Detector Head SD 1EC Operating Manual PT2E 176 PT2 176 ...

Page 2: ...hreshold limit value may trigger a false alarm 3 This is a safety unit not a control unit The alarm contact output of the detector must be used for an external alarm lamp buzzer while the analog signal output must be used for an indicator or external recorder 4 Because the contact point of the gas detector sensor is made of porous polymeric membrane the water repellency of the membrane is deterior...

Page 3: ...rocedure 17 4 6 How to wire 19 5 How to Operate 23 5 1 Preparation for start up 23 5 2 Basic operating procedures 23 5 3 How to start the detector 24 5 5 Maintenance mode User 26 5 6 How to exit 28 6 Operations and Functions 29 6 1 Gas alarm activation 29 6 2 Fault alarm activation 30 6 3 External output operation 31 6 4 Other functions 32 7 Maintenance 33 7 1 Maintenance intervals and items 33 7 ...

Page 4: ...es and performs the alarm activation when the gas concentration is over the setting value The detector is a safety unit not an analyzer or densitometer which performs quantitative qualitative analysis measurement for gases Please fully understand the features of the detector before using it so that it can be used properly The detector detects abnormalities in the air caused by presence of gases or...

Page 5: ...s some specification depends on standard and explosion proof certificate Please confirm the detector specification before using Please refer Declaration of Conformity that is at the end of this manual if you have CE marking type You can confirm instrument specification to see name plate as follows ATEX IECEx CE marking type name plate TIIS type name plate TIIS certificate CE marking Ex marking ...

Page 6: ...ated due to damages The explosion protection conditions for the detector is low 2J possibility of mechanical damage Ambient temperature ATEX IECEx Specifications 20 to 60 C TIIS Specifications 20 to 53 C The ambient temperature on explosion proof certification is described above and it indicates the temperature range which can maintain the explosion proof performance and not the product performanc...

Page 7: ...ecurely connect it to a protective grounding circuit Zero adjustment in the atmosphere When the zero adjustment is performed in the atmosphere check the atmosphere for freshness before beginning the adjustment If interference gases exist the adjustment cannot be performed properly thus leading to dangers when the gas leaks Response to gas alarm Issuance of a gas alarm indicates that there are extr...

Page 8: ...t disassemble modify the detector or change the settings if not necessary Disassembling modifying the detector will invalidate the warranty of the performance Changing the settings without understanding the specifications may cause alarm malfunctions Please use the detector properly in accordance with the operating manual Avoid applying organic solvents and others to the window plate for a long ti...

Page 9: ... 13ATEX0035 X Group II Category 2G Type of Protection and Marking code Ex db llC T6 Equipment Protection Level Gb Ambient Temperature 20 C to 60 C Electrical Data Supply voltage 24 V DC 10 45mA Output signal 4 to 20 mA DC24V 22mA Relay Contact output DC30V or AC250V 0 5A Applicable Standard IEC 60079 0 2017 IEC 60079 1 2014 06 EN IEC 60079 0 2018 EN 60079 1 2014 Manual Number PT2E 176 The ambient ...

Page 10: ...ontact output Contact capacity AC250V 0 5A Load resistance DC30V 0 5A Load resistance Applicable Standard JNIOSH TR NO 43 2008 The ambient temperature on explosion proof certification is described above and it indicates the temperature range which can maintain the explosion proof performance and not the product performance see 10 1 List of specifications for details Installation GND Sig RLY GND Si...

Page 11: ...ts 3 1 Gas detector and standard accessories 9 3 Product Components 3 1 Gas detector and standard accessories Main Unit including a cable gland or an adapter ATEX IECEx Specifications TIIS Specifications Adapter NPT 1 2 ...

Page 12: ...e a value DOWN 5 Power lamp Power lamp Detection mode It lights up in green Maintenance mode It blinks in green 6 Alarm lamp Alarm lamp It lights up in red when the alarm setpoint value is reached 7 Fault lamp Fault lamp It lights up in yellow when an abnormality is detected in the detector 8 Concentration value display Display the gas concentration and so on CAUTION Use the supplied dedicated con...

Page 13: ...m contact ALARM or 2 Fault contact FAULT or 3 Select either gas alarm or contact ALARM FAULT Contact activation De energized De energized at a normal state ON ALARM Closed contact at an alarm state Alarm contact controller Display POWER ALARM FAULT Seven segment LED four digit Magnetic operation part MENU ESC SET Transmitter 4 20 mA transmission ...

Page 14: ...IS Specifications 10 to 40 C Do not install the detector in a place exposed to direct sunlight or sudden changes in the temperature When selecting installation points avoid a place where it is exposed to direct sunlight or radiant heat infrared rays emitted from a high temperature object and where the temperature changes suddenly Condensation may be formed inside the detector or the detector canno...

Page 15: ...n install a UPS outside the detector Others Do not use it with a power supply of large power load or high frequency noise Example of actions Use a line filter to avoid the noise source if necessary Introducing protective measures against lightning If cables are installed outside the factory plant or if internal cables are installed in the same duct as the cables coming from outside the factory pla...

Page 16: ...ith an external relay at a lower voltage of 100 VAC or below contact amplification At the same time the surge absorbing part SK1 suitable for the specifications must be attached to the external relay In addition the surge absorbing part SK2 must be attached to the loaded side of the external relay if necessary It may be recommended that the surge absorbing part should be attached to the contact fo...

Page 17: ...the detector cannot be performed or where handling the detector involves dangers Regular maintenance of the detector must be performed Do not install the detector in a place where the machinery must be stopped when maintenance is performed in its inside where parts of the machinery must be removed to perform maintenance or where the detector cannot be removed because tubes or racks prevent access ...

Page 18: ...ed by RIKEN KEIKI BARRIERTA JFE 552 manufactured by NOK KLUBER If you can not prepare the specified grease use one that meets the following requirements 1 Material does not harden due to deterioration 2 Volatile solvent free 3 Material does not cause corrosion at the surface 4 Silicon free 5 Validation of suitability depends on the specifications of grease manufacturer Detector head installation d...

Page 19: ...rawn into detector inside For wire methods see 4 6 How to wire When installing the cable gland make sure that there is no dust in cable gland mounting part hexagon socket set screw grounding screw and the cable gland Then apply grease specified by RIKEN KEIKI Tightens Cable gland and then tightens hexagon socket set screw M4 6 and fix cable gland Hexagon socket set screw M4 6 Grounding screw cable...

Page 20: ...he surface 4 Silicon free 5 Validation of suitability depends on the specifications of grease manufacturer WARNING Do not replace parts at your sole discretion but contact RIKEN KEIKI if the transparent window has a crack or the explosion proof joint surface is abnormal or the clamping screw or bolt is changed lost etc CAUTION Tighten 40 Nꞏm or larger torque value to ensure the tightening cable gl...

Page 21: ... checked because they somewhat vary between manufacturers Number of core CVV 1 25 mm2 CVV 2 mm2 CVVS 1 25 mm2 CVVS 2 mm2 2 ø9 5 ø10 5 ø10 0 ø11 0 3 ø10 0 ø11 0 ø10 5 ø11 5 4 ø10 5 ø11 5 ø11 0 ø12 0 5 ø11 5 ø12 5 ø12 0 ø13 0 6 ø12 5 ø13 5 ø13 0 ø14 0 CAUTION Be careful not to damage the internal electronic circuit when wiring In addition be careful not to apply stresses on the detector when overwei...

Page 22: ...andling lever accessory or driver edge 3 5 x 0 5 mm When 4 20mA output is not used This detector has a self diagnosis function which shows E 9 on LED display when 4 20mA is not properly outputted If 4 20mA output is not necessary connect the following fixed resistance lead type to the terminal 2 and 3 Sig and common Resistance value 100 300Ω Rated power 0 25W or more Insert a cable and the above r...

Page 23: ...ectric conduction or heating Exposing the wire due to a longer bare wire length may cause defective insulation or a short circuit Be careful not to break up the wire If the wire is broken up when inserted to the terminal this may cause defective insulation or heating CAUTION A bar terminal of the specified model must be used Using other bar terminals invalidates the warranty of the performance 8 9...

Page 24: ... detector and safety it must be connected to a grounding terminal Do not connect the grounding wire to a gas pipe The grounding must be made as D type grounding below 100 Ω of grounding resistance For the grounding wire use cable lugs to safely connect it to a grounding terminal without looseness or twist Use ring terminals to connect the grounding terminal with the ground and use the grounding wi...

Page 25: ...he power supply voltage is compliant with the specifications Because the external contact may be activated during the adjustment take measures to prevent an activated contact from having influences on external device 5 2 Basic operating procedures Normally the detection mode is used for normal operations The detection mode is activated after the power is turned on The detector is restarted after r...

Page 26: ...activation Power on Initial clear approximately 25 seconds Detection mode WARNING When the detector enters other mode from the detection mode while an alarm is activated the alarm is reset CAUTION Do not turn off the detector during the initial clear The detector is reading the internal memory during the initial clear If the detector is installed newly or the new sensor is replaced the sensor must...

Page 27: ...n 2 3 Initialize zero span values Environmental Setting 2 4 Used for various environmental settings 2 4 0 Sensor Power Supply ON OFF 2 4 1 INHIBIT Setting 2 4 2 Alarm Setpoint Setting 2 4 3 Alarm Delay Time Setting 2 4 4 Alarm Pattern Setting 2 4 5 Zero Suppression Type Setting 2 4 6 Zero Suppression Value Setting 2 4 7 Alarm Contact Specification Setting 2 4 8 Energized De energized Contact Setti...

Page 28: ...eturns to the detection mode in ten hours Detection Mode Press the MENU ESC key for three seconds User Mode 1 0 ROM SUM Display Display the program version and others This is not typically used by the user 1 1 Zero Adjustment Perform the zero adjustment 1 2 Various Setting Display Display various setting values 1 3 Mode Switching Switch to the maintenance mode Zero Adjustment P27 Setting Display P...

Page 29: ... is displayed In this case the zero adjustment has not been completed 1 1 Press SET key Current Concentration Value Display Press the SET key to perform the zero adjustment Under Zero Adjustment CAL is displayed Wait for a while until the adjustment is completed Zero Adjustment Completed It automatically returns to 1 1 after PASS is displayed If the zero adjustment failed it automatically returns ...

Page 30: ...AU The contact is activated due to the fault alarm A or F The contact is activated due to the gas alarm or the fault alarm WARNING When the detector is turned off an alarm may be triggered on the upper central system Before turning off the detector INHIBIT point skip on the upper central system must be activated Decide whether the power can be turned off by checking the operation of the devices co...

Page 31: ...oncentration Display In case of over the detection range Over Scale is displayed on the LED Power Indicator Lamp POWER Green During operation this lights up continuously Alarm Indicator Lamp ALM Red This lights up when the alarm setpoint value is reached or exceeded Contact Activation The contact is activated when the gas concentration reaches or exceeds the alarm setpoint value only when the alar...

Page 32: ...ed Access the gas leak point equipped with a protective gear to avoid dangers caused by possibly remaining gases and check whether gases remain or not by using a portable gas detector Check that the point is free from dangers and take actions to fix the gas leak 6 2 Fault alarm activation A fault alarm is triggered when the detector detects abnormalities After a fault alarm is triggered the fault ...

Page 33: ... 9 2 5 mA setting 2 5 mA 4 mA HOLD 4 20 mA setting 4 mA 8 Alarm Test Output ON setting 4 20 mA concentration output Output OFF setting 4 mA 9 Maintenance Mode 2 5 mA setting 2 5 mA 4 mA setting 4 mA HOLD setting The previous value retained 4 20 mA setting 4 20 mA concentration output Example of Gas Concentration and External Output 4 20 mA specification Maintenance output 2 5 mA setting CAUTION Th...

Page 34: ...gement rules of gas alarm This function is used to hide suppress the fluctuation of the reading under the setting value indicating zero NOTE The suppression function is factory set The standard setting value is 6 F S In the maintenance mode this function is disabled and the fluctuation of the reading under the setting value is displayed Example Suppression Disabled A fluctuation around zero is dis...

Page 35: ...ck that the concentration display value is zero When the reading is incorrect perform the zero adjustment after ensuring that no interference gases exist around it Alarm Test Inspect the alarm circuit by using the alarm test function Span Adjustment Perform the span adjustment by using the calibration gas Gas Alarm Check Check the gas alarm by using the calibration gas About Maintenance Services W...

Page 36: ...of the external alarm such as a buzzer Span Adjustment Performs the span adjustment by using the calibration gas Gas Alarm Check Checks the gas alarm by using the calibration gas Checks the alarm Checks triggering of alarm when the alarm setpoint is reached Checks the delay time Checks time to delay until the alarm is triggered Checks the alarm lamps Checks ALM activation Checks the external alarm...

Page 37: ... 6 Zero Suppression Value Setting 2 4 7 Alarm Contact Specification Setting 2 4 8 Energized De energized Contact Setting 2 4 9 Zero Follower Selection 2 4 A Maintenance Mode External Output Setting 2 4 B External Output Adjustment 2 4 C Alarm Test External Output Setting 2 4 E Password Setting 2 4 F Sensor Fault Alarm Pattern Setting Display 2 5 Display various electrical settings This is not typi...

Page 38: ... Setting Set various operations and functions 2 4 0 and 2 4 3 to 2 4 F are factory set They are not typically used by the user 2 5 Various Electrical Settings Display Display various electrical settings This is not used by the user 2 6 Enter the factory mode This is not used by the user 2 7 Return to the user mode Zero Adjustment P42 Span Adjustment P44 Environmental Setting P41 rET is displayed P...

Page 39: ...o the related sections so that they can prepare for false abnormalities external output signals and alarm contact After the test is completed never fail to press MENU ESC key to return to the detection mode If the detector remains in the alarm test mode it automatically returns to the detection mode in ten hours In the alarm test mode the gas concentration equal to the reading is output even in th...

Page 40: ...ation output can be activated by a gas test even in the maintenance mode depending on setting 2 0 1 Press SET key Alarm Test ON OFF The contact setting is Alarm or Alarm or Fault Select either ON OFF and then press the SET key Perform the gas alarm test by increasing or decreasing the reading with the or key Press the MENU ESC key to cancel the test and to go back to the original state To 2 0 1 WA...

Page 41: ...to go back to the original state 2 0 3 Press SET key LED Test ON OFF Select either ON OFF Switch ON and press the SET key to turn on the LEDs POWER ALM FAULT and to display the gas concentration of 8 8 8 8 Return to OFF and press the SET key to cancel the test Pressing the MENU ESC key also enables to cancel the test and to go back to the original state WARNING Be careful to perform the test becau...

Page 42: ...d for the RAM fault and F RO is displayed for the ROM fault For both the RAM fault and ROM fault F RA and F RO are displayed alternately 2 0 4 Press SET key When StA is displayed press the SET key again When CAL is displayed the memory diagnosis is performed When memory is correct as a result of the diagnosis PASS is displayed Press the SET key to go back to the original state To 2 0 4 ...

Page 43: ... the SET key to confirm the selection When ON is selected in the detection mode InHI and 0 0 gas concentration value are displayed on the LED alternately As a result an alarm is not triggered to external device 2 4 2 Alarm Setpoint Setting Set the alarm setpoint 2 4 3 to 2 4 F They are factory set and not typically used by the user Alarm Setpoint Setting P41 To 2 4 0 2 4 2 Press SET key Alarm Setp...

Page 44: ...orm the zero adjustment NOTE Before starting the zero adjustment provide the detector with the zero adjustment gas and wait until the indicator is stabilized SD 1EC Pump OUT Flow meter Needle valve Gas sampling bag IN Calibration adapter Exhaust air P WARNING When the zero adjustment is performed in the atmosphere check the atmosphere for freshness before beginning the adjustment If interference g...

Page 45: ...adjustment has not been completed 2 1 Press SET key Current Concentration Value Display Press the SET key to perform the zero adjustment Under Zero Adjustment CAL is displayed Wait for a while until the adjustment is completed Zero Adjustment Completed It automatically returns to 2 1 after PASS is displayed If the zero adjustment failed it automatically returns to 2 1 after FAIL is displayed Retur...

Page 46: ... mistake or after recalibration the gas sensor life might have expired After turning off the power supply please contact RIKEN KEIKI CAUTION Before starting the span adjustment provide the detector with the calibration gas and wait until the reading is stabilized 2 2 Press SET key Return to 2 2 Gas Introduction Introduce a gas and then press the SET key when the reading is stabilized In case of le...

Page 47: ...n socket set screw 2 places firmly NOTE Rotate to fit the sensor neatly into detector 6 After sensor replacement turn on the power and warm up then do the zero point adjustment and span adjustment air adjustment by 7 4 Gas calibration method NOTE The gas calibration using the standard gas is required after the sensor is replaced Please request it to our overseas sales department or local represent...

Page 48: ...ing 6 months 3 8 years 1 3 Charcoal filter CF 80 CO only 6 months 1 year 1 The operation must be checked after replacement by a qualified service engineer For the stable operation of the unit and safety ask a qualified service engineer to take care of replacement of the parts that operation must be checked Request RIKEN KEIKI for operation check NOTE The above replacement intervals are recommendat...

Page 49: ...ocedures to relocate the detector or use it again When the detector is relocated select a new place in accordance with 4 2 Precautions for installation sites and 4 4 How to install For information on wiring see 4 6 How to wire The unpowered time must be minimized when the detector is relocated 8 3 Disposal of products When the detector is disposed of it must be treated properly as an industrial wa...

Page 50: ...urn off and restart the indicator alarm unit If such a symptom is observed frequently take appropriate measures to eliminate the noise Sensor abnormalities E 1 The sensor is not connected or improperly connected Check if the cable is securely fastened to the terminal plate Zero drift caused by environmental changes or aging deterioration is out of the range of zero follower Perform zero adjustment...

Page 51: ...ce of interference gas Disturbances by interference gases such as solvents cannot be eliminated completely Disturbance by noise Turn off and restart the detector If such a symptom is observed frequently take appropriate measures to eliminate the noise Sudden change in the environment When the environment temperature etc changes suddenly the detector cannot adjust to it and is affected by it In som...

Page 52: ...LT lamp lighting yellow content display Trouble alarm action Auto recover Alarm contact No voltage contact 1a Non exciting at normal exciting at alarm or exciting at normal non exciting at alarm Contact capacity 250VAC 0 5A 30VDC 0 5A resistive load Transmission scheme Three wire analog transmission in common with power supply power supply signal common Specification of transmission 4 20mA DC line...

Page 53: ...10 Product Specifications 10 1 List of specifications 51 Outline Drawings Adapter A NPT 1 2 ...

Page 54: ...ion FAULT lamp lighting yellow content display Trouble alarm action Auto recover Alarm contact No voltage contact 1a Non exciting at normal exciting at alarm or exciting at normal non exciting at alarm Contact capacity 250VAC 0 5A 30VDC 0 5A resistive load Transmission scheme Three wire analog transmission in common with power supply power supply signal common Specification of transmission 4 20mA ...

Page 55: ...10 Product Specifications 10 1 List of specifications 53 Outline Drawings Cable gland G3 4 ...

Page 56: ... while maintaining the interface between electrode and electrolyte at a constant potential bias voltage A gas is electrolyzed by an electrolysis cell to which a certain potential bias voltage is applied and the gas is detected from the electrolytic current generated at that time Output WE Working electrode CE Counter electrode WE CE REF Potentiostat circuit ...

Page 57: ...ection range ppm A concentration unit that means part per million of the combustible gas to be detected Calibration Adjusts the readings to the calibration gas concentration value by using the calibration gas Zero suppression A function to cut off the specific drifting that the sensor has Alarm delay time A function which temporarily suspends activation to prevent a false alarm caused by noise fro...

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