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Precision Digital Corporation ProtEX-MAX PD8-6200 Series, Инструкция по эксплуатации

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ProtEX-MAX PD8-6200 Explosion-Proof Analog Input Rate/Totalizer Instruction Manual

 

 

 

 

 

 

18 

 

 

Figure 11: RS-485 Two-Wire Multi-Drop Wiring 

 

Notes: 

1.  Termination resistors are optional and values depend on the cable length and characteristic 

impedance. Consult the cable manufacturer for recommendations. 

2.  Refer to RS-232 to RS-485 Converter documentation for further details. 
3.  Use shielded cable, twisted-pair plus ground. Connect ground shield only at one location. 

 

WARNING

 

Observe all safety regulations. Electrical wiring should be performed 

in accordance with all agency requirements and applicable national, 

state, and local codes to prevent damage to the meter and ensure 

personnel safety. 

When using more than one instrument in a multi-drop or multi-point mode, each meter must be provided 

with its own unique address. See Modbus RTU Serial Communications on page 50. 

Using

 

P

RO

V

U 

Serial Adapters  

 

NOTICE

 

P

RO

V

U

 expansion modules and serial adapters are not included in 

the hazardous area approvals of the ProtEX-MAX. The PDA1232 

and PDA8008 may be used only while the ProtEX-MAX is in a 

safe area, and will disable some features while installed. 

P

RO

V

U 

expansion modules and serial adapters are not recommended for use with the ProtEX-MAX. It is 

recommended that any serial protocol conversion required on the RS-485 communications connection be 

performed using a PDA7485 RS-232 to RS-485 or PDA8485 USB to RS-485 serial converter located in a 

safe area. 
 

 

!

www.

GlobalTestSupply

.com

Find Quality Products Online at:

[email protected]

Содержание ProtEX-MAX PD8-6200 Series

Страница 1: ...n Sleek and Practical Enclosure Display Mountable at 0 90 180 270 Degrees Explosion Proof IP68 NEMA 4X Enclosure Isolated 24 VDC 25 mA Transmitter Power Supply Input Power Options Include 85 265 VAC or 12 24 VDC SafeTouch Through Glass Button Programming Flanges for Wall or Pipe Mounting Superluminous Sunlight Readable Display Free USB Programming Software Cable 4 Relays Isolated 4 20 mA Output Op...

Страница 2: ... injury Make sure only qualified personnel perform the installation Never remove the instrument cover in explosive environments when the circuit is live Cover must be fully engaged to meet flameproof explosion proof requirements Information in this manual supersedes all enclosure compliance and agency approval information included in additional product manuals included with this product Limited Wa...

Страница 3: ...nal Source Cal 31 Time Base Total Conversion Factor Total Reset 32 Setting the Display Parameter Intensity dsplay 33 Setting the Relay Operation relay 34 Relay Assignment Assign 35 Setting the Relay Action 35 Programming Set and Reset Points 36 Setting Fail Safe Operation 36 Programming Time Delay 36 Relay Action for Loss of 4 20 mA Input Loop Break 36 Relay and Alarm Operation Diagrams 37 High Al...

Страница 4: ...tion 19 Figure 15 F4 Digital Input Connections 20 Figure 16 4 20 mA Output Connections 20 Figure 17 Interlock Connection 20 Figure 18 Digital I O Connections 21 Figure 19 Acknowledge Relays w Function Key or Digital Input 42 Figure 20 General Four Wire Network Connection 51 Figure 21 General Two Wire Network Connection 51 Figure 22 Enclosure Dimensions Front View 63 Figure 23 Enclosure Dimensions ...

Страница 5: ...Reproductive Harm www P65Warnings ca gov Accessories Model Description PDA1232 RS 232 serial adapter PDA1485 RS 485 serial adapter PDA7485 I RS 232 to RS 422 485 isolated converter PDA8232 N USB to RS 232 non isolated converter PDA8485 I USB to RS 422 485 isolated converter PDA2811 1 Meter Plastic NEMA 4X Enclosure PDA2812 2 Meter Plastic NEMA 4X Enclosure PDX6901 Suppressor snubber 0 01 µF 470 25...

Страница 6: ... W max Powered over USB for configuration only Fuse Required external fuse UL Recognized 5 A max slow blow up to 6 meters may share one 5 A fuse Isolated Transmitter Power Supply Terminals P P 24 VDC 10 selectable for 24 10 or 5 VDC supply internal jumper J4 All models transmitter supply rated 25mA max Normal Mode Rejection Greater than 60 dB at 50 60 Hz Isolation 4 kV input output to power line 5...

Страница 7: ...le Delay On Release 0 1 and 999 9 seconds applied to the first relay assigned to total or grand total If the meter is programmed to reset total to zero automatically when the preset is reached then a delay will occur before the total is reset Total Reset Via front panel button external contact closure on digital inputs automatically via user selectable preset value and time delay or through serial...

Страница 8: ...Power P Transmit TX and Receive RX Slave Id 1 247 Meter address Baud Rate 300 19 200 bps Transmit Time Delay Programmable between 0 and 199 ms Data 8 bit 1 start bit 1 or 2 stop bits Parity Even Odd or None with 1 or 2 stop bits Byte To Byte Timeout 0 01 2 54 second Turn Around Delay Less than 2 ms fixed Note Refer to the PROVU Modbus Register Tables located at www predig com for details Digital I...

Страница 9: ... Sira 12ATEX1182 IECEx Ex d IIC T Gb Ex tb IIIC T90 C Db IP68 Ta 40 C to C T6 40 C to 60 C T5 40 C to 65 C Certificate Number IECEx SIR 12 0073 Special Conditions for Safe Use Use suitably certified and dimensioned cable entry device and or plug The equipment shall be installed such that the supply cable is protected from mechanical damage The cable shall not be subjected to tension or torque If t...

Страница 10: ...c immunity standard RFI Amplitude Modulated 80 1000 MHz 10 V m 80 AM 1 kHz 1 4 2 0 GHz 3 V m 80 AM 1 kHz 2 0 2 7 GHz 1 V m 80 AM 1 kHz Electrical Fast Transients 2kV AC mains 1kV other Electrostatic Discharge 4kV contact 8kV air RFI Conducted 10V 0 15 80 MHz 1kHz 80 AM AC Surge 2kV Common 1kV Differential Surge 1KV CM Power Frequency Magnetic Field 30 A m 70 V for 0 5 period Voltage Dips 40 V for ...

Страница 11: ...tions e g NEC For Installation in USA The ProtEX MAX must be installed in accordance with the National Electrical Code NEC NFPA 70 For Installation in Canada The ProtEX MAX must be installed in accordance with the Canadian Electrical Code CSA 22 1 All power supplies below 36 V and input circuits must be derived from a CSA Approved Class 2 source For European Community The ProtEX MAX must be instal...

Страница 12: ...vice Cover Jam Screw The cover jam screw should be properly installed once the instrument has been wired and tested in a safe environment The cover jam screw is intended to prevent the removal of the instrument cover in a flameproof environment without the use of tools Using a M2 hex wrench turn the screw clockwise until the screw contacts the aluminum enclosure Turn the screw an additional 1 4 to...

Страница 13: ...nnectors may be provided already connected These connections are required for proper operation of the ProtEX MAX and should not be removed unless instructed to by this manual Wires marked as being used for testing purposes should be removed Grounding connections are made to the two ground screws provided on the base one internal and one external After all connections have been completed and verifi...

Страница 14: ... 3 Connector Labeling for Fully Loaded PD8 6200 Power Connections Power connections are made to a two terminal connector labeled POWER on Figure 3 The meter will operate regardless of DC polarity connection The and symbols are only a suggested wiring convention Signal Connections Signal connections are made to a six terminal connector labeled SIGNAL on Figure 3 The COM common terminal is the retur...

Страница 15: ...nal Supply Figure 6 Transmitter Powered by Ext Supply or Self Powered The current input is protected against current overload by a resettable fuse The display may or may not show a fault condition depending on the nature of the overload The fuse limits the current to a safe level when it detects a fault condition and automatically resets itself when the fault condition is removed Figure 7 Voltage ...

Страница 16: ...c LEDs a Power P LED to show when the module is powered properly a Transmit Data TX LED to show when the module is being transmitted to by the PC side and a Receive Data RX LED to show when the module is sending data to a receiving device The following diagrams detail how to connect the RS 485 serial communications from the ProtEX MAX to a RS 485 RS 232 serial converter PDA7485 in four wire and tw...

Страница 17: ... 2 Refer to RS 232 to RS 485 Converter documentation for further details 3 Use shielded cable twisted pairs plus ground Connect ground shield only at one location WARNING Observe all safety regulations Electrical wiring should be performed in accordance with all agency requirements and applicable national state and local codes to prevent damage to the meter and ensure personnel safety www GlobalTe...

Страница 18: ...re personnel safety When using more than one instrument in a multi drop or multi point mode each meter must be provided with its own unique address See Modbus RTU Serial Communications on page 50 Using PROVU Serial Adapters NOTICE PROVU expansion modules and serial adapters are not included in the hazardous area approvals of the ProtEX MAX The PDA1232 and PDA8008 may be used only while the ProtEX ...

Страница 19: ...stallation Figure 13 AC and DC Loads Protection Choose R and C as follows R 0 5 to 1 for each volt across the contacts C 0 5 to 1 µF for each amp through closed contacts Notes 1 Use capacitors rated for 250 VAC 2 RC networks may affect load release time of solenoid loads Check to confirm proper operation 3 Install the RC network at the meter s relay screw terminals An RC network may also be instal...

Страница 20: ... R terminal is the return Interlock Relay Feature As the name implies the interlock relay feature reassigns one or more alarm control relays for use as interlock relay s Interlock contact s are wired to digital input s and trigger the interlock relay This feature is enabled by configuring the relay and relative digital input s see page 44 In one example dry interlock contacts are connected in seri...

Страница 21: ...l state and local codes to prevent damage to the meter and ensure personnel safety External Switch Contacts The ProtEX MAX includes 4 digital inputs These digital inputs are preconfigured at the factory to function as external contacts to duplicate the front button functions of the instrument The factory configuration uses the following corresponding digital input terminals for external switch con...

Страница 22: ...ss before pressing the next button When the cover is removed the four mechanical buttons located next to the sensors are used The sensors are disabled when a mechanical button is pressed and will automatically be re enabled after 60 seconds of inactivity The SafeTouch Buttons are designed to filter normal levels of ambient interference and to protect against false triggering however it is recommen...

Страница 23: ...ontrol of flashing relays M flashing alone indicates manual analog output Indicators flash every 10 seconds Press the Menu button to enter or exit the Programming Mode at any time Press the Right arrow button to move to the next digit during digit or decimal point programming Press or hold the Up arrow button to scroll through the menus decimal point or to increment the value of a digit Press the ...

Страница 24: ...AINSTAL 3 Double click on the file named MAStart The program will open a few windows and install two programs on your computer Simply follow the onscreen instructions until you see one of the dialogs below If you receive a User Account Control warning click Yes 4 If there is an update available click the Update button to install the new version Otherwise click Configure to begin programming your m...

Страница 25: ...successful check signal or programmed value T tb Total time base Program total time base T CF Total conversion factor Program total conversion factor T rst Total reset Program total rest mode auto or manual Display Parameter Action Setting GT tb Grand total time base Program grand total time base GT CF Grand total conversion factor Program grand total conversion factor GT rst Grand total reset Pro...

Страница 26: ...tput scaling menu Dis 1 Display 1 Program display 1 value Out 1 Output 1 Program output 1 value e g 4 000 mA Display Parameter Action Setting Dis 2 Display 2 Program display 2 value Out 2 Output 2 Program output 2 value e g 20 000 mA reset Reset Press Enter to access the Reset menu Rst Gt Reset grand total Press Enter to reset grand total Rst Hi Reset high Press Enter to reset max display Rst Lo R...

Страница 27: ... a setting is accepted by pressing Enter F3 Setting Numeric Values The numeric values are set using the Right and Up arrow buttons Press Right arrow to select next digit and Up arrow to increment digit value The digit being changed is displayed brighter than the rest Press and hold Up to auto increment the display value If negative numbers are allowed the first digit position will include a negati...

Страница 28: ...epting any signal from 10 to 10 VDC Select voltage input to accept 0 5 1 5 0 10 or 10 VDC signals Setting the Totalizer Features total To simply not display the total select alternative display parameters in the display dsplay menu Enable or disable the totalizer features by selecting Yes or no after the input type has been set up If the totalizer features are disabled all the totalizer features a...

Страница 29: ...f F O O z Z 5 5 g G o o 6 6 9 g p P 7 7 H H q q 8 8 h h r r 9 9 I I s S A A I i t t Degree b b j J u u Space Notes Degree symbol represented by if programming with MeterView Pro The letters m and w use two 7 segment LEDs each when selected the characters to the right are shifted one position Press and hold up arrow to auto scroll the characters in the display Setting the Decimal Point dEc pt The d...

Страница 30: ...election prior to scaling and calibration of the meter see page 52 for details The process input may be calibrated or scaled to any display value within the range of the meter Additional parameters not needed for most applications are programmed in the Advanced Features menu see Advanced Features Menu page 48 Multi Point Calibration Scaling The meter is set up at the factory for 2 point linear cal...

Страница 31: ... by any of the following conditions 1 Input signal is not connected to the proper terminals or it is connected backwards 2 Wrong signal selection in Setup menu 3 Minimum input span requirements not maintained 4 Input 1 signal inadvertently applied to calibrate input 2 Minimum Input Span The minimum input span is the minimum difference between input 1 and input 2 signals required to complete the ca...

Страница 32: ... total grand total conversion factor is the amount by which the rate is multiplied before it is added to the total or grand total For Example if the rate was ten per second and the total conversion factor was 100 the total would increase by 1000 every second This is useful for instance if you want to show rate in gallons and total in thousands of gallons Total Grand Total Reset The totals can be p...

Страница 33: ...in values 11 Modbus input 12 Off no display Selecting engineering units or custom legends as display line 2 d unit will display the unit or tag selected for the rate total or grand total displayed on line 1 For example if line 1 is set to total selecting d unit to display on line 2 will have the total appear on line 1 and the total unit appear on line 2 Display Intensity The meter has eight displa...

Страница 34: ...tomatic reset only non latching b Automatic manual reset at any time non latching c Latching manual reset only d Latching with Clear manual reset only after alarm condition has cleared e Pump alternation control automatic reset only f Sampling the relay is activated for a user specified time g Off relay state controlled by Interlock feature 3 Set and reset points 4 Fail safe operation a On enabled...

Страница 35: ... relays may be set up for any of the following modes of operation 1 Automatic reset non latching 2 Automatic manual reset at any time non latching 3 Latching manual reset only at any time 4 Latching with Clear manual reset only after alarm condition has cleared 5 Pump alternation control automatic reset only 6 Sampling the relay is activated for a user specified time 7 Off relay state controlled b...

Страница 36: ...to enable or select off to disable fail safe operation Programming Time Delay The On and Off time delays may be programmed for each relay between 0 and 999 9 seconds The relays will transfer only after the condition has been maintained for the corresponding time delay The On time delay is associated with the set point The Off time delay is associated with the reset point Relay Action for Loss of 4...

Страница 37: ...ation Set Reset For Manual reset mode ACK can be pressed anytime to turn off relay To detect a new alarm condition the signal must go below the set point and then go above it High Alarm with Fail Safe Operation Set Reset Low Alarm with Fail Safe Operation Set Reset Note Relay coil is energized in non alarm condition In case of power failure relay will go to alarm state www GlobalTestSupply com Fin...

Страница 38: ...igh alarms and going down for low alarms The sample time can be programmed between 0 1 and 5999 9 seconds Total Relay Sampling Operation When the total reaches the preset the relay trips and the sample time starts After the sample time has elapsed the relay resets The cycle repeats every time the preset value is added to the total Set Reset Relay LED Input Sample Time Sample Time Sample Time Prese...

Страница 39: ...time delay function When the signal crosses the set point the On time delay timer starts and the relay trips when the time delay has elapsed If the signal drops below the set point high alarm before the time delay has elapsed the On time delay timer resets and the relay does not change state The same principle applies to the Off time delay Note If Automatic or Manual A nmAn reset mode is selected ...

Страница 40: ...e front panel provide status indication for the following The meter is supplied with four alarm points that include front panel LEDs to indicate alarm conditions This standard feature is particularly useful for alarm applications that require visual only indication The LEDs are controlled by the set and reset points programmed by the user When the display reaches a set point for a high or low alar...

Страница 41: ...lication the meter is set up for manual reset at any time Acknowledging the alarm even if the alarm condition is still present resets the relay and turns off the LED Latching Relay Lt Clr In this application the meter is set up for manual reset only after the signal passes the reset point alarm condition has cleared Acknowledging the alarm while it is still present has no effect on either the LED ...

Страница 42: ... on is the first pump off Application 1 Pump Alternation Using Relays 1 2 1 Relays 1 and 2 are set up for pump alternation 2 Relays 3 and 4 are set up for low and high alarm indication Set and Reset Point Programming Relay Set Point Reset Point Function 1 30 000 10 000 Controls pump 1 2 35 000 5 000 Controls pump 2 3 4 000 9 000 Controls low alarm 4 40 000 29 000 Controls high alarm Pump Alternati...

Страница 43: ... a typical pump alternation application with high and low alarm monitoring Relay 4 turns the main pump on at 6000 gallons and turns it off at 1000 gallons With the Pump Alternation feature activated the next time the level reaches 6000 gallons relay 3 transfers and starts the backup pump If the backup pump is not able to keep up and the level reaches 7000 gallons relay 4 transfers and starts the m...

Страница 44: ...ck Relay Operation Example Relays 1 2 are configured to energize their front panel LEDs are off when SW1 SW2 switches above are closed If the contacts to these digital inputs are opened the corresponding front panel LEDs flash indicating this condition The processes being controlled by the interlock relay will stop and will re start only after the interlock relay is re activated by the digital inp...

Страница 45: ...ximum or minimum reading peak or valley reached by the process both may be reset at the same time by selecting reset high low rst HL If total is set to no the tare value used to zero the display may be reset by selecting reset tare rst tr Control Menu Contrl The Control menu is used to control the 4 20 mA analog output and the relays manually ignoring the input Each relay and analog output can be ...

Страница 46: ...l inputs Total Prevents resetting the total manually Gtotal Prevents resetting the grand total manually Protecting or Locking the Meter Enter the Password menu and program a six digit password For instructions on how to program numeric values see Setting Numeric Values page 27 Total Reset Password Non Resettable Total The total and the grand total can be password protected to prevent unauthorized ...

Страница 47: ...enu and enter the correct password twice as shown below The meter is now unprotected until a new password is entered If the correct six digit password is entered the meter displays the message unLoc unlocked and the protection is disabled until a new password is programmed If the password entered is incorrect the meter displays the message Locd Locked for about two seconds and then it returns to R...

Страница 48: ...e byte Set byte to byte timeout SelEct Select Enter the Select menu function cutoff out Functn Signal input conditioning Select linear square root programmable exponent or round horizontal tank function Linear Linear Set meter for linear function and select number of linearization points Display Parameter Action Setting No PtS Number of points Set meter for 2 to 32 point linearization Square Squar...

Страница 49: ...ing 4 20 mA current input internal reference source used for scaling the input C lo Current low Calibrate low current input e g 4 mA C Hi Current high Calibrate high current input e g 20 mA v CAL Voltage calibration Calibrating voltage input v Lo Voltage low Calibrate low voltage input e g 0 V v Hi Voltage high Calibrate high voltage input e g 10 V Diag Diagnostics Display parameter settings LED t...

Страница 50: ...tion via the onboard micro USB connection For ongoing digital communications with a computer or other data terminal equipment an RS 232 or RS 485 option is required see Ordering Information on page 4 for details Warning Do not connect any equipment other than Precision Digital s expansion modules cables or meters to the RJ45 M LINK connector Otherwise damage will occur to the equipment and the met...

Страница 51: ...ltiple drivers and receivers connected on a single bus where any point node can transmit and or receive data RS 485 allows multiple drivers and receivers on the same two wire or four wire system The RS 485 standard specifies up to 32 drivers and 32 receivers on a single bus but with the introduction of automatic repeaters and high impedance drivers receivers this number can be extended to hundreds...

Страница 52: ...on provides a display that is linear with respect to the input signal Multi Point Linearization Linear Meters are set up at the factory for linear function with 2 point linearization Up to 32 linearization points can be selected under the linear function The multi point linearization can be used to linearize the display for non linear signals such as those from level transmitters used to measure v...

Страница 53: ...onvert gallons to liters 1 US gallon 3 7854 L 940 02 gal 3558 4 L 2 Go to the Setup menu and change the decimal point to 1 decimal 3 Go to the Program Scale menu and press Enter until dis 2 is shown on the main display 4 Press Enter and change the display 2 value to 3558 4 5 The meter is now displaying the volume in liters Note The display can be scaled to display the volume in any engineering uni...

Страница 54: ...he set points or the Modbus PV input Analog Output Calibration To perform the analog output calibration it s recommended to use a milliamp meter with a resolution of at least 0 1 µA to measure the output current The values saved internally during this procedure are used for scaling the 4 20 mA output in the Setup menu Programmable Function Keys User Menu user The User menu allows the user to assig...

Страница 55: ...Lo Display minimum display value on line 2 Ln2 HL Display maximum minimum display values on line 2 Ln2 gt Display the grand total on line 2 Display Description F On 1 Force relay 1 through 4 into the on state This function is used in conjunction with a digital input to achieve interlock functionality See page 44 for details about interlock relays Contrl Directly access the control menu disabl Disa...

Страница 56: ...t digit brighter than the rest The bright digit is the active digit that can be changed by pressing the Up arrow button Press the Right arrow button to move to the next digit 6 Set the display value to correspond to the input signal being calibrated typically 4 000 mA 7 The display moves to the high input calibration C Hi Apply the high input signal and press Enter 8 Set the display for the high i...

Страница 57: ...These buttons can be disabled for security by selecting DISABLE on the switch labeled NO CONTACT BUTTONS located on the connector board To actuate a button press one finger to the glass directly over the marked button area Then retract finger more than three inches from the glass before pressing the next button When the cover is removed the four mechanical buttons located next to the sensors are u...

Страница 58: ...by assigning either display to max min through the Display menu Any of the F1 F3 function keys buttons and the digital inputs can be programmed to reset the max min readings The meters are set at the factory to display the max reading by pressing the Up arrow F2 button and to use the Right arrow F1 button to access the Reset menu To display max reading using function key with factory defaults 1 Pr...

Страница 59: ...u diAG and press Enter button 2 Press Up arrow button and scroll to Information menu Info 3 Press Enter to access the software number SFT and version UER information Write down the information as it is displayed Continue pressing Enter until all the information is displayed 4 The meter returns to Run Mode after displaying all the settings Reset Meter to Factory Defaults When the parameters have be...

Страница 60: ...nt Gtot C Up Relay 1 assignment Asign1 Total Relay 2 assignment Asign2 Total Relay 3 assignment Asign3 Rate Parameter Display Default Setting Relay 4 assignment Asign4 Rate Relay 1 action Act 1 Automatic Relay 1 set point Set 1 1 000 Relay 1 reset point RSt 1 0 000 Relay 2 action Act 2 Automatic Relay 2 set point Set 2 2 000 Relay 2 reset point RSt 2 0 000 Relay 3 action Act 3 Automatic Relay 3 se...

Страница 61: ... from the bus Try getting the system to work with only one device to ease troubleshooting and then expand the system one device at a time Communications slow Increase the baud rate Random communication errors 1 Increase the TX delay time Decrease the baud rate Power LED is off 1 Check modular cable connection Check power to instrument No display at all Check power at power connector Not able to ch...

Страница 62: ...ahead of time rather than at random Service WARNINGS Installation and service should be performed only by trained service personnel Service requiring replacement of internal sub components must be performed at the factory Disconnect from supply before opening enclosure Keep cover tight while circuits are alive Conduit seals must be installed within 18 450mm of the enclosure Verify that the operati...

Страница 63: ...e Totalizer Instruction Manual 63 Mounting Dimensions All units inches mm Figure 22 Enclosure Dimensions Front View Figure 23 Enclosure Dimensions Side Cross Section View www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 64: ...rotEX MAX PD8 6200 Explosion Proof Analog Input Rate Totalizer Instruction Manual 64 This Page Intentionally Left Blank www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 65: ...2001 and EN 61326 2006 are no longer harmonized The requirements of these standards have been checked against the harmonized standard EN 55022 2010 EN 60079 0 2012 A11 2013 EN 60079 1 2014 EN 60079 31 2014 EN 61000 6 4 2007 A1 2011 EN 61010 1 2010 and EN 61326 2013 and there were no major technical changes affecting the latest technical knowledge for the products listed above EC Type Examination C...

Страница 66: ...200 Explosion Proof Analog Input Rate Totalizer Instruction Manual PRECISION DIGITAL CORPORATION LIM8 6200_D SFT039 Ver 4 010 up 12 18 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

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