RKI Instruments 71-0530 Скачать руководство пользователя страница 64

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64 • VOC Pro Transmitter

Parts List

Table 7 lists replacement parts and accessories for the VOC Pro.

Table 7: Parts List

Part Number

Description

33-0560RK

PID sensor electrode stack, low range 10.6 eV sensor, 2 stacks

33-0560-01

PID sensor electrode stack, low range 10.6 eV sensor, 1 stack

33-0562

PID sensor electrode stack, high range 10.6 eV sensor

33-0563

PID sensor electrode stack, 10.0 eV sensor

33-0564

PID sensor electrode stack, 11.7 eV sensor

43-4163

Fuse, 4A

51-1503

PID sensor replacement lamp, for 10.0 eV, low range 10.6 eV, and high range 10.6 eV
sensors

51-1504

PID sensor replacement lamp, 11.7 eV sensor

61-0302

10.6 eV low range replacement sensor, with lamp and stack

61-0303

10.6 eV high range replacement sensor, with lamp and stack

61-0304

11.7 eV replacement sensor, with lamp and stack

61-0305

10.0 eV replacement sensor, with lamp and stack

71-0530

VOC Pro Operator’s Manual (this document)

81-0076RK

Zero air calibration cylinder, 17 liter

81-0076RK-01

Zero air calibration cylinder, 34 liter steel

81-0076RK-03

Zero air calibration cylinder, 103 liter

81-0103RK-04

Calibration cylinder, isobutylene, 100 ppm in air, 34 liter aluminum

81-0104RK-04

Calibration cylinder, isobutylene, 10 ppm in air, 34 liter aluminum

81-1050RK

Regulator with gauge and knob, 0.5 LPM, for 17 liter and 34 liter steel calibration
cylinders (cylinders with external threads)

81-1051RK

Regulator with gauge and knob, 0.5 LPM, for 34 liter aluminum, 58 liter, and 103 liter

calibration cylinders (cylinders with internal threads)

81-1183

Calibration cup with 3 foot tube

81-1184

Rain guard

82-0003RK

Electrode stack removal tool

82-0101RK

Magnetic wand

82-0300RK

Aluminum oxide powder PID lamp cleaning kit, with electrode stack removal tool, for

10.0 eV and 10.6 eV PID sensors’ lamps ONLY

Содержание 71-0530

Страница 1: ...RKI Instruments Inc www rkiinstruments com VOC Pro Operator s Manual Part Number 71 0530 Revision P4 Released 12 10 20 ...

Страница 2: ...ibration and maintenance of the detector is essential for proper operation and correct readings Please calibrate and maintain this detector regularly Frequency of calibration depends upon the type of use you have and the sensor types Typical calibration frequen cies for most applications are between 1 and 3 months but can be required more often or less often based on your usage ...

Страница 3: ... costs local repair costs transportation costs or contingent expenses incurred without our prior approval THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER WARRANTIES AND REPRESENTATIONS EXPRESSED OR IMPLIED AND ALL OTHER OBLIGATIONS OR LIABILITIES ON THE PART OF RKI INSTRUMENTS INC INCLUDING BUT NOT LIMITED TO THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT S...

Страница 4: ... D INSTRUCTIONS EN ENTIER AVANT D UTILISER D ENTERETENIR OU DE RÉPARER L ÉQUIPEMENT CAUTION THIS AREA MUST BE FREE OF FLAMMABLE GASES DURING CALIBRATION ATTENTION CETTE ZONE DOIT ETRE EXEMPTE DE GAZ INFLAMMABLES PENDANT L ETALONNAGE CAUTION TO PREVENT IGNITION OF EXPLOSIVE ATMOSPHERES remove from explosive atmosphere BEFORE SERVICING Warning A conduit seal must be used within 18 inches of the encl...

Страница 5: ...vated Latching Alarms 26 Magnetic Buttons 25 Powering the Device 25 Faults 26 Accessing Menus 27 Product Settings and Configuration 28 Entering the Product Settings and Configuration Menu 28 Alarm Test 28 System Information 29 Zero Calibration Timer Information 30 Unit Information 30 Latching and Auto Resetting Relay Settings 31 Relay Fail Safe Setting 32 Fault Terminal Fail Safe Setting 34 Calibr...

Страница 6: ... PID Lamp 49 Replacing the PID Electrode Stack 52 Sensor Replacement 55 Fuse Replacement 57 Calibration Frequency 59 Calibration 59 Zeroing the Sensor 59 Calibrating the Sensor Manual Cal 61 Calibrating the Sensor Auto Cal 62 Parts List 64 Appendix A Introduction to 4 20 mA Current Loop Signals 66 Appendix B Modbus Communications 68 Appendix C Modbus Register Map 70 ...

Страница 7: ...ual the instructions reference the use of push buttons located on the front panel of the device In certain environments the activation of the non intrusive magnetic switches through the use of the magnetic tool will replace the directive of the button press actions To apply the magnetic tool hold the tool to the side of the device enclosure adjacent to the push button that you wish to activate Whe...

Страница 8: ... Sampling Method Diffusion Detection Range and Increments Detection Range Increment 10 0 eV Lamp 0 20 ppm parts per million 0 01 ppm 0 50 ppm 0 100 ppm 1 ppm Low Range 10 6 eV Lamp 0 10 00 ppm parts per million 0 01 ppm 0 20 00 ppm 0 50 00 ppm High Range 10 6 eV Lamp 0 100 ppm parts per million 1 ppm 0 200 ppm 0 500 ppm 0 1 000 ppm 0 2 000 ppm 11 7 eV Lamp 0 20 ppm parts per million 0 01 ppm 0 50 ...

Страница 9: ...ion Class I Division 1 Groups C D Ex db IIB T6 Gb Class I Zone 1 AEx db IIB T6 Gb Operating Voltage 12 35 VDC Current Draw 250 mA max Operating Temperature Range 40 C to 54 C 40 F to 129 F Humidity Range 0 98 relative humidity non condensing Signal Output 4 to 20 mA 3 wire RS 485 Modbus RTU Relay Contact Ratings 3A at 24 VDC 115 VAC and 250 VAC each relay terminal protected by a 4A fuse Enclosure ...

Страница 10: ... External Component Location 1 MENU button 8 Sensor housing assembly 2 Front panel thumbscrew 9 Rain guard 3 Enclosure 10 Magnetic tool 4 Explosion proof plug 11 Alarm 1 LED 5 SUB button 12 ADD button 6 Mounting hole 13 Enclosure lid locking screw 7 Alarm 2 LED ...

Страница 11: ...Location 1 RS 485 Modbus terminal block 5 Sensor housing socket 2 Fault terminal block 6 Not installed in VOC Pro 3 Power input 4 20 mA output terminal block 7 Relay 1 terminal block if relays installed 4 Not installed in VOC Pro 8 Relay 2 terminal block if relays installed ...

Страница 12: ...d 8 Sensor housing base 2 Internal system 9 Sensor element 3 Not installed in VOC Pro 10 Rain guard 4 Enclosure body 11 Sensor housing cap with flame arrestor 5 Not installed in VOC Pro 12 Analog sensor board 6 Not installed in VOC Pro 13 Sensor housing plug 7 Explosion proof plug ...

Страница 13: ...ling the VOC Pro in a location where airborne particles could cover or coat the sensor NOTE These guidelines are ONLY intended as a general directive for the placement of the VOC Pro This information should NOT serve as a complete list when considering all potential parameters for the proper location of the unit It is STRONGLY advised that a third party Certified Industrial Hygienist or other Cert...

Страница 14: ...14 VOC Pro Transmitter Figure 4 Mounting the VOC Pro ...

Страница 15: ...s to remove the terminal board from the internal system 1 Unscrew the enclosure lid and set it aside 2 Grab the thumbscrews and gently lift the internal system out of the enclosure It can rest on the edge of the enclosure NOTE Disconnecting the sensor connector plug from the sensor housing will allow for the complete removal of the internal system from the device enclosure Disconnecting the intern...

Страница 16: ... the control board and complete the following see Figure 5 Connect the power GRAY wire to the VDC terminal Connect the ground BLACK wire to the VDC terminal Connect the signal GREEN wire to the 4 20 mA S terminal CAUTION If shielded cable is used leave the cable shield s drain wire disconnected and insulated at the VOC Pro You will connect the opposite end of the cable s drain wire to the controll...

Страница 17: ...S 485 link 1 If necessary unscrew the enclosure lid and pull the internal system out by the thumbscrews CAUTION Be sure power to the VOC Pro is off before pulling out the internal system 2 Feed the RS 485 cable through the power hub and into the enclosure WARNING Use appropriate construction technique to maintain the explosion proof classification of the assembly Table 3 T3A Terminal Block Wire Ga...

Страница 18: ... Feed the RS 485 cable through the power hub and into the controller and wire them to the correct terminals as shown below Figure 6 Modbus Wiring NOTE If an RKI controller is not used the VOC Pro can be connected to a Programmable Logic Controller PLC for RS 485 Modbus data communications For integration and setup refer to the Modbus Register Map found in Appendix C of this manual ...

Страница 19: ...oard WARNING Use appropriate construction technique to maintain the explosion proof classification of the assembly 3 Connect the alarm device s power RED terminal to the NO or NC terminal on the relay terminal block NOTE It is recommended that the relay connections are wired as normally open NO However normally closed NC wiring configurations provide an inherent fail safe and may be preferred 4 Co...

Страница 20: ...20 VOC Pro Transmitter 5 Connect the external power source s terminal GRAY to the COM terminal on the relay terminal block Figure 7 Relay Wiring ...

Страница 21: ...is provided to the power terminal block 1 If necessary unscrew the enclosure lid and pull the internal system out by the thumbscrews CAUTION Be sure power to the VOC Pro is off before pulling out the internal system 2 Locate the power RED and ground BLACK wires on the alarming device WARNING Use appropriate construction technique to maintain the explosion proof classification of the assembly 3 Fee...

Страница 22: ...the VOC Pro function ONLY as thumb holds for ease in removal of the internal system from the base of the enclosure Do NOT attempt to loosen or tighten the thumbscrews when opening or closing the enclosure 3 Verify that the sealing ring seated at the threaded opening of the device enclosure is correctly in place 4 Secure the enclosure lid back onto the enclosure WARNING When securing the lid onto t...

Страница 23: ... the power source 4 Verify that the controller is on and operating properly Refer to the controller operator s manual 5 The VOC Pro automatically powers on and enters a 1 minute warmup period 6 At the end of the warmup the VOC Pro is in Normal Operation 7 The VOC Pro is factory calibrated before shipping from RKI If a full calibration is desired at startup see page 59 1 Measured gas concentration ...

Страница 24: ... Alarm 1 and Alarm 2 indicator LEDs and optional wired relays When latching alarms have been activated refer to the following instructions for how to manually deactivate the alarms on your device 1 Verify that the gas level reading is below the alarm level setting 2 Press the MENU button to deactivate latching alarm s NOTE The gas level reading MUST be below the alarm level setting before the alar...

Страница 25: ...ns the startup sequence The directions below describe how to power off and power on the VOC Pro once power has been applied Powering Off Powering off the device stops the operation of the unit The Product Settings and Configuration as well as the operation settings including the zero and calibration of the sensor will be unaffected 1 Press and hold the SUB button for approximately 6 seconds until ...

Страница 26: ...on to deactivate latching alarm s NOTE The gas level reading MUST be below the alarm level setting before the alarm can be deactivated Press the MENU button ONLY once to deactivate the latching alarm s Pressing the MENU button more than once will activate and open the Operation Settings menu The alarms will NOT activate even in the presence of gas until you have exited the menu mode for approximat...

Страница 27: ...the MENU button for approximately 6 seconds until the menu is activated and open on the display screen To access the Operation Settings menu from the normal operating screen press and release the MENU button once and the menu will open and show on the display NOTE After 5 minutes of no interaction with the device the unit will automatically return to normal operating mode ...

Страница 28: ...alibration Method see page 34 RS 485 Modbus Address Setting see page 35 RS 485 Modbus Baud Setting see page 36 4 20 mA Offset Settings Zero Offset Setting Full Scale Offset Setting see page 36 Display Screen Contrast Setting see page 38 Return to Factory Default Settings see page 39 Reset Zero and Calibration Values Only see page 40 Entering the Product Settings and Configuration Menu While the de...

Страница 29: ...menu by pressing and holding the MENU button for 6 seconds The alarm test screen appears 2 Press the ADD button until the Alarm 1 and Alarm 2 levels are reached and the relay s are triggered to light all visual alarm s and sound all audio alarm s on the controller 3 Once all relays have been tested and the test is complete press the SUB button to return the alarm test reading back to zero and to d...

Страница 30: ...is screen is for informational purposes only 1 If necessary enter the Product Settings and Configuration menu by pressing and holding the MENU button for 6 seconds 2 Press and release the MENU button until the Zero Calibration Timer Information screen appears 3 Review the information displayed 4 Press and release the MENU button to move through the Product Settings and Configuration menu or to exi...

Страница 31: ...nly customized as the following Relay 1 Latching Auto Reset Setting 1 If necessary enter the Product Settings and Configuration menu by pressing and holding the MENU button for 6 seconds 2 Press and release the MENU button until the Relay 1 Latching Auto Resetting screen appears 3 Use the ADD and SUB buttons to toggle between the Auto Reset and Latch options 4 Press the MENU button to select the d...

Страница 32: ...bout the fault terminal and for instructions on how to wire your device refer to the Connecting the Fault Terminal section of this manual Site specific circumstances may prevent the use of the fault terminal leading to potentially dangerous situations without end user notification In response the VOC Pro provides a relay fail safe setting to enhance the safety protection provided when the fault te...

Страница 33: ...guration menu by pressing and holding the MENU button for 6 seconds 2 Press and release the MENU button until the Relay 2 Failsafe screen appears 3 Use the ADD and SUB buttons to select the desired fail safe setting for Relay 2 Select Yes to turn the fail safe setting on or select No to leave the fail safe setting off 4 Press and release the MENU button to move through the Product Settings and Con...

Страница 34: ...ough the Product Settings and Configuration menu or to exit to the normal operating mode screen Calibration Method The calibration method selection allows you to choose how you calibrate the sensor element Manual calibration is the default method for all gas types Manual calibration lets you use the ADD and SUB buttons during calibration to match the reading shown on the screen to the value of the...

Страница 35: ...ice The RS 485 Modbus communication parameters used in the VOC Pro is 8 data bits no parity and 1 stop bit these parameters are fixed and cannot be changed The floating point data values are presented with the least significant bytes first When using Modbus over a RS 485 network the communication parameters MUST be set correctly for all devices For multiple devices using Modbus ensure that no two ...

Страница 36: ...s and Configuration menu by pressing and holding the MENU button for 6 seconds 2 Press and release the MENU button until the Modbus Baud screen appears 3 Use the ADD and SUB buttons to scroll through the available Modbus baud options 4 Press and release the MENU button to move through the Product Settings and Configuration menu or to exit to the normal operating mode screen 4 20 mA Offset Settings...

Страница 37: ...ing screen Zero Offset Setting If Yes is selected to set the 4 20 mA offset 1 Use the ADD and SUB buttons to increase and decrease the zero offset on the unit respectively until the controller reads 0 PPM depending on the gas type being detected 2 Press the MENU button to save the desired setting and to advance to the full scale offset setting screen Full Scale Offset Setting NOTE Adjusting the fu...

Страница 38: ...ow will cause the display image to become faint or indistinguishable especially when the unit is located in areas with full sun The resulting field of view could be misinterpreted as an error within the device Be sure to verify that the selected contract is within an appropriate range of viewing 1 If necessary enter the Product Settings and Configuration menu by pressing and holding the MENU butto...

Страница 39: ...D 5 System Information Zero Calibration Timer Cleared Unit Information Background Setting 4 Relay 1 Latching Auto Reset Auto Reset Relay 2 Latching Auto Reset Auto Reset Relay 1 Fail Safe Setting No Off Relay 2 Fail Safe Setting No Off Calibration Method Manual RS 485 Modbus Address Setting 1 RS 485 Modbus Baud Setting 9600 bps 4 20 mA Zero Offset Setting 4 00 mA 4 20 mA Full Scale Offset Setting ...

Страница 40: ...rmal operating mode screen NOTE If the VOC Pro is reset to the factory default settings ALL configuration steps MUST be repeated and the device MUST then be zeroed and calibrated for proper operation of the device Reset Zero Calibration Values Resetting the zero and calibration settings of the sensor element will allow the currently stored zero and calibration values to be rest without having to r...

Страница 41: ...n the Operation Settings menu Sensor Alarm Settings The VOC Pro has two alarm settings Alarm 1 and Alarm 2 Regardless of whether the device includes the optional two dry contact relays the system alarm settings are available on the device All alarm set points are field adjustable up to 60 of the full scale gas concentration The factory default setting on the VOC Pro for Alarm 1 is 10 of full scale...

Страница 42: ... decrease the Alarm 1 set point respectively 3 Press the MENU button to save the desired setting and to advance to the sensor Alarm 1 increasing decreasing setting screen Sensor Alarm 1 Increasing Decreasing Setting 1 From normal operating mode press and release MENU until the Alarm 1 increasing decreasing setting screen appears 2 Use the ADD and SUB buttons to select between activation on an Incr...

Страница 43: ...amage or potential damage has occurred to the sensor and that there has not been a power outage to the sensor assembly If damage has occurred or the power supplied to the sensor has changed a calibration should be completed immediately Scheduled maintenance should include the zero and calibration of the sensor and an alarm test See page 59 and page 28 for instructions to perform these procedures T...

Страница 44: ...oard has lost communication with the digital sensor interface adapter board 1 Check connection between the sensor housing connector header and the digital sensor interface adapter board plug in 2 Replace the sensor interface adapter board F4 Check Sensor Board The control board has lost communication with the sensor interface board 1 Replace the sensor interface board F5 Try to Zero Again The unit...

Страница 45: ...e internal components can be static sensitive Use caution when opening the enclosure and handling internal components DO NOT use any metal objects or tools to remove the sensor Clean the lamp if you notice a significant drop in sensitivity from one scheduled calibration to another or if you are not able to calibrate the detector Since the life of the 11 7 eV lamp is typically only 3 months cleanin...

Страница 46: ...me may damage the 11 7 eV lamp Lamp Cleaning Procedure 1 Press and hold the SUB button for approximately 6 seconds until OFF shows on the display screen 2 Unscrew and remove the sensor housing cap from the sensor housing base Set aside 3 Gently unplug the sensor element from the sensor housing board 4 Place the PID sensor face down on a flat clean working surface 5 Do not touch the lamp window wit...

Страница 47: ...lift the PID sensor body away from the electrode stack and lamp Take care not to touch the lamp window the flat end of the lamp with your fingers If the lamp remains lodged in the sensor body carefully remove it with tweezers Figure 10 Lamp Window Location 9 If the spring in the lamp cavity comes out place it back into the lamp cavity 10 Hold the lamp in one hand being careful not to touch the lam...

Страница 48: ... the lamp is completely dry and any visible signs of contamination are removed before reinstalling 16 Hold the electrode stack between the thumb and forefinger of one hand and place the window end of the lamp inside the O ring seal in the electrode stack with the other hand as shown below Figure 12 Reinstalling the Electrode Lamp 17 Twisting the lamp slightly during insertion will help to ensure t...

Страница 49: ...re lid while the circuits are energized unless the area is determined to be non hazardous Keep the sensor housing cap and enclosure lid tightly closed during operation CAUTION The internal components can be static sensitive Use caution when opening the enclosure and handling internal components DO NOT use any metal objects or tools to remove the sensor If cleaning the PID lamp does not resolve any...

Страница 50: ...oil 1 Press and hold the SUB button for approximately 6 seconds until OFF shows on the display screen 2 Unscrew and remove the sensor housing cap from the sensor housing base Set aside 3 Gently unplug the sensor element from the sensor housing board 4 Place the PID sensor face down on a flat clean working surface Table 6 PID Sensor Replacement Lamp Part Number Sensor Part Number Replacement Lamp P...

Страница 51: ...p cavity 9 Discard the old PID lamp NOTE At this point it is recommended that the finger cots be used on the fingers handling the lamp Finger cots are included with the lamp cleaning kit 10 Hold the electrode stack between the thumb and forefinger of one hand and place the window end of the new lamp inside the O ring seal in the electrode stack with the other hand as shown below Take care not to t...

Страница 52: ... the circuits are energized unless the area is determined to be non hazardous Keep the sensor housing cap and enclosure lid tightly closed during operation CAUTION The internal components can be static sensitive Use caution when opening the enclosure and handling internal components DO NOT use any metal objects or tools to remove the sensor The electrode stack can last for the life of the PID sens...

Страница 53: ...s until OFF shows on the display screen 2 Unscrew and remove the sensor housing cap from the sensor housing base Set aside 3 Gently unplug the sensor element from the sensor housing board 4 Place the PID sensor face down on a flat clean working surface NOTE At this point it is recommended that the finger cots be used on the fingers handling the lamp Finger cots are included with the lamp cleaning ...

Страница 54: ...amp cavity 9 Discard the old electrode stack 10 Hold the new electrode stack between the thumb and forefinger of one hand and place the window end of the lamp inside the O ring seal in the new electrode stack with the other hand as shown below Take care not to touch the lamp window Figure 16 Reinstalling Electrode Lamp 11 Twisting the lamp slightly during insertion will help to ensure the lamp win...

Страница 55: ...ing the normal calibration process After replacing the sensor element the device MUST be zeroed and calibrated for proper operation of the device WARNING Do not remove the sensor housing cap or enclosure lid while the circuits are energized unless the area is determined to be non hazardous Keep the sensor housing cap and enclosure lid tightly closed during operation CAUTION The internal components...

Страница 56: ... cap from the sensor housing base Set aside 4 Gently unplug the sensor element from the sensor housing board 5 Plug the new sensor element into the sensor housing board Ensure that the pins on the sensing element align with the sockets on the sensor housing board ...

Страница 57: ... static sensitive Use caution when opening the enclosure and handling internal components DO NOT use any metal objects or tools to remove the fuses 1 Disconnect or turn off power to the VOC Pro 2 Unscrew the enclosure lid and set it aside 3 Grab the thumbscrews and gently lift the internal system out of the enclosure It can rest on the edge of the enclosure NOTE Disconnecting the sensor connector ...

Страница 58: ...ting posts NOTE The thumbscrews on the VOC Pro function ONLY as thumb holds for ease in removal of the internal system from the base of the enclosure Do NOT attempt to loosen or tighten the thumbscrews when opening or closing the enclosure 10 Verify that the sealing ring seated at the threaded opening of the device enclosure is correctly in place 11 Secure the enclosure lid back onto the enclosure...

Страница 59: ...th knob calibration cup calibration tubing zero air cylinder if not in a fresh air environment calibration cylinder RKI recommends using 50 of the full scale value of your detected gas NOTE For 10 6 eV and 11 7 eV PID sensors if you want to calibrate with a gas other than isobutylene you will have to take the calibration gas factor to isobutylene into account when setting the calibration gas conce...

Страница 60: ...nnect the regulator to the calibration cup e Turn the regulator knob counterclockwise to open the regulator f Allow the gas to flow for two minutes g Press the ADD button to select Yes and continue to Step 5 5 The unit will automatically begin the 6 second zero process During the zero the display will show a countdown of the time remaining until the process is complete NOTE The zero process cannot...

Страница 61: ...he regulator to the calibration cup 5 Turn the regulator knob counterclockwise to open the regulator 6 Let the gas flow until the reading stabilizes approximately 1 minute 7 Use the ADD and SUB buttons to adjust the reading on the screen to match the applied calibration gas concentration NOTE For 10 6 eV and 11 7 eV PID sensors if you are calibrating with a gas other than isobutylene you must take...

Страница 62: ...brate the sensor press the SUB button to select No to advance to the sensor radio address setting screen 3 Use the ADD and SUB buttons to adjust the concentration to the calibration gas being used NOTE For 10 6 eV and 11 7 eV PID sensors if you are calibrating with a gas other than isobutylene you must take the calibration gas factor to isobutylene into account when setting the calibration gas con...

Страница 63: ...ss is complete NOTE Once the calibration countdown has started the process cannot be stopped without disconnecting the power from the unit 11 When calibration is complete remove the calibration cup from the sensor housing and reinstall the rain guard NOTE If the sensor responds extremely slow or does not respond to the applied gas it may indicate a failed sensor element The sensor element will nee...

Страница 64: ...ith lamp and stack 61 0305 10 0 eV replacement sensor with lamp and stack 71 0530 VOC Pro Operator s Manual this document 81 0076RK Zero air calibration cylinder 17 liter 81 0076RK 01 Zero air calibration cylinder 34 liter steel 81 0076RK 03 Zero air calibration cylinder 103 liter 81 0103RK 04 Calibration cylinder isobutylene 100 ppm in air 34 liter aluminum 81 0104RK 04 Calibration cylinder isobu...

Страница 65: ...VOC Pro Transmitter 65 82 0301 Anhydrous methanol PID lamp cleaning kit with electrode stack removal tool for 11 7 eV sensor s lamp ONLY Table 7 Parts List Part Number Description ...

Страница 66: ...he receiving controller PLC to distinguish between a zero signal a broken wire or an unresponsive instrument Benefits of 4 20 mA convention are that it is an industry standard low cost to implement can reject some forms of electrical noise and the signal does not change value around the loop as opposed to voltage The key advantage of the current loop is that the accuracy of the signal is not affec...

Страница 67: ... current meter may be used in conjunction with the controller and or to test the 4 20 mA current loop signal To measure the current place the meter probes in line with the current loop Sensor Element Scale Ranges Sensor Type Gas Type Formula Range Photo Ionization Detector PID Volatile Organic Compounds VOC10 0 10 PPM Photo Ionization Detector PID Volatile Organic Compounds VOC20 0 20 PPM Photo Io...

Страница 68: ...hin each device Twisted pair cabling is a type of wiring in which two conductors of a single circuit are twisted together for the purposes of canceling out electromagnetic interference EMI from external sources as well as crosstalk between neighboring pairs In electronics crosstalk is any phenomenon by which a signal transmitted on one circuit or channel of a transmission system creates an undesir...

Страница 69: ...l wire a chain is created with the first device in the chain directly connected to the controller Terminating resistor may be required for the last device in the daisy chain RS 485 Modbus Connection Distances for Electrical Wiring Distance Length Gauge Size Twisted Pairs Short 100 Feet 22 to 24 Gauge Shielded in areas of high noise Medium 101 Feet to 1 000 Feet 18 to 20 Gauge Shielded in areas of ...

Страница 70: ...e of Sensor R 1 ENUM 0 7 see below 9 9 Voltage Reading R 2 FLOAT 12V 35V B 11 Fault Code R 1 ENUM 0 6 see below C 12 Sensor Type R 1 ENUM 0 4 see below E 14 Relay 1 Setting R 2 FLOAT 1 32000 10 16 Relay 2 Setting R 2 FLOAT 1 32000 16 22 Precision R 1 INT 0 3 17 23 Relay Setting R 1 BFLD See Relay Setting Table 18 24 Days Since Last Zero R 1 UINT 0 60000 60000 Default to Never 19 25 Calibration Typ...

Страница 71: ...ible Gas 7 VOC Volatile Organic Compounds 9 HCL Hydrogen Chloride 10 NH3 Ammonia 12 CLO2 Chlorine Dioxide 13 HCN Hydrogen Cyanide 14 F2 Fluorine 15 HF Hydrogen Fluoride 16 CH2O Formaldehyde 17 NO2 Nitrogen Dioxide 18 O3 Ozone 26 PH3 Phosphine 27 HBr Hydrogen Bromide 28 EtO Ethylene Oxide 29 CH3SH Methyl Mercaptan 30 AsH3 Arsine Response Unit Type 0 PPM 1 Response Sensor Mode 0 Normal Operating Mod...

Страница 72: ...ror Response Sensor Type 0 EC Electrochemical 1 IR Infrared 2 CB Catalytic Bead 4 PID Photo Ionization Detector Bit Relay Setting Function 5 Relay 2 Increasing Decreasing Setting 0 Decreasing 1 Increasing 4 Relay 1 Increasing Decreasing Setting 0 Decreasing 1 Increasing 3 Relay 2 Failsafe Setting 0 No Off 1 Yes On 2 Relay 1 Failsafe Setting 0 No Off 1 Yes On 1 Relay 2 Latch Auto Reset 0 Auto Reset...

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Содержание 71-0530

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