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RKI Instruments 65-2610RK-04, Operator'S Manual

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65-2610RK-04 M2 Transmitter Operator’s Manual

8

Status LEDs

The M2 includes five status LEDs that are located above the display (see Figure 2).

•

Fail LED

The fail LED turns on when the M2 is experiencing a fail condition. A fail condition 
can be caused by a detector failure or low detector signal.

•

Alarm 1 LED

The alarm 1 LED is on when the M2 is experiencing an alarm 1 condition.

•

Alarm 2 LED

The alarm 2 LED is on when the M2 is experiencing an alarm 2 condition.

•

RX & TX LED’s

These LED’s indicate data being received (RX) and transmitted (TX) when the M2’s 
Modbus output is operating.

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Summary of Contents for 65-2610RK-04

Page 1: ...65 2610RK 04 M2 Transmitter Operator s Manual Part Number 71 0294RK Revision 0 Released 12 27 13 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 2: ...gas monitor is essential for proper operation and correct readings Please calibrate and maintain this instrument regularly Frequency of calibration depends upon the type of use you have and the senso...

Page 3: ...portation 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 OBL...

Page 4: ...llation Startup 9 Overview 9 Mounting the M2 Transmitter 9 Wiring the M2 Transmitter 11 Start Up 14 Chapter 4 Operation 17 Overview 17 Normal Operation 17 Information Screen 17 4 20 mA Signal Output O...

Page 5: ...ng the M2 in a Modbus System 36 Using the M2 in a 4 wire Modbus System 39 Modbus Mode 39 Supported Modbus Functions 41 Parts List 46 Appendix A Control Button Quick Reference Guide 47 Appendix B PLC a...

Page 6: ...nt face and provides a 4 20 mA signal which indicates the target gas reading for use by a gas monitoring controller recording device or programmable controller The M2 also provides an RS 485 Modbus ou...

Page 7: ...Supported Modbus Functions on page 41 for information on the current Modbus register assignments The firmware version is shown on the Information Screen described on page 17 Table 1 M2 Specifications...

Page 8: ...ds to be installed at an inaccessible location The detector junction box can be installed at the inaccessible location and the M2 junction box can be installed in a more readily accessible area Extern...

Page 9: ...mbustible gas detector is a catalytic type detector that produces an electrical output that corresponds to the detection range It is packaged in a 1 2 inch NPT nipple with a sintered metal flame arres...

Page 10: ...bus network The terminal PCB also controls three relays one fail and two gas alarm relays Two columns of plug in style terminal strips are used to make all wiring connections to the M2 The column on t...

Page 11: ...terminal strip in the left terminal column All four terminals are used to connect the detector to the M2 Figure 3 Detector Terminal Strip NOTE The detector is factory wired to the M2 See Wiring the M...

Page 12: ...R button is on the right Just above each push button switch is a magnetic switch with the same function as the push button switch below it The magnetic switches are for use in non intrusive calibratio...

Page 13: ...tion can be caused by a detector failure or low detector signal Alarm 1 LED The alarm 1 LED is on when the M2 is experiencing an alarm 1 condition Alarm 2 LED The alarm 2 LED is on when the M2 is expe...

Page 14: ...he detector junction box select a site where the target gas is likely to be found first For lighter gases mount the detector near the ceiling for heavier gases mount the detector near the floor The ju...

Page 15: ...he bottom of the calibration adapter splash guard and route it to an accessible area that is close to the M2 junction box See the Parts List on page 46 for available tubing Calibration Adapter Splash...

Page 16: ...unction box 10 Guide the other end of the four conductor shielded cable or four wires in conduit through the bottom conduit hub of the M2 junction box 11 To gain access to a plug in terminal strip for...

Page 17: ...the M2 junction box connect the cable s drain wire to an available chassis earth ground at the M2 junction box Do not connect the shield drain wire at the detector junction box 15 Guide multi conduct...

Page 18: ...his signal the M2 will still function completely If the PWR SIG connections and one or more relays are used route the connections to the M2 in conduit Use shielded cable in the conduit for the PWR SIG...

Page 19: ...this manual 2 Verify that all wiring connections are correct and secure 3 Turn on the incoming power 4 If necessary turn on the controller or other monitoring device that is connected to the M2 5 The...

Page 20: ...2 s glass cover directly over the magnetic switch you wish to actuate Touching the glass and removing the wand is the same as pressing and releasing a button Touching the glass and keeping the wand in...

Page 21: ...e M2 will perform a zero operation and the display will indicate SPAN w Cal Gas 5 Press and release the DOWN NO button The display will indicate Leaving CAL Mode and the M2 will return to normal opera...

Page 22: ...tage and firmware and hardware information To display the Information Screen do the following 1 Press and hold the DOWN NO button for 3 seconds The Information Screen will appear 2 Continue holding th...

Page 23: ...l be fixed at 3 5 mA until the M2 returns to normal operation If the M2 s input power decreases below 18 5 volts so that the M2 is in a low power alarm the signal output is fixed below 2 4 mA until th...

Page 24: ...g the alarm 1 circuit turns off the A1 LED resets the LCD and de energizes the alarm 1 relay NOTE If the ENTER button is pressed while the M2 is in an alarm 1 condition the A1 LED will flash but all o...

Page 25: ...il Condition Indications The M2 indicates a fail condition for any of the following The detector wiring is disconnected or incorrectly connected The display reading is 10 of full scale or lower When t...

Page 26: ...esponding to a Low Power Condition 1 Determine and correct the cause of the low power condition 2 When the input power increases above 19 0 volts the M2 will begin its warm up sequence 3 Verify that t...

Page 27: ...ltaneously press and hold the UP YES and ENTER buttons for 5 seconds to enter Configuration Mode Release the buttons when the following screen appears 2 If you want to exit Configuration Mode press an...

Page 28: ...d increments from 0 60 seconds in 1 minute increments from 1 15 minutes and in 15 minute increments from 15 60 minutes ALARM 2 level 50 LEL The gas reading at which the M2 initiates an alarm 2 conditi...

Page 29: ...play a reading of 0 LEL for gas readings from 2 LEL to 2 LEL It is settable from 0 to 6 of the detection range FILTER 5 secs The filter feature helps smooth out jumpy or noisy signals from the detecto...

Page 30: ...Type 1 While in normal operation or during the warm up sequence press and hold the UP YES and DOWN NO buttons for five seconds Release them when the following screen appears 2 If you want to exit Gas...

Page 31: ...ton display will ask SAVE IT YES NO 8 To save the configuration settings press and release the UP YES button The display will indicate Config Saved and the M2 will begin its warm up sequence To discar...

Page 32: ...ou want to calibrate or whether you want to perform a fresh air adjustment span adjustment or zero adjustment Since a complete calibration is required the calibration sequence will proceed without ask...

Page 33: ...der and a fixed flow regulator with an on off knob 1 Disable all external alarms if external alarm indications are not desired during the response test 2 Screw the calibration gas cylinder into the fi...

Page 34: ...power wiring is disconnected or misconnected The display cable is disconnected or misconnected 1 Verify that the wiring to the power source or controller is correct and secure 2 Verify that the ribbo...

Page 35: ...on Slow or No Response Difficult or Unable to Calibrate M2 responds slowly or does not respond to response test Unable to successfully set the fresh air or span reading during calibration M2 requires...

Page 36: ...flexible tubing that is attached to the calibration adapter splash guard To determine the response time based on the length of tubing connected 1 Place the M2 into its calibration mode or disable exte...

Page 37: ...and non intrusive calibration is required follow the instructions below but do not remove the junction box cover Use the magnetic wand accessory to actuate the magnetic switches instead of pushing the...

Page 38: ...pen the regulator 7 Allow zero air to flow for the length of time determined in Determining Response Time on page 31 8 Turn the regulator knob clockwise to close the regulator 9 Unscrew the zero air c...

Page 39: ...ute period the REMOVE CAL GAS message will stop appearing and the M2 will return to normal operation 10 Disconnect the calibration adapter splash guard s flexible tubing from the regulator NOTE Do not...

Page 40: ...llow the replacement detector to warm up for 15 minutes before you continue with the next step 11 Calibrate the replacement detector as described in Calibration on page 32 www GlobalTestSupply com Fin...

Page 41: ...rate typical M2 wiring configurations If more than 128 M2s need to be connected together RS 485 repeater s should be used such that no more than 128 M2s reside on any given network segment CAUTION The...

Page 42: ...l on the Modbus controller is omitted Instead the Common terminal on the Modbus controller is connected to the of the 24 VDC power supply Figure 9 Alternate Modbus Wiring C NC NO C NC NO C NC NO ALARM...

Page 43: ...10 Multiple M2s in a Daisy Chain Configuration Figure 11 Multiple M2s in a Two Branch Configuration Modbus Master M2 Termination Jumper Installed M2 Termination Jumper Not Installed M2 Termination Jum...

Page 44: ...the M2 returns to normal operation because of a time out it enters a warm up period just as it does when it is first turned on 1 While in normal operation simultaneously press and hold the DOWN NO and...

Page 45: ...network must be configured with the same baud rate and parity and each M2 must have a unique slave ID For an M2 to participate on a network the ENABLED DISABLED setting must be set to ENABLE Table 9 C...

Page 46: ...n on the Information Screen described on page 17 Function Code 03 Read Holding Registers There are a total of 40 registers available to be read via this Function Code Registers 1 2 The format bit fiel...

Page 47: ...ity Has Occurred 8 Fail Status 0 Fail Not Asserted 1 Fail Asserted 7 6 Alarm 2 Status 0 No Alarm 1 Unacknowledged Alarm 2 Acknowledged Alarm 3 Unused Code 5 4 Alarm 1 Status 0 No Alarm 1 Unacknowledge...

Page 48: ...inated Register 23 Register 23 is the alarm 1 trigger 0 Decreasing 1 Increasing Register 24 Register 24 is the alarm 1 normal relay state 0 Normally De Energized 1 Normally Energized Register 25 Regis...

Page 49: ...ister 35 Register 35 is calibration timeout in minutes 5 10 15 20 25 or 30 Register 36 Register 36 is calibration month upper byte and day lower byte This is zero based e g January 0 and the 1st 0 Reg...

Page 50: ...e used to reset an alarm condition For a complete description of Function Code 16 request Appendix C from RKI Instruments Inc Register 16 Register 16 performs the same function as the ENTER button on...

Page 51: ...rogen in air 34 liter steel 81 0002RK 03 Calibration cylinder 50 LEL hydrogen in air 103 liter steel 81 0004RK 01 Calibration cylinder 50 LEL propane in air 34 liter steel 81 0004RK 03 Calibration cyl...

Page 52: ...r Function Performed Button Combination Adjustable or Viewable Parameters Alarm Reset Press and Release ENTER n a Show Information Screen Press and Hold DOWN NO Input Voltage M2 Version Revision Infor...

Page 53: ...e or more relays are used route the connections to the M2 in conduit Use shielded cable in the conduit for the PWR SIG connections and unshielded cable or individual wires for the relay connections Ma...

Page 54: ...IL LEL Alarm Device Power A B C R S 485 A LAR M 2 Alarm 1 Alarm Device Fail Alarm Device Typical Alarm Wiring Shown Alarm 2 Alarm Device 24 VDC 4 20 mA In S 24 VDC 24 VDC Power Supply 24 VDC A LARM 1...

Page 55: ...ormation Screen described on page 17 Register 1 Register 1 is the alarm 1 set point Value must be an integer Any decimals are omitted Register 2 Register 2 is the alarm 1 trigger 0 Decreasing 1 Increa...

Page 56: ...n Toxics and LEL 0 6 Full Scale Oxygen 0 0 7 Oxygen Value must be an integer Any decimals are omitted Register 14 Register 14 is the noise filter Integer value is in seconds 0 60 in 5 second increment...

Page 57: ...er 19 Clear Change Flags Register 20 Register 20 is the AutoZero Disable 0 AutoZero Enabled 1 AutoZero Disabled Register 21 Register 21 is the Remote Configuration Register 0 No Remote Configuration 1...

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