Rki-instruments M2 for 12 VDC Manual de usuario

RKI Instruments, Inc.www.rkiinstruments.comM2 Transmitterfor 12 VDC OperationOperator’s ManualPart Number: 71-0115RKRevision: HReleased: 4/3/14

5 M2 Transmitter Operator’s Manual, 12 V DC OperationTerminal PCBThe terminal PCB is encapsulated in epoxy for protection against moisture and phys

M2 Transmitter Operator’s Manual, 12 VDC Operation 6Control PCBThe LCD display and control switches are located on the control PCB. It is installed o

7 M2 Transmitter Operator’s Manual, 12 V DC OperationStatus LEDsThe M2 includes five status LEDs that are located above the display (see Figure 2).

M2 Transmitter Operator’s Manual, 12 VDC Operation 8Chapter 3: Installation & StartupOverviewThis chapter describes procedures to mount the M2 Tr

9 M2 Transmitter Operator’s Manual, 12 V DC OperationWiring the M2 TransmitterWARNING: Always verify that the power source is OFF before making any

M2 Transmitter Operator’s Manual, 12 VDC Operation 10be used, use a two or three conductor shielded cable or two or three wires in conduit for connec

11 M2 Transmitter Operator’s Manual, 12 V DC Operation8. Re-install the control PCB (and ribbon cable if necessary). Be sure the ribbon cable is ro

M2 Transmitter Operator’s Manual, 12 VDC Operation 12control switch button, touch the magnet in the end of the magnetic wand to the M2’s glass cover

13 M2 Transmitter Operator’s Manual, 12 V DC OperationChapter 4: OperationOverviewThis chapter describes the M2 in normal operation. This chapter a

M2 Transmitter Operator’s Manual, 12 VDC Operation 14• When the M2 is in its warm-up period, the signal output will be fixed at 3.5 mA (zero). • When

M2 Transmitter Operator’s Manual, 12 V DC OperationWARNINGRead and understand this instruction manual before operating transmitter. Improper use o

15 M2 Transmitter Operator’s Manual, 12 V DC OperationNOTE: You can select normally energized (N. EN) or normally de-energized (N. DE-EN) alarm 1 a

M2 Transmitter Operator’s Manual, 12 VDC Operation 16NOTE: If the ENTER button is pressed while the M2 is in an alarm 2 condition, the A2 LED will fl

17 M2 Transmitter Operator’s Manual, 12 V DC OperationChapter 5: Configuration ModeOverviewThis chapter describes how to view and change M2 paramet

M2 Transmitter Operator’s Manual, 12 VDC Operation 18Table 5: Configuration ParametersParameter(Factory Set Value)DescriptionALARM-1 (level)(See “M2

19 M2 Transmitter Operator’s Manual, 12 V DC Operation4. When you have scrolled through all the adjustable parameters, SAVE IT? YES/NO appears on t

M2 Transmitter Operator’s Manual, 12 VDC Operation 20Chapter 6: Gas Type ModeOverviewThis chapter describes how to use the Gas Type Mode to select th

21 M2 Transmitter Operator’s Manual, 12 V DC Operation5. To discard the gas type change, press and release the DOWN/NO button. The display will ask

M2 Transmitter Operator’s Manual, 12 VDC Operation 22Chapter 7: MaintenanceOverviewThis chapter describes procedures for performing preventive mainte

23 M2 Transmitter Operator’s Manual, 12 V DC Operation11. If external alarms have been disabled, enable them when the display returns to a normal f

M2 Transmitter Operator’s Manual, 12 VDC Operation 24Flickering DisplayThe display reading flickers often.•The M2 is experiencing false readings due

M2 Transmitter Operator’s Manual, 12 VDC OperationProduct WarrantyRKI Instruments, Inc. warrants gas alarm equipment sold by us to be free from defec

25 M2 Transmitter Operator’s Manual, 12 V DC OperationCalibration FrequencyAlthough there is no particular calibration frequency that is correct fo

M2 Transmitter Operator’s Manual, 12 VDC Operation 262. Screw the calibration cup onto the detector.3. Connect the fixed flow regulator to the calibr

27 M2 Transmitter Operator’s Manual, 12 V DC Operation8. Unscrew the zero air cylinder from the fixed flow regulator leaving the calibration cup on

M2 Transmitter Operator’s Manual, 12 VDC Operation 28Replacing Components of the M2Replacing LEL Detector1. Turn off or disconnect power to the M2.2.

29 M2 Transmitter Operator’s Manual, 12 V DC OperationChapter 8: RS-485 Modbus OutputOverviewThis chapter describes the M2’s RS-485 Modbus output a

M2 Transmitter Operator’s Manual, 12 VDC Operation 30installed in an M2 that is at the end of a Modbus line. Any M2 in a Modbus system that is not at

31 M2 Transmitter Operator’s Manual, 12 V DC OperationUsing the M2 in a 4-wire Modbus SystemThe M2 is a 2-wire Modbus RTU device. It can be used wi

M2 Transmitter Operator’s Manual, 12 VDC Operation 324. When you have scrolled through all the adjustable parameters, SAVE IT? YES/NO appears on the

33 M2 Transmitter Operator’s Manual, 12 V DC OperationSupported Modbus FunctionsThe M2 supports Function Code 03: Read Holding Registers and Functi

M2 Transmitter Operator’s Manual, 12 VDC Operation 34Register 3Register 3 is the supply voltage (0.1 volt per count).Registers 4 - 11The 16 bytes in

M2 Transmitter Operator’s Manual, 12 V DC OperationTable of ContentsChapter 1: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . .

35 M2 Transmitter Operator’s Manual, 12 V DC OperationRegister 12Register 12 is the range (full scale readout).Register 13Register 13 is the alarm

M2 Transmitter Operator’s Manual, 12 VDC Operation 36Register 30Register 30 is the alarm 2 relay reset.0=Latching1=Self-ResettingRegister 31Register

37 M2 Transmitter Operator’s Manual, 12 V DC OperationRegister 39Register 39 is the auto-zero disable.0=AutoZero Enabled1=AutoZero DisabledRegister

M2 Transmitter Operator’s Manual, 12 VDC Operation 38Parts ListTable 13 lists replacement parts and accessories for the M2 Transmitter.Table 13: Part

39 M2 Transmitter Operator’s Manual, 12 V DC OperationAppendix A: Control Button Quick Reference GuideThe M2’s control buttons allow access to oper

M2 Transmitter Operator’s Manual, 12 VDC Operation 40Appendix B: PLC and DCS Device WiringThe M2 can be wired to a PLC or DCS device if desired. 1. G

41 M2 Transmitter Operator’s Manual, 12 V DC OperationSee Figure 8 below for field wiring connections to the M2. Figure 8: PLC and DCS Device

M2 Transmitter Operator’s Manual, 12 VDC Operation 42Appendix C: Function Code 16 RegistersThe M2 supports Function Code 16 that allows writing to th

43 M2 Transmitter Operator’s Manual, 12 V DC OperationRegister 9Register 9 is the alarm 2 relay state.0=Normally De-Energized1=Normally EnergizedRe

M2 Transmitter Operator’s Manual, 12 VDC Operation 44Register 20Register 20 is the AutoZero Disable.0=AutoZero Enabled1=AutoZero DisabledRegister 21R

M2 Transmitter Operator’s Manual, 12 VDC OperationChapter 7: Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 M2 Transmitter Operator’s Manual, 12 V DC OperationChapter 1: IntroductionOverviewThis chapter briefly describes the M2 Transmitter. This chapter

M2 Transmitter Operator’s Manual, 12 VDC Operation 2SpecificationsTable 1 lists specifications for the M2.WARNING: When using the M2, you must follow

3 M2 Transmitter Operator’s Manual, 12 V DC OperationChapter 2: DescriptionOverviewThis chapter describes external and internal components of the M

M2 Transmitter Operator’s Manual, 12 VDC Operation 4Magnetic WandThe magnetic wand is a short plastic rod with a magnet in one end. It is used to act