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Millennium Enterprises MLP-A/AR, AD-ST1400-25 user manual Remote Reset, Modbus Termination

Models: AD-ST1400-25 MLP-A/AR

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Net Safety Monitoring Inc

REMOTE RESET

The Millennium can be set for remote reset. A normally open Push Button Switch must be connected between the RST and the COM terminals on the Terminal Board and the Relay Option Latch Status must be set to Latching .

Figure 10: Remote Reset

Terminal Board PowerTerminal Strip

RST

+24V

COM

4-20

ISO

MODBUS TERMINATION

Devices are networked in a daisy chain. The device located at the end of the chain requires end of line termination. Place both jumpers over the pins, as shown in Figure 11, "Modbus Termination Jumpers", on page 9, for end of line termination.

Figure 11: Modbus Termination Jumpers

MLP-A/AR/AD-ST1400-25

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Millennium Enterprises MLP-A/AR, AD-ST1400-25 user manual Remote Reset, Modbus Termination

Contents

all available options MILLENNIUM Oxygen Gas DetectorPage IMPORTANT INFORMATION WarrantyContact Information Step 3 - Wire TABLE OF CONTENTSStep 2 - Install IntroductionStep 7 - Maintain How to Return EquipmentAppendix B Resistance Table in OHMS Appendix C Specifications Appendix A Electrostatic Sensitive Device ESDINTRODUCTION Step 1 - PLAN Step 2 - INSTALL Step 3 - WIRE Step 4 - OPERATEStep 5 - CALIBRATE Step 6 - MONITOR Step 7 - MAINTAIN The SensorSTEP 1 - PLAN Figure 3 Components STEP 2 - INSTALLUNPACK External EquipmentMount STEP 3 - WIREConnecting Wires Electromechancial Relay Board Board AssemblySolid State Relay Board Modbus TerminalsRS-485 Communication Terminal BoardSENSOR SEPARATION NON-ISOLATED/ISOLATED WIRING Terminal ConnectionCurrent Output REMOTE RESET MODBUS TERMINATIONFigure 12 Controller Functionality STEP 4 - OPERATENet Safety Monitoring Inc Scrolling 8-character displayStatus LED RTU RegistersCalibration Button StateAccessing the Main Menu Magnetic Reed SwitchPower Up Current Loop Measurement Test JacksDisplay Calibration ProcedureSTEP 5 - CALIBRATE ShowsCalibration Failure STEP 6 - MONITORREVIEW RELAY SETTINGS Latching YES? and then Non-Latching YES? Setting Relay OptionsEnergized YES? and then De-Energized YES? Baud Rate Set Low Power Options - OptionalNode Address When Modbus Setup? YES? displays press the Calibration ButtonRemote Reset Sensor FaultManual Reset Non-standard O2 LevelsModbus STEP 7 - MAINTAINRelays - Optional CurrentNet Safety Part Number HOW TO RETURN EQUIPMENTSPARE PARTS/ACCESSORIES T1Y 7J7ELECTROSTATIC SENSITIVE DEVICE ESD Rotate PCB AssemblyAppendix A Distance Feet Appendix B RESISTANCE TABLE IN OHMSNet Safety Monitoring Inc AWG #20Appendix C SPECIFICATIONS