LTH Electronics MXD75 User Manual

Discretes
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Modbus RS485 Interface
Operating Guide
Appendix C
Modbus RS485 Discretes
Note. The availability of some of the discrete depends upon the configuration of the instrument
Discrete
#
Channel Name Semantics of Values
Digital Input Status
Digital Inputs
500 Digital Input 1 Digital Input State 0 = Inactive
501 Digital Input 2 1 = Active
502 Digital Input 3
503 Digital Input 4
504 Digital Input 5
505 Digital Input 6
506 Digital Input 7
507 Digital Input 8
Sensor Status
Auxiliary mA Input
540 Channel 1 Digital Input Switch Setup State 0 = Switch Setup Inactive
645 Channel 2 1 = Switch Setup Active
755 Channel 3
541 Channel 1 Sensor simulation State 0 = Sensor Not Simulating
646 Channel 2 1 = Sensor Simulating
756 Channel 3
542 Channel 1 Sensor Calibration State 0 = Sensor Not Calibrating
647 Channel 2 1 = Sensor Calibrating
757 Channel 3
Conventional Conductivity
555 Channel 1 Digital Input Switch Setup State 0 = Switch Setup Inactive
660 Channel 2 1 = Switch Setup Active
770 Channel 3
556 Channel 1 Sensor simulation State 0 = Sensor Not Simulating
661 Channel 2 1 = Sensor Simulating
771 Channel 3
557 Channel 1 Temperature simulation State 0 = Temperature Not
Simulating
662 Channel 2
772 Channel 3 1 = Temperature
Simulating
558 Channel 1 Sensor Calibration State 0 = Sensor Not Calibrating
663 Channel 2 1 = Sensor Calibrating
773 Channel 3
559 Channel 1 Temperature Calibration State 0 = Temperature Not
Calibrating
664 Channel 2
774 Channel 3 1 = Temperature
Calibrating
560 Channel 1 Ranging State 0 = Sensor Not Ranging
665 Channel 2 1 = Sensor Ranging
775 Channel 3

LTH Electronics MXD75 Specifications

General

Brand	LTH Electronics
Model	MXD75
Category	Monitor
Language	English