Bühler technologies ModbusRTU TC-MIDI, Installation And Operation Instruction Manual, Page: 29 / 55

TC-MIDI (+)
5.8 Modbus Register
Description FC Address Access Data type Default Min Max Selection Resolution Unit
Block temperature measurement 3 2000 R Float - - - - 0.5 °C
Block temperature status 3 2002 R Uint32 - - - Bit 0 := Error
Bit 1..15 := Reserved
Bit 16:= Sensor not calibrated
Bit 17:= Initialization/measurement invalid
Bit 18 := Stabilisation phase
Bit 19:= Load limit reached
Bit 20:= Measurement outside target range
Bit 21..31 := Not used - -
Ambient temperature measure-
ment 3 2004 R Float - - - - 0.5 °C
Ambient temperature status 3 2006 R Uint32 - - - Bit 0 := Error
Bit 1..15 := Reserved
Bit 16 := Sensor not calibrated
Bit 17 := Initialization / measurement invalid
Bit 18..31 := Not used - -
Block temperature setpoint 3, 16 5000 R/W Float 5.0 3.0 20.0 - 0.5 °C
Positive alarm tolerance setpoint 3, 16 5002 R/W Float 3.0 1.0 7.0 - 1.0 K
Negative alarm tolerance setpoint 3, 16 5004 R/W Float -3.0 -3.0 -1.0 - 1.0 K
Temperature difference Delta-T 3, 16 5008 R/W Float -15.0 -30.0 0.0 1.0 K
Enable/disable Delta T 3, 16 9001 R/W Uint16 0 - - 0 := Normal mode
1:= Delta-T control 1 -
Moisture detector
signal store error 3, 16 9002 R/W Uint16 2 - - 1 := No
2 := Yes - -
Moisture alarm
signal store 3, 16 9003 R/W Uint16 1 - - 1 := No
2 := Yes - -
Sensitivity moisture detector 1 3, 16 9004 R/W Uint16 1 (with FF)
2 (without FF) - - 0 := Sensitivity low
1 := Sensitivity high
2 := Moisture detector inactive - -
Sensitivity moisture detector 2 3, 16 9005 R/W Uint16 1 (with FF)
2 (without FF) - - 0 := Sensitivity low
1 := Sensitivity high
2 := Moisture detector inactive - -
Display unit selection 3, 16 9006 R/W Uint16 1 - - 1 := °C
2 := °F - -
Heat exchanger type selection 3, 16 9007 R/W Uint16 2 - - 2 := Steel
3 := Glass
4 := PVDF - -
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Bühler Technologies GmbH
BE440016 ◦ 07/2022