Modbus Registers - Siemens QBM97 Series User Manual

Engineering
3

Modbus registers

3.2 Modbus registers
Addr Description
4x0001 Type
4x0002 Error Code
4x0003 Analog output coupling
4x0004 Differential pressure 1- Reliability
4x0005 Differential pressure 1 - Value
4x0006 Differential pressure 2 - Reliability
4x0007 Differential pressure 2 - Value
4x0008 Analog input 1 - Reliability
4x0009 Analog input 1 - Value
4x0010 Analog input 2 - Reliability
4x0011 Analog input 2 - Value
16 | 22
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Supported function codes
03 (0x03) Read holding register
04 (0x04) Read input registers
06 (0x06) Write single register
16 (0x10) Write multiple registers
Any changes of settings are completed with setting 4x0768 (Bus config
command) to "1" (toggle bit).
Unit Scaling
1
1
1
1
see config. R
1
see config. R
1
°C / mV 0.1 / 1
1
°C / mV 0.1 / 1
R/W Range
R 9710 = 1 x 1250Pa
9720 = 1 x 2500Pa
9750 = 1 x 5500Pa
9770 = 1 x 7000Pa
9711 = 2 x 1250Pa
9712 = 1 x 1250Pa + 1 x 2500Pa
9717 = 1 x 1250Pa + 1 x 7000Pa
9722 = 2 x 2500Pa
9777 = 2 x 7000Pa
R
R/W 0 = analog output coupled with differential
pressure sensors = default
1 = analog output coupled as defined in
4x0028/4x0058 (setpoint)
R
R
R
R
R
R
Data type
uint16_t
uint16_t
uint16_t
uint16_t
uint16_t
uint16_t
uint16_t
uint16_t
int16_t
uint16_t
int16_t
A6V11478123_en_a
2019-02-01