Siemens QBM3700 Series User Manual page 14

3
Engineering
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
Analog input 1
Addr. Description
4x0020 Reliability.
4x0021 Value
4x0022 Sensor type AI1
Analog output 1
Addr. Description
4x0027 Value
4x0028 Dependency
4x0029 Scaling low - (0.0V)
4x0030 Scaling high - (10.0V)
14 | 20
Unit Scaling R/W Area
1 R
1 R
1 R/W 0 = Analog output coupled with differential
1 R
See R
config.
1 R
See R
config.
1 R
°C / mV 0.1 / 1 R
1 R
°C / mV 0.1 / 1 R
Unit Scaling R/W Area
1 R
°C / mV 0.1 / 1 R
1 R/W 0 = No sensor (default)
Unit Scaling R/W Area
mV 1 R/W 0 ≤ VAL ≤ 10500
1 R/W 0 = Value @ 4x0027 = default if 4x0003=1
mV 1 R/W 0 ≤ VAL < Scaling high (0 = Default)
mV 1 R/W Scaling low < VAL (10000 = Default)
9705 = 1x 500 Pa
9710 = 1x 1250 Pa
9720 = 1x 2500 Pa
pressure sensors = default
1 = Analog output coupled as defined in
4x0028/4x0058 (setpoint)
1 = PT1000
2 = LG-Ni 1000
3 = NTC 10 k
4 = NI 1000
5 = 0...10 V
1 = With analog output 1
2 = With analog output 2
3 = With pressure sensor 1 = default if
4x0003=0
4 = With pressure sensor 2
Data type
uint16_t
uint16_t
uint16_t
uint16_t
uint16_t
uint16_t
uint16_t
uint16_t
int16_t
uint16_t
int16_t
Data type
uint16_t
int16_t
uint16_t
Data type
uint16_t
uint16_t
uint16_t
uint16_t
A6V11841988_en--_b