10 Sensor signal outputs
System status
The device provides the device statuses via Modbus as well. The 32-bit
data information is read as single bits. The meanings of these bits are
described as follows.
Bit Description Bit Description
2 Measurement over range 9 Pressure sensor broken
3 Temperature over range 10 Temperature sensor broken
4 Pressure over range 11 NTC broken
5 Pulse over range 15 Flow direction: 0: standard 1:
reverse
6 Calibration overdue 16 BT module connected
8 Differential pressure sensor
broken
10.4 M-Bus output
Communication parameters
Primary Address : 1
Secondary Address : 8-digit serial number of the sensor
Manufacturer Code : 0x15C4
M-Bus version : 1
Baud rate : 2400
Response delay (ms) : 7
Response timeout (ms) : 100
Receive timeout (ms) : 500
Value register
M-Bus Addr. Description Data bytes
1 Total consumption 4-byte
2 Flow 4-byte
3 Temperature 4-byte
4 Pressure 4-byte
5 M-Bus status 4-byte
S430 43
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