Siemens SITRANS F Modbus RTU RS 485 Operating Instructions Manual page 48

Modbus holding registers
A.6 Output
MODBUS regis‐ MODBUS ad‐
ter dress
4:02216 2215
4:02217 2216
4:02218 2217
4:02220 2219
4:02222 2221
4:02224 2223
4:02225 2224
4:02226 2225
4:02227 2226
4:02229 2228
4:02231 2230
4:02233 2232
48
No. of bytes Data type
2 Byte
2 Byte
4 Float
4 Float
4 Float
2 Byte
2 Byte
2 Byte
4 Float
4 Float
4 Float
2 Byte
Description
Limit Digital selection:
• 0 = Off (read only)
• 1 = Massflow
• 2 = Fraction A
• 3 = Fraction B
• 4 = Volumeflow
• 5 = Sensor temp.
• 6 = Density
• 7 = % fraction A
Limit Digital mode:
• 0 = 1 setpoint
• 1 = 2 setpoints
Limit Digital Setpoint min. (1/100%)
Limit Digital Setpoint max. (1/100%)
Limit Digital Hysteresis (1/100%)
Relay Output 1 function:
• 0 = Off
• 3 = Error Level
• 4 = Error Number
• 5 = Direction/Limit
Limit Relay selection:
• 0 = Off
• 1 = Massflow
• 2 = Fraction A
• 3 = Fraction B
• 4 = Volumeflow
• 5 = Sensor temp.
• 6 = Density
• 7 = % fraction A
Limit Relay mode:
• 0 = 1 setpoint
• 1 = 2 setpoints
Limit Relay Setpoint min. (1/100%)
Limit Relay Setpoint max. (1/100%)
Limit Relay Hysteresis (1/100%)
Error number (0-255)
Operating Instructions, 03/2021, A5E00753974-AB
Read / write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Modbus RTU RS 485