Siemens SITRANS F Modbus RTU RS 485 - Page 48

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