Siemens SITRANS F Modbus RTU RS 485 - Technical Specifications; Technical Data Table

Technical speci󹪝cations
7
Table 7-1 Technical data
Device type Slave
Baud rates 1200, 2400, 4800, 9600, 19200, 38400, 57800 bits/sec
Number of stations Recommended: max. 31 per segment without repeaters
Device address range 1-247
Protocol RTU (Other Modbus protocols like ASCII, Plus or TCP/IP are
not supported.)
Electrical interface
• RS485, 2 wire
Connecter type Screw terminals
Supported function codes
• 1 Read coils
• 3 Read holding registers
• 5 Write single coil
• 16 Write multiple registers
• 17 Report slave Id
Broadcast No
1)
Maximum cable length 1200 meters (@ 115200 bits/sec)
Standard Modbus over serial line v1.0
2)
Certi󹪝ed No
Device Pro󹪝le None
1) Standard restriction. The standard requires a LED indicator for visual diagnosis. This module do not
support a LED indicator. Instead comprehensive display information is available. This device does not react
to any Broadcast commands.
2)According to the Speci󹪝cation & Implementation guide v. 1.0 available at the Modbus Organisation
website
Modbus RTU RS 485
Operating Instructions, 03/2021, A5E00753974-AB 35