Modbus Communication Specification - Siemens SITRANS FC410 Operating Instructions Manual

Technical data

11.3 Modbus Communication Specification

11.3 Modbus Communication Specification
Table 11- 4
Description
Device type
Baud rates
Number of stations
Device address range
Protocol
Electrical interface
Connector type
Supported function codes
Broadcast
Maximum cable length [m]
Standard
Certification
Device Profile
: Standard restriction. The standard requires a LED indicator for visual diagnosis. This
1)
device does not support a LED indicator. Instead comprehensive display information is
available. This device does not react to any Broadcast commands.
: According to the Specification & Implementation guide v. 1.0 available at the Modbus
2)
Organization website
Note
Storage location
All Modbus settings of the device are stored in a non-volatile memory.
92
Modbus communication specification
Specification
Slave
9600
•
19 200 (Factory setting)
•
38 400
•
57 600
•
76 800
•
115 200
•
Max. 31 per segment without repeaters
1 to 247
Modbus RTU
RS 485, 2-wire
M12 / Cable termination
3: read holding registers
•
16: write multiple registers
•
8: diagnostics
•
No
1)
600 meters (@ 115 200 bits/sec)
Modbus over serial line v 1.0
one
None
Operating Instructions, 02/2016, A5E33120874-AC
2)
FC410 with Modbus