Siemens Flow Instruments Modbus RTU specification for add-on modules
Number of stations Recommended: max. 31 per segment without repeaters
Device address range 1 to 247
Protocol RTU
(Other Modbus protocols like ASCII, Plus or TCP/IP are not supported)
Electrical interface RS 485, 2-wire and RS 232, 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 Yes
Maximum cable length 1200 meters (@38 400 bits/sec.)
Standard Modbus over serial line v1.0
Certified No
Device profile None
Add-on modules comply with MODBUS over serial line specification & implementation guide v. 1.0
modbus.org 12/02/02
MODBUS application protocol specification v. 1.1
modbus.org 12/06/02
Isolation 500 V AC functional isolation of data signals and common
Add-on modules must be connected to equipment complying with "Low Voltage Directive" in
order to be considered safe. The isolation within the MAG 8000 and MAG 8000 CT add-on
MODBUS module is only functional isolation.
10.6 Output characteristics
This chapter describes how the MAG 8000 and MAG 8000 CT outputs work.
Technical data
10.6 Output characteristics
SITRANS MAG 8000
96 Operating Instructions, 11/2018, A5E03071515-AE
To Next Page
Loading...
