Electrical installation
Instruction Manual ColorPlus 3
14501E/2
31
5.9
Connecting the field bus interfaces (optional)
Information on commissioning the field bus interfaces can be found in the Reference
Handbook.
5.9.1
Overview of Profibus DP and Modbus RTU
Figure 7: Overview of the Profibus DP and Modbus RTU modules
Field bus interface (connection
printed circuit board) for
Profibus DP
.
Field bus interface (connection printed
circuit board) for
Modbus RTU
.
Profibus DP terminals.
Modbus RTU terminals.
DIL switch for matching resistors.
Switches (1 and 2) must be
ON
.
DIL switch for matching resistors.
Switches (1 and 2) must be
ON
.
5.9.2
Connecting the Profibus DP or Modbus RTU
The terminals on the Profibus DP or Modbus RTU module are assigned as follows:
TERMINALS
PROFIBUS/ MODBUS
FUNCTIONAL DESCRIPTION
11
Ground IN
Connection for cable shielding
12 A
RS 485-A IN
Data connection
13 B
RS 485-B IN
Data connection
14
Ground OUT
Connection for cable shielding
15 A
RS 485-A OUT
Data connection
16 B
RS 485-B OUT
Data connection