Siemens ET 200pro - Page 297

Interface modules
12.1 Interface modules for PROFIBUS DP
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08
297
Pin assignment of PROFIBUS DP and voltage supplies on the CM IM DP M12, 7/8" connection
module
View of the M12 and 7/8" cable connectors
Terminal
Assignment
M12 cable connector for feeding DP1 X03
1
Supply positive (P5V2)*
2
Data line A
3
Data reference potential (M5V2)*
4
Data line B
5
Functional earth
Thread
Functional earth **
M12 cable connector for looping DP2 X04
1
Supply positive (P5V2)*
2
Data line A
3
Data reference potential (M5V2)*
4
Data line B
5
Functional earth
Thread
Functional earth **
7/8" cable connector for feeding X01
1
Ground for load voltage supply 2M
2 Ground for electronics/encoder
supply 1M
3
Functional earth
4
1L+ electronics/encoder supply
5
2L+ load voltage supply
7/8" cable connector for looping X02
1
Ground for load voltage supply 2M
2 Ground for electronics/encoder
supply 1M
3
Functional earth
4
1L+ electronics/encoder supply
5
2L+ load voltage supply
* The voltage may only be used to supply the external terminating resistor. The voltage must not be
looped through to the next connector with a cable.
** We recommend that you connect the functional earth via the M12 thread (because it has a larger
surface area than terminal 5).