HBM MP85A - Page 46

Electrical connection
46 A0293_06_E00_03 HBM: public MP85A
Pin assignment of Ethernet socket on gateway:
Ethernet socket Pin Signal Description
1 TX+ Transmit data +
2 TX– Transmit data –
3 RX+ Receive data +
4 Connected to PE via an RC element
*)
5 Connected to PE via an RC element
*)
6 RX– Receive data –
7 Connected to PE via an RC element
*)
8 Connected to PE via an RC element
*)
PE Metal housing on PE
*) with Bob Smith termination
Assignment of PROFIBUS interface:
PROFIBUS Pin Signal Description
1
5
3
8
3 RX/TX+ Receive/transmit data +
5 GND Reference potential, 1nF/2000V to PE
8 RX/TX– Receive/transmit data –
Shield PE Metal shell