6
Electrical installation
Terminal assignment and DIP switches
Manual – DHE/DHF/DHR21B (standard) and DHE/DHF/DHR41B (advanced)
38
Wiring diagram
Assignment
No. Name Function
X37 1 TX+ Transmit line (+)
2 TX- Transmit line (-)
3 RX+ Receive line (+)
4 Reserved –
5 Reserved –
6 RX- Receive line (-)
7 Reserved –
8 Reserved –
6.2.12 X38: SEW safety bus connection
Function
Connection to the bus system SEW safety bus
Assignment
No. Name Function
X38 1 CANH CAN High
2 CANL CAN Low
3 DGND CAN reference potential
6.2.13 DIP switchS1 for DH.21B/41B
You can use DIP switchS1 to set a default IP address for the Ethernet2 connection
(X37). This IP address will be applied with the next boot process.
Switch position Meaning
Up IP parameters:
• IP address: 192.168.10.4
• Subnet mask: 255.255.255.0
• Standard gateway: 1.0.0.0
22900055/EN – 08/2016