SEW-Eurodrive DH 41B Series - Binary Inputs and Outputs; Diagnostic Leds

4
Device structure
Communication interfaces
Manual – DHE/DHF/DHR21B (standard) and DHE/DHF/DHR41B (advanced)
16
Ethernet 2
You can implement the following functions and connections using the Ethernet 2 en-
gineering interface:
• Connecting a DOP11B operator panel
• PC visualization (e.g. OPC interface)
• Connection to master level
4.4.3 Binary inputs and outputs
The digital inputs and outputs of the controller enable you to switch actuators (e.g.
valves) and evaluate digital input signals (e.g. sensors).
4.4.4 Diagnostic LEDs
The LEDs of the DH.21B/41B controller indicate the following states:
• Voltage supply of the digital inputs and outputs
• General state of the DH.21B/41B controller
• State of the control program
• State of the fieldbus interface (DHF/DHR)
• State of the Ethernet 1 system bus interface
• State of the Ethernet 2 engineering interface
• State of the CAN1/CAN2 system bus interface
22900055/EN – 08/2016