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4 Electrical connection
4.3 Connection elements
Front USB host interface (without cover)
Back connection elements
Connection element and assignment Connection element and assignment
1. USB device interface 2. Ethernet interface
3. RS232/RS485 interface 4. Relay
5. Voltage supply 6. Digital inputs 1 to 6, analog output 1
7. Analog input 1 8. Analog input 2
9. Analog input 3 10. Digital inputs 7 to 12, analog output 2
11. Analog input 4 12. Analog input 5
13. Analog input 6 14. Digital inputs/outputs 1 to 6
15. Digital inputs/outputs 7 to 12
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