FAD-40 Technical Manual, Rev.2.1.0; February 2022
Page 10 of 55
3.2.3. Digital I/O Connection
FAD-40 instruments have
the digital I/O connectors on the instrument’s front. I/O1 is always an output, I/O2 and
I/O3 can be configured for input or output. The I/O connection diagram is shown in Figure 4.3
Figure 4.3
– Digital I/O connection
3.2.4. Serial Interface RS232
You can use the serial interface RS232 with the xFace software for configuration and adjustment.
FAD-40EN,
FAD-40PB,
FAD-40PN and
FAD-40CO
(Front view)
24V 0V
TX RX GND Shield
Figure 4.4
– The pin layout of RS232 connector
3.2.5. Communication Interface
Please refer to the corresponding chapter:
FAD-40 (RS485)
see chapter 6.2
FAD-40MB (Modbus RTU)
see chapter 6.2
FAD-40PB (Profibus)
see chapter 7.2
FAD-40PN (Profinet)
see chapter 8.2
FAD-40EN (Ethernet and Modbus TCP)
see chapter 9.2
FAD-40CO (CANopen)
see chapter 10.2