isel
- CAN - I/O
– Modules: Operating Instruction
Page - 13
2.5
Assembly, installation, connection
Be sure that the jumper settings are correct before you build in the CAN-I/O
module into a Control cabinet or another device (refer to chapter 2.4).
2.5.1
Base connection (Logic voltage and CAN bus)
If you have configured the DIP switches the module can be built in to the intended
mounting place.
Now the 24V-power supply (logic voltage) must be connected with X1 (see
connection assignment). Also the CAN- bus interface connection must be plugged in
(CAN In must be connected)
If the CAN-I/O-module is the last device in the CAN-topology the DIP-switch 8
must be
set to “on” to enable the terminating resistor.
2.5.2
Digital inputs
The digital inputs of the CAN-I/O-modules are realized using 24V-DC process
voltage. They can be connected to process sensors as follows:
The reference potential (+24VDC, GND) for the external sensor (in the principle
drawing a simple switch) is the process voltage.
The input load is about 8mA.
