21
6
Communication Ports
6.1
I/O circuit board
Fig. 6-1 I/O circuit board
Pos Description
1
X102: Serial RS485 interface.
2
X100: Multifunction relay, max. 24V, 1A.
3
X101: Ripple control signals: 4 digital inputs
for potential-free relay contacts.
4
X103: Digital in/outputs (S0 signals), max.
input 24V, max. output 5 V, 10 mA.
Connection of the communication interfaces:
Step
Description
1
Disconnect voltage sources (see section 5.5).
2
Use the corresponding cable ducts for the supply cables (see Fig. 5-1).
3
Select the correct interface (see the following section). Press down the spring contact to insert the cable.
Wiring the communication ports: