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ModCon®75 Touch
Figure 12. Guide Tunnel
Removing the CPU
1. Power off the HMI panel before removing the CPU.
2. Disconnect the RS485 connector.
3. Disconnect the I/O module connected to the CPU (by pushing the Bus Connector lock
to the right).
4. On the CPU, pull the top DIN-rail clip up and the bottom clip down to the unlocked
position as shown in Figure 11.
5. Pull the CPU out of its place.
About the CPU I/O Bus Connector
•
The IO/COM Bus connector on the right side of the CPU provides the electrical
connection point for the I/O module. The connector is shipped covered by a protective
cover, protecting the connector from debris, damage and ESD.
RS485
•
Disconnect power before making any communications connections.
FAILURE TO FOLLOW THIS WARNING CAN RESULT IN SERIOUS PERSONAL
INJURY OR LOSS OF LIFE.