CPM1A Programmable Controllers Operation Manual 1784470
• Relay Output Units and Transistor Output Units of CPM1A CPU Units with AC
power supplies do not conform to EC Directives.
xxi
EC Directives 6
All Expansion I/O Units except for the CPM1A-20EDR conform to EC Directives.
To ensure that the machine or device in which the CPM1A PC is used complies
with EC Directives, the PC must be installed as follows:
1, 2, 3... 1. The CPM1A PC must be installed within a control panel.
2. Reinforced insulation or double insulation must be used for the DC power
supplies used for the PC and I/O power supplies.