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12.3 External connections to I/O module type 2
Inputs
The signal level may be 5 - 24V DC/AC or 100 - 240V AC. At 5 - 24V, the signal reference must be
connected to 3 and at 100 - 240V to 4.
Note!
Do not mix potentials on the inputs.
Connecting excessive voltage (> 24V) to connection 3 may damage the I/O modules.
1
2
3
4
5
6
7
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10
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fig.6236
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Summary of Contents for W555H
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