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3.1.4.3 IO3 Module
The IO3 module is used to increase the number of binary outputs.
The IO3 module incorporates 10 auxiliary relays (BO1-BO10) for binary outputs. All auxiliary
relays each have one normally open contact.
A
uxiliary relay
BO2
BO9
BO10
BO1
IO3 module
Binary
output
signals
Figure 3.1.4.4 IO3 Module