digicon dTower, Руководство по эксплуатации продукта

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7.3 Connection of control signals
Enabling dry contact with 2 relays:
Tower
WARNING
To reduce the risk of electric shock, before maintenance, turn off the
power of the equipment by moving the circuit breaker key to the
position OFF. Leave all maintenance services to qualified technical
professionals.
U
U
U
U
U
U
U
U
U
U
Dry contact
Enab. entry
Enab. exit
7654321
CN2 CN1
Controller board