Table 13.2
Relay, normally de-energised coil
NO
Function
Coil
NO circuit
(1)
(2)
(3)
1.
Function
: The digital output function assigned to the terminals. The controller
software activates the function. For example:
Breakers > [Breaker] > Command
> [*B] Close
.
2.
Coil
: The controller energises the relay coil when the function is activated.
3.
Normally open circuit
: The normally open circuit closes when the coil is
energised.
Table 13.3
Relay, normally energised coil
NO
Function
Coil
NO circuit
(1)
(2)
(3)
1.
Function
: The digital output function assigned to the terminals. The controller
software activates the function. For example:
Breakers > [Breaker] > Command
> [*B] Close
.
2.
Coil
: The controller de-energises the relay coil when the function is activated.
3.
Normally open circuit
: The normally open circuit opens when the coil is de-
energised.
DESIGNER'S HANDBOOK 4189340911K UK
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