ABB ATS022 Installation And Operating Instructions Manual page 34

Installation and operating instructions, ATS022
In automatic configuration, DI10 is managed as follows:
• LN1 present: DI10 determines the activation and deactivation of the generator.
• Switching in progress or line LN2 present: DI10 is ignored by ATS022.
When changing over from automatic to manual, DI10 is handled differently depending on the initial state
of the command to the generator:
• gen stop active: DI10 determines the activation and deactivation of the generator.
• gen start active: the generator is kept active, even with DI10 disabled. To return to controlling the
generator with DI10, you need to follow this sequence: 1) DI10 activated 3) DI10 deactivated.
With DI9 active, the status of DI10 is not taken into account in the management of the generator.
• Enabling automatic switching logic: this function makes it possible to inhibit the automatic
switching logic of the device following an alarm present in the field.
The logic can, however, be disabled if one of the conditions involving the disabling exist
Contact type set
NC
NO
• Reset from Remote: this function allows reset of the device logic in remote by means of remote
actuator.
Contact type set
NC
NO
• Emergency Block: this function allows prior opening of both circuit breakers of the power supply
and emergency lines and permanent disabling of the switching logic. This function can be used, for
example, in case of an alarm coming from a fire-fighting system which requires immediate opening of
the circuit breakers and disabling of the switching logic.
Contact type set
NC
NO
Input DI10 may be set as normally open (NO) or normally closed (NC) by means of the menu on the
graphic display.
DI11 CB3 circuit breaker status signal
Input DI11 is connected to the CB3 circuit breaker status auxiliary contacts.
• DI11 open: CB open
• DI11 closed: CB closed
1SDH000760R0002
Description of function
Closed = switching enabled;
Open switching disabled
Open = switching enabled;
Closed switching disabled
Description of function
Closed = remote reset not active;
Open = remote reset active
Closed = remote reset active;
Open = remote reset not active
Description of function
Closed = emergency block not active;
Open = emergency block active
Closed = emergency block active;
Open = emergency block not active
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6. Input and output signals