TEL TAVRIDA ELECTRIC VCB15 LD, User Manual

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4.2.8 CM relay contacts operation
Relay contacts of CM_16_1 change their state as described below.
Table 12 - CM relay Ready contacts operation
CM state
Relay Ready contacts state
NO NC
CM is ready for close or open operation Open Closed
CM is not ready for close or open operation Closed Open
Table 13 - CM relay “ISM main contact position“ contacts operation
ISM state
Relay
“
ISM main contact position“ contacts state
NO NC
ISM is closed Open Closed
ISM is open Closed Open
Table 14 - CM relay Malfunction contacts operation
CM state
Relay Malfunction contacts state
NO NC
Power supply voltage is absent for more than 1.5
seconds (1 blink of LED Malfunction)
Closed Open
Exessive trip or close time (2 blinks of LED Malfunc-
tion)
Open Closed
Actuator coil isolated (3 blinks of LED Malfunction) Open Closed
Short circuit of Actuator coil (4 blinks of LED Mal-
function)
Open Closed
Manual Trip and Lock (5 blinks of LED Malfunction) Closed Open
Overheat (6 blinks of LED Malfunction) Closed Open
State of ISM is not defined (7 blinks of LED Malfunc-
tion)
Open Closed
Internal fault of CM (continuous light of LED Mal-
function)
Open Closed
5. Commissioning