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88
17.4 RELAY UNIT ASTRA-823
LED
Status
LED
« »
Onset Conditions
Power normal Lights green const. Supply voltage is normal, from 11 to 15.5 V
Power failure
Blinks red Supply voltage is below normal, from 11 to 10.3 V
Not lit Supply voltage is below 10.3 V (failure status)
LED
«
1
», «
2
», «
3
» and «
4
»
Status
LED
Onset Conditions
«1» / «2» «3» / «4»
No communication
with Control Panel
All blink red synchronously
No data exchange via RS-485 interface
due to interface failure
Not registered
Not lit
Relay Unit is not registered or registration
data are cleared as a result of device reset
to default settings
Relay open
Blink green
-
Load circuit integrity supervision
Relay closed Light green const. -
Load circuit shorting
Blink green
-
Any state of relay
Load circuit cut Light red const. -
Relay open Light red const.
Blink green
AC/DC 250 V circuit switching
Relay closed Light red Light green