OF+SD24 Indication Auxiliary
Overview
The OF+SD24 indication auxiliary is used to find out the status (OF) and the tripping status upon a fault (SD) of the following circuit breakers and earth-leakage devices:
-
C60 circuit breaker
-
C120 circuit breaker
-
DPN circuit breaker
-
DPN Vigi residual current circuit breaker
-
ID residual current circuit breaker
-
C60H-DC miniature circuit breaker
-
SW60-DC switch disconnector
-
C60PV-DC miniature circuit breaker
-
C60NA-DC switch-disconnector
-
C120NA-DC switch-disconnector
The Modbus information in the following table is given for an OF+SD24 auxiliary connected to channel 1.
|
Description |
Address(1) |
Type |
Action |
Values and meanings |
|---|---|---|---|---|
|
Status |
||||
|
OF status |
0x3778 |
BITMAP |
R |
bit 0 = 0: circuit breaker open bit 0 = 1: circuit breaker closed |
|
SD status |
0x3778 |
BITMAP |
R |
bit 1 = 0: device tripped (fault present) bit 1 = 1: device not tripped |
|
Counters |
||||
|
Number of circuit breaker opening/closing cycles |
0x3784 |
UINT32 |
RW |
– |
|
Number of trippings |
0x3786 |
UINT32 |
RW |
– |
|
Load running time |
0x3788 |
UINT32 |
RW |
in hours |
|
(1) To address the channel N (1≤ N ≤ 11) registers, add 40 × (N – 1) to the channel 1 registers. |
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