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Low voltage detected. The operat-
ing voltage is below the safe
range.
Reserve
Device tripped. A reset command
has to be sent.
No error
The circuit protector is not param-
eterized.
Internal error detected.
Reserve
Reserve
Internal ELBus
®
error detected
(temporary disruption). This error
can be caused by strong EMI.
Reserve
No device available.
Table 15: Channel diagnosis REX12D/REX22D
7.3.18 Error Memory REX12D/REX22D
Register 4(01...16)11 for channel 1 - 16, readable, functional code 3.
Parameters holds the internal error memory of the circuit protector.
value range: 0 – 255
data length: 1 word
description
no parameters available
error parameter memory
error programme memory
error data memory
error control unit
reset through watchdog
Reserve
Reserve
Table 16: Error memory REX12D/REX22D
32
bit 7
bit 6
bit 5
1
0
0
1
0
0
1
0
0
0
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
0
0
0
bit 7
bit 6
bit 5
128
64
32
0/1*
bit 4
bit 3
bit 2
1
0
0
1
0
1
1
1
0
0
0
0
1
0
1
1
1
0
1
1
0
1
1
0
1
1
0
1
1
1
0
0
0
bit 4
bit 3
bit 2
16
8
4
0/1*
0/1*
0/1*
bit 1
bit 0
1
1
0
0
0
0
0
0
1
1
0
0
0
1
1
1
1
1
0
0
1
0
bit 1
bit 0
2
1
0/1*
0/1*
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