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Address
Measured value
5Ah
Maintenance operations Source 2
21C0h
OR of all user limit thresholds
1D00h
Counter CNT 1
1D02h
Counter CNT 2
1D04h
Counter CNT 3
1D06h
Counter CNT 4
1D08h
Counter CNT 5
1D0Ah
Counter CNT 6
1D0Ch
Counter CNT 7
1D0Eh
Counter CNT 8
9Ah
Alarms (1)
9Ch
Alarms (2)
The 32 bits of the alarms for the address 9Ah (1) have the following meaning:
Bit
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
3KC ATC6500 transfer control device
Manual, 05/2019, L1V30538268002A-01
Alarm
Description
code
A01
Battery voltage too low
A02
Battery voltage too high
A03
Source 1 circuit breaker (BRK1) timeout
A04
Source 2 circuit breaker (BRK1) timeout
A05
Source 1 wrong phase sequence (SRC1)
A06
Source 2 wrong phase sequence (SRC2)
A07
Load not powered timeout
A08
Emergency
A09
Source 1 breaker protection trip
A10
Source 2 breaker protection trip
A11
Breaker 1 (BRK1) withdrawn
A12
Breaker 2 (BRK2) withdrawn
A13
Generator Source 1 not available
A14
Generator Source 2 not available
A15
Maintenance hours Source 1
A16
Maintenance hours Source 2
A17
Maintenance operations Breaker 1 (BRK1)
A18
Maintenance operations breaker 2 (BRK2)
A19
Auxiliary voltage failure
A20
Timeout tie breaker TB
A21
Tripping of the protection device of tie breaker TB
A22
Tie breaker (TB) withdrawn
UA1
User alarm UA1
UA2
User alarm UA2
UA3
User alarm UA3
UA4
User alarm UA4
MODBUS communication
10.4 Data library
Unit
Format
no.
unsigned integer
bits
long
UM1
long
UM2
long
UM3
long
UM4
long
UM5
long
UM6
long
UM7
long
UM8
long
bits
unsigned long
bits
unsigned long
193
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