Acrel APM Series User Manual

20
Table 2: Alarm classification description:
Alarm categories
Alarm subcategories
Alarm content
Alarm
communication
code
Symbol I
Symbol II
AT01
(Overcurrent)
I Over
1 A
Phase A overcurrent
0
2 B
Phase B overcurrent
1
3 C
Phase C overcurrent
2
4 MAX
Maximum overcurrent
3
5 N
Neutral overcurrent
4
AT02
(Undercurrent)
I Unde
1 A
Phase A undercurrent
5
2 B
Phase B undercurrent
6
3 C
Phase C undercurrent
7
4 MAX
Minimum undercurrent
8
5 N
Neutral undercurrent l
9
AT03
(Overvoltage)
U Over
1 A
Phase A overvoltage
12
2 B
Phase B overvoltage
13
3 C
Phase C overvoltage
14
4 L-N
Maximum phase overvoltage
15
5 AB
Phase AB overvoltage
16
6 BC
Phase BC overvoltage
17
7 CA
Phase CA overvoltage
18
8 L-L
Maximum line overvoltage
19
AT04
(Undervoltage)
U Unde
1 A
Phase A undervoltage
20
2 B
Phase B undervoltage
21
3 C
Phase C undervoltage
22
4 L-N
Minimum phase undervoltage
23
5 AB
Phase AB undervoltage
24
6 BC
Phase BC undervoltage
25
7 CA
Phase CA undervoltage
26
8 L-L
Minimum line voltage undervoltage
27
AT05
(Overpower)
P Over
1 P
Total active overpower
31
2 Q
Total reactive overpower
32
3 S
Total apparent overpower
33
AT06
(Underpower)
P Unde
1 P
Total active underpower
34
2 Q
Total reactive underpower
35
3 S
Total apparent underpower
36
AT07 (Demand
alarm)
Pd dMd
1 Over
Overdemand alarm of active power
59
2 Unde
Underdemand alarm of active power
60
AT08 (Power
factor alarm)
PF PF
1 Over
Total over power factor
37
2 Unde
Total under power factor
38
AT09 (Total
Harmonic Alarm)
THD
1 IA
Over THD of Phase A current
41
2 IB
Over THD of Phase B current
42
3 IC
Over THD of Phase C current
43

Acrel APM Series Specifications

General

Brand	Acrel
Model	APM Series
Category	Measuring Instruments
Language	English