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EM-6489-B Rev.9 P. 29 / 47
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DISCRETE I/O
DO
DI
RGTR. WORD PARAMETER
3073
1
Discrete input status
3105
1
Discrete output 1
The discrete output status can be changed by writing at this address from the host if no function is assigned.
3106
1
Discrete output 2
The discrete output status can be changed by writing at this address from the host if no function is assigned.
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ERROR, ALARM
RGTR. PARAMETER
8001
Overload input
Bit assignment as shown below.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
F
U31 U23 U12
U3N U2N U1N
l3
l2
l1
‘1’ is placed when the respective inputs are overload.
8002
Number of alarm trips
Shows number of alarms presently triggered.
8003
System error
Bit assignment as shown below.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
STAT AVG ENE SET FDT PRG
PGR : Control software error
FDT : Factory calibration data error
SET : User setting data error
ENE : Energy data error
AVG : Average data error
STAT : Maximum / minimum data error
‘1’ is placed when the respective errors are detected. All measuring operations stop while one or more system errors are
detected.
8004
Reserved
8005
I1 thr. I3 - Current : Alarm
Bit assignment as shown below.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
l3
HI
l2
HI
l1
HI
l3
LO
l2
LO
l1
LO
‘1’ is placed when the respective values are out of the predetermined ranges. ‘0’ in all bits means that no alarm is
tripped.
8006
IN - Neutral current : Alarm
3P4W
3.00
Bit assignment as shown below.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
IN
HI
IN
LO
‘1’ is placed when the value is out of the predetermined range. ‘0’ in all bits means that no alarm is tripped.
8007
U12 thr. U31 - Delta voltage : Alarm
Bit assignment as shown below.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
U31
HI
U23
HI
U12
HI
U31
LO
U23
LO
U12
LO
‘1’ is placed when the respective values are out of the predetermined ranges. ‘0’ in all bits means that no alarm is
tripped.
8008
U1N thr. U3N - Phase voltage : Alarm
Bit assignment as shown below.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
U3N
HI
U2N
HI
U1N
HI
U3N
LO
U2N
LO
U1N
LO
‘1’ is placed when the respective values are out of the predetermined ranges. ‘0’ in all bits means that no alarm is
tripped.
8009
P - Active power : Alarm
Bit assignment as shown below.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
P
HI
P
LO
‘1’ is placed when the value is out of the predetermined range. ‘0’ in all bits means that no alarm is tripped.