Manual 37353A
MFR 13 Packages - Protection Relay
Page 74/91
© Woodward
Appendix D.
Interface Telegram
Communication Interface Addresses
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Transmission Message
Number
Content (words)
Unit
Remark
3964 Modbus CAN
bus
Profibus
00 01
1
(02, 03)
MUX=1
,
1
0
Telegram header
"302"
Telegram type
02 03
2
(04, 05)
MUX=1
,
2
1
Voltage L12
V
04 05
3
(06, 07)
MUX=1
,
3
2
Voltage L23
V
06 07
4
(08, 09)
MUX=2
,
1
3
Voltage L31
V
08 09
5
(10, 11)
MUX=2
,
2
4
Voltage L1N
V
10 11
6
(12, 13)
MUX=2
,
3
5
Voltage L2N
V
12 13
7
(14, 15)
MUX=3
,
1
6
Voltage L3N
V
14 15
8
(16, 17)
MUX=3
,
2
7
Frequency L12
Hz × 100
16 17
9
(18, 19)
MUX=3
,
3
8
Current L1
A
18 19
10
(20, 21)
MUX=4
,
1
9
Current L2
A
20 21
11
(22, 23)
MUX=4
,
2
10
Current L3
A
22 23
12
(24, 25)
MUX=4
,
3
11
Power factor (cosphi)
dim.less × 100
24 25
13
(26, 27)
MUX=5
,
1
12
Real power
kW
26 27
14
(28, 29)
MUX=5
,
2
13
Reactive power
kvar
28 29
15
(30, 31)
MUX=5
,
3
14
Busbar voltage L12
V
30 31
16
(32, 33)
MUX=6
,
1
15
Busbar voltage L12
Hz × 100
32 17
(34)
MUX=6
,
2
16
dim.less VGN
33 17
(35)
MUX=6
,
2
16
Exponent
dim.less IGN
34 18
(36)
MUX=6
,
3
17
dim.less PGN/QGN
35 18
(37)
MUX=6
,
3
17
Exponent
dim.less VSS
36 37
19
(38, 39)
MUX=7
,
1
18
kWh High
Word
38 39
20
(40, 41)
MUX=7
,
2
19
Generator real energy
Low
Word
40 41
21
(42, 43)
MUX=7
,
3
20
Internal alarms 1
Bit 15 = 1 \
Bit 14 = 0 /
Overfrequency level 2
Bit 13 = 1 \
Bit 12 = 0 /
Underfrequency level 2
Bit 11 = 1 \
Bit 10 = 0 /
Overvoltage level 2
Bit 9
= 1 \
Bit 8
= 0 /
Overvoltage level 2
Bit 7
= 1 \
Bit 6
= 0 /
Unbalanced load
Bit 5
= 1 \
Bit 4
= 0 /
Overcurrent level 1
Note (example bit 15/14):
Bit 3
= 1 \
Bit 2
= 0 /
Overload
0/1 = alarm not triggered
1/0 = alarm triggered
Bit 1
= 1 \
Bit 0
= 0 /
Reverse/reduced power