Operation Manual 37107F
MFR 3 - Multi Function Relay
© Woodward
Page 149/165
MUX
No.
Content (words)
Unit Comment
16/2 50 Generator active energy (
H.W.
)
kWh
×
2
16
Double word
16/3 51 Generator active energy (
L.W.
)
kWh
17/1 52 Battery voltage
V / 10
17/2 53 Internal alarms 1
Bit 15 = 1 \
Bit 14 = 1 /
F3: Generator overfrequency 1
Bit 13 = 1 \
Bit 12 = 1 /
F3: Generator underfrequency 1
If both bits are set for double bits, the
input is activated.
FS: Control input, not active
F0: Class F0 alarm, not active
F1: Class F1 alarm, active until ac-
knowledged
F2: Class F2 alarm, active until ac-
knowledged
F3: Class F3 alarm, active until ac-
knowledged
Bit 11 = 1 \
Bit 10 = 1 /
F3: Generator overvoltage 1
Bit 9 = 1 \
Bit 8 = 1 /
F3: Generator undervoltage 1
Bit 7 = 1 \
Bit 6 = 1 /
--Internal--
Bit 5 = 1 \
Bit 4 = 1 /
F1: Battery undervoltage
Bit 3 = 1 \
Bit 2 = 1 /
F3: Generator overload
Bit 1 = 1 \
Bit 0 = 1 /
F3: Generator reverse power
17/3 54 Internal alarms 2
Bit 15 = 1 \
Bit 14 = 1 /
F0: Mains overfrequency
Bit 13 = 1 \
Bit 12 = 1 /
F0: Mains underfrequency
If both bits are set for double bits, the
input is activated.
FS: Control input, not active
F0: Class F0 alarm, not active
F1: Class F1 alarm, active until ac-
knowledged
F2: Class F2 alarm, active until ac-
knowledged
F3: Class F3 alarm, active until ac-
knowledged t
Bit 11 = 1 \
Bit 10 = 1 /
F0: Mains overvoltage
Bit 9 = 1 \
Bit 8 = 1 /
F0: Mains undervoltage
Bit 7 = 1 \
Bit 6 = 1 /
Interface fault X1 to X5
Bit 5 = 1 \
Bit 4 = 1 /
--Internal--
Bit 3 = 1 \
Bit 2 = 1 /
F0: df/dt fault
Bit 1 = 1 \
Bit 0 = 1 /
F0: Mains phase/vector jump
18/1 55 Internal alarms 3
Bit 15 = 1 \
Bit 14 = 1 /
F3: Independent
time-overcurrent protection, level 2
Bit 13 = 1 \
Bit 12 = 1 /
--Internal--
If both bits are set for double bits, the
input is activated.
FS: Control input, not active
F0: Alarm class 0, not active
F1: Alarm class 1, active until quit
F2: Alarm class 2, active until quit
F3: Alarm class 3, active until quit
Bit 11 = 1 \
Bit 10 = 1 /
--Internal--
Bit 9 = 1 \
Bit 8 = 1 /
F3: Generator load imbalance
Bit 7 = 1 \
Bit 6 = 1 /
F3: Independent
time-overcurrent protection, level 1
Bit 5 = 1 \
Bit 4 = 1 /
--Internal--
Bit 3 = 1 \
Bit 2 = 1 /
F1: Maintenance call
Bit 1 = 1 \
Bit 0 = 1 /
--Internal--