GE Multilin 745 Communications Manual page 84

MODBUS PROTOCOL
2–78
F38: Output type (16-bit enumeration)
Value Output type
0 Trip
1 Alarm
2 Control
F39: Cooling type for oil-filled transformers (16-bit enumeration)
Value Output type
0 OA
1 FA
2 Non-directed FOA/FOW
3 Directed FOA/FOW
F40: Winding selection (16-bit enumeration)
Value Winding
0 None
1 Winding 1
2 Winding 2
3 Winding 3
F41: RTD type (16-bit enumeration)
Value RTD type
0 100 ohm Platinum
1 120 ohm Nickel
2 100 ohm Nickel
3 Monthly average
F42: Analog input range (16-bit enumeration)
Value Range
0 0 to 1 mA
1 0 to 5 mA
2 4 to 20 mA
3 0 to 20 mA
F43: Asserted / not asserted selection (16-bit enumeration)
Value State
0 Not asserted
1 Asserted
F44: Operation status (16-bit bitmask)
Bitmask Status
–––– –––– –––– –––0 Code programming mode disabled
–––– –––– –––– –––1 Code programming mode enabled
–––– –––– –––– ––0– Setpoint access jumper disabled
–––– –––– –––– ––1– Setpoint access jumper enabled
–––– –––– –––– –0–– Factory service mode disabled
–––– –––– –––– –1–– Factory service mode enabled
–––– –––– –––– 0––– Communication port passcode access is read and write
–––– –––– –––– 1––– Communication port passcode access is read only
745 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
CHAPTER 2: MODBUS PROTOCOL