GE Industrial Solutions MX350 Communications Guide User Manual
Page 61

COMMUNICATIONS GUIDE
RS485 INTERFACE (MODBUS RTU)
MX350 AUTOMATIC TRANSFER CONTROL SYSTEM – COMMUNICATIONS GUIDE
57
Bit 28
Process ILock J Alarm
FC180
32 bits
Alarm Status 2
Bit 17
Self Test Alarm
Bit 18
Comm Fail Alarm
FC181
32 bits
Alarm Status 3
Bit 13
Bypass ATS on S2
Bit 14
Bypass ATS on S1
Bit 15
S1 OK
Bit 16
S2 OK
Bit 17
Voltage Diff > 5%
Bit 18
Low Power Factor
Bit 19
Overpower kW
Bit 20
Phase A Overcurrent
Bit 21
Phase B Overcurrent
Bit 22
Phase C Overcurrent
Bit 23
Neutral Overcurrent
Bit 20
S1 to S2 Manual Xfer
Bit 21
S2 to S1 Manual Xfer
Bit 22
S1 Volt THD
Bit 23
S2 Volt THD
Bit 26
Current THD
FC182
32 bits
Alarm Status 4
Bit 0
CTAP Audible Alarm
Bit 1
S2 Shunt Fault
Bit 2
S1 Undervoltage
Bit 3
S1 Overvoltage
Bit 4
S1 Underfrequency
Bit 5
S1 Overfrequency
Bit 6
S2 Undervoltage
Bit 7
S2 Overvoltage
Bit 8
S2 Underfrequency
Bit 9
S2 Overfrequency
Bit 10
S1 Volt Imbalance Alarm
Bit 11
S2 Volt Imbalance Alarm
Bit 12
Inhibited via Disconnect Switch
Bit 13
Switch Exercising
Bit 14
Neutral Position
Bit 15
Xfer to Alternate Source
Bit 16
S1 to S2 Auto Xfer Alert
Bit 17
S2 to S1 Auto Xfer Alert
Bit 18
S1 to S2 Inhibit
Bit 19
S2 to S1 Inhibit
Bit 20
Engine Start
Bit 21
Auto Load Shed Active
Bit 22
Not in Auto
Bit 23
S1 Failure
Bit 24
Alternate Source Fail to Start
Code
Type
Definition