GE DGP Series Instruction Manual page 214

9.5 MODBUS MEMORY MAPPING
REGISTER BIT ASSIGNMENT
bit 2 = POWER SUPPLY 1:
+12 V Failed
bit 3 = POWER SUPPLY 1 & 2:
+12 V Failed
bit 4 = POWER SUPPLY 1:
–12 V Warning
bit 5 = POWER SUPPLY 2:
–12 V Warning
bit 6 = POWER SUPPLY 1:
–12 V Failed
bit 7 = POWER SUPPLY 1 & 2:
–12 V Failed
bit 8-15 = Spare
180Bh: bit 0 = POWER SUPPLY 1: Warning
PWR2STAT:
bit 1 = POWER SUPPLY 2: Warning
bit 2 = POWER SUPPLY 1: Failed
bit 3 = POWER SUPPLY 1 & 2: Failed
bit 4-15 = Spare
180Ch: bit 0 = Protection Enabled Flag
MISCSTAT:
bit 1 = Digital Output Enable Flag
bit 2 = Case to Ground Shorted
bit 3 = Spare
bit 4 = Fuse Failure
bit 5 = Logon Failure
bit 6 = Remote Manual-Trip Jumper
Installed
bit 7 = Remote Change-Settings
Jumper Installed
bit 8 = TEST MODE Activated
bit 9 = Time Strobe Failed
bit 10 = Digital Output Test Activated
bit 11 = 94G-A Trip Continuity Error
bit 12 = 94G-B Trip Continuity Error
bit 13 = 94G-C Trip Continuity Error
bit 14 = 94G-D Trip Continuity Error
9 bit 15 = Spare
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DGP Digital Generator Protection System
9 COMMUNICATIONS
GE Power Management