GE Motor Protection System, LM10 F21 Motor Status 8-bit Bitmask, F22 Motor Status 16-bit bitmask

DEVICENET OPERATIONS CHAPTER 5: COMMUNICATIONS

Bitmask	Cause of Trip
---- -1-- ---- ----	DeviceNet fault
---- 1--- ---- ----	Reserved
---1 ---- ---- ----	Under/overvoltage

F21: Motor Status (8-bit Bitmask)

Bitmask	Status
---- ---1	Fault
---- --1-	Reserved
---- -1--	Running 1
---- 1---	Running 2
---1 ----	Reserved
--1- ----	Control from DeviceNet
-1-- ----	Aux Sense 1 input status
1--- ----	Aux Sense 2 input status

F22: Motor Status (16-bit bitmask)

Bitmask	Other Settings
---- ---- ---- ---1	Fault
---- ---- ---- --1-	Reserved
---- ---- ---- -1--	Running 1
---- ---- ---- 1---	Running 2
---- ---- ---1 ----	Reserved
---- ---- --1- ----	Control from DeviceNet
---- ---- -1-- ----	Aux Sense 1 input status
---- ---- 1--- ----	Aux Sense 2 input status
---- ---1 ---- ----	Stop switch input status
---- --1- ---- ----	Reset switch input status 2
---- -1--- ---- ----	Run 1 switch input status
---- 1--- ---- ----	Run 2 switch input status

F23: 16-bit Unsigned Integer

Multiplying factor: 0.1

Example: 123.4 stored as 1234

F24: Status Word (16-bit bitmask)

The first, second, and fourth 4-bit sections of the 16-bit status word are bitmasks that indicate the following:

Bitmask	Status
---- ---- ---- ---1	Fault (cause indicated by 2nd byte, see below)
---- ---- ---- --1-	Warning
---- ---- ---- -1--	1 is running
---- ---- ---- 1---	2 is running
---- ---- ---1 ----	Reserved
---- ---- --1- ----	DeviceNet control
---- ---- -1-- ----	DeviceNet active
---- ---- 1--- ----	DeviceNet issued last stop
---1 ---- ---- ----	Reserved
--1- ---- ---- ----	Reserved
-1-- ---- ---- ----	Login > user

5–60 LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL