GE 469

COMMUNICATIONS GUIDE DEVICENET PROTOCOL
469 MOTOR MANAGEMENT RELAY – COMMUNICATIONS GUIDE 141
The data type definitions are as follows:
The figure below illustrates the bit placement rules associated with the Compact Encoding
of a FixedLengthBitString used in DeviceNet data.
F162 Unsigned 16 bit integer
RELAY STATUS
BIT 0 Reserved
BIT 1 Reserved
BIT 2 Relay in service
BIT 3 Active trip condition
BIT 4 Active alarm condition
BIT 5 In simulation mode
BIT 6 Motor overloaded
BIT 7 Motor tripped
BIT 8 Motor stopped
BIT 9 Motor starting
BIT 10 Motor running
BIT 11 Overload pickup
BIT 12 Unbalance pickup
BIT 13 Ground pickup
BIT 14 Hot RTD
BIT 15 Loss of load
F163 Unsigned 16 bit integer
INPUT SWITCHES AND OUTPUT RELAY
STATUS
BIT 0 Trip
BIT 1 Auxiliary 2
BIT 2 Auxiliary 3
BIT 3 Alarm
BIT 4 Block start
BIT 5 Service
BIT 6 Access switch
BIT 7 Test switch
BIT 8 Starter switch
BIT 9 Emergency restart switch
BIT 10 Remote reset switch
BIT 11 Assignable switch 1
BIT 12 Assignable switch 2
BIT 13 Assignable switch 3
BIT 14 Assignable switch 4
BIT 15 Trip coil
Data type Description Range
SSINT signed short integer 8bit (2’s compliment) –128 to 127
USINT unsigned short integer 8bit 0 to 255
SINT signed integer 16bit (2’s compliment) –32768 to 32767
UINT unsigned integer 16bit 0 to 65535
SDINT signed double integer 32bit (2’s compliment) –2147483648 to 2147483647
UDINT unsigned double integer 32bit 0 to 4294967295