
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