Automation Direct D0-DEVNETS, User Manual

Page: 41 / 78

Appendix C
Image T
able
Mapping
Image Table Mapping
C–8
D0–DEVNETS DeviceNet Slave
Module User Manual, Rev A
PLC Mode Image Table Mapping
1 byte
I/O Image
Input Size
Read
Write
1 byte
Output Size
Inputs
00:RUN Mode
03:STOP Mode
Outputs
01:RUN Request
02:STOP Request
Dec. Bit 07 06 05 04 03 02 01 00
Size
Oct. Bit 07 06 05 04 03 02 01 00
RUN
Request
0 0 0 0 0 0 0 1
Read Byte 1
STOP
Request
0 0 0 0 0 0 1 0
Read Byte 1
STOP 0 0 0 0 0 0 0 0
W it B t 1
RUN
Write Byte 1
Adapter Input/Output Status Word
Polling format that the DO–DEVNETS (slave) transmits to a master.
Address Bytes Data Comment
Bit 0: Not used
Bit 1: Not used
+ 0 1 I/O Status
Bit 2: Not used
Bit 3: Node Error (Node number has changed)
ON: Error/OFF: Normal
+ 0 1 I/O Status
ON: Error/OFF: Normal
Bit 4: IDLE (Output is IDLE)
ON: Idle/OFF: Normal
ON: Idle/OFF: Normal
Bit 7: OUTPUT Status
ON: Enable/OFF: Disable
+ 1 1 PLC Mode
00: Mode = STOP
03: Mode = RUN
Polling format that a master transmits to a DO–DEVNETS (slave).
Address Bytes Data Comment
No Code No request
+ 0 1
C3h Enable OUTPUT
+ 0 1
3Ch Disable OUTPUT
+ 1 1
PLC Mode
01: RUN request
02: STOP request