Rockwell Automation 2706 DL40 HARDWARE USER MANUAL - Manual (Page 119)

Chapter 10
Using Remote I/O
10 – 27
Return Clock or Date Data to PLC
WORD 1
17 16 15 14 WORD 0
Handshake Bit
Input Image Table
Add/Delete Bit = 1
WORD 2 Always Empty
WORD 3
WORD 4
WORD 5
WORD 6
WORD 7
Always Empty
Always Empty
Always Empty
Always Empty
Always Empty
Full rack
1/4 rack
1/2 rack
3/4 rack
Diagnostic Code Hour/Month
Minute/Day Second/Year
Block Transfer
Note: If Block Transfer DIP Switch (Switch 2-4) is enabled, all functions
between the PLC and DL40 must be made by Block Transfer.
Important: The Block Transfer must be configured as non-continuous using
ladder logic consistent with the following:
CONTINUOUS N
BTR BTW
ENABLE ENABLE
BTR
BLOCK TRNSFR READ
RACK
GROUP
MODULE
CONTROL BLOCK
DATA FILE
LENGTH
CONTINUOUS N
BTR BTW
ENABLE ENABLE
BTW
BLOCK TRNSFR WRITE
RACK
GROUP
MODULE
CONTROL BLOCK
DATA FILE
LENGTH
Triggering a Message (Block Transfer Write)
Note: If Block Transfer Write Length is set to 0 in the PLC program, a
default length of 32 will be used.