Rockwell Automation 1771-DCM USER MANUAL 1771-DCM - Manual (Page 29)

Programming the 1771-DCM
Chapter 6
6Ć8
Figure 6.5
Block Transfer Programming Example for PLC-3 Supervisory Processor
EN FILES FROM A TO R
File A:
File R:
Counter:
FB002:0000
FB004:0000
C0005
Pos/Len: 0/ 64
Mode: ALL/SCAN
C0005
12
DN
C0005
15
15
WB001:0000
10
WB002:0000
Buffer File
Data Valid Bit
BTR Done Bit
ER
C0005
13
LE
BLOCK XFER READ
Rack:
Group:
Module:
Data:
002
0
0 = Low
FB002:0000
Length: 064
CNTL: FB001:0000
CNTL
12
DN
CNTL
15
15
WB001:0000
BTR Done Bit
ER
CNTL
13
LE BLOCK XFER WRITE
Rack:
Group:
Module:
Data:
002
0
0 = Low
FB003:0000
Length: 064
CNTL: FB001:0000
CNTL
02
DN
CNTL
05
ER
CNTL
03
MVF
MVF
BTW
BTR
17
WB001:0000
Read Request