Rockwell Automation 20-COMM-R Remote I/O Adapter User Manual
Page 56

4-20
Using Discrete and Block Transfer I/O
20-COMM-R Remote I/O Adapter User Manual
Publication 20COMM-UM004D-EN-P
Figure 4.13 SLC 500 Example Ladder Logic for Main Routine (I/O User Logic) -
continued
This rung moves the AT SPEED status bit from the drive to the user display.
0007
I:1.9
8
1747-SN
Drive
AT SPEED
Status
N7:10
2
User
DRIVE AT SPEED
Status
This rung moves the drive Feedback word from the Block Transfer Read file to the Operator Station.
0008
MOV
Move
Source
N11:110
30000 <
Dest
N7:11
30000 <
MOV
This rung executes the I/O BTW logic. See Figure 4.12, SLC Block Transfer I/O Write.
0009
JSR
Jump To Subroutine
SBR File Number
U:3
JSR
This rung executes the I/O BTR Logic. See Figure 4.13, SLC Block Transfer I/O Read.
0010
JSR
Jump To Subroutine
SBR File Number
U:4
JSR
This rung executes the messaging Block Transfer logic. See Figure 5.5, SLC Block Transfer Messaging.
0011
JSR
Jump To Subroutine
SBR File Number
U:5
JSR
0012
END
This rung moves the Reference from the User Operator Station to the Block Transfer Write file where it is moved to the drive by Block Transfer.
0004
MOV
Move
Source
N7:1
30000 <
Dest
N10:10
30000 <
MOV
This rung moves the READY status bit from the drive to the user display.
0005
I:1.9
0
1747-SN
Drive
READY
Status
N7:10
0
User
DRIVE READY
Status
This rung moves the RUNNING status bit from the drive to the user display.
0006
I:1.9
1
1747-SN
Drive
RUNNING
Status
N7:10
1
User
DRIVE RUNNING
Status