Allen-Bradley DeviceNet 1203-GK5 User Manual

Creating a Ladder Logic Program 5-5
Figure 5.2
Example PLC Ladder Logic Program (Continued)
The following table represents the control file for the block transfers.
0007
I:000
12
Operator Input
Drive Jog
Command Bit
N10:1
2
1305 Drive
JOG
Command Bit
0008
I:000
13
Operator Input
Drive Clear Faults
Command Bit
N10:1
3
1305 Drive
CLEAR FAULT
Command Bit
0009
MOV
Move
Source N21:0
0<
Dest N10:2
0<
MOV
1305 Drive
REFERENCE
Command Word
The Block Transfer Write in this rung send the drive command data to the scanner and out to the drive via DeviceNet.
0010
BT20:0
EN
EN
DN
ER
BTW
Block Transfer Write
Module Type Generic Block Transfer
Rack 000
Group 0
Module 0
Control Block BT20:1
Data File N10:0
Length 62
Continuous No
BTW
0011
END
This rung enables the scanner.
0004
N10:0
0
1771-SDN Scanner
Port A Enable
Rungs 0005 through 0009 move the operator’s inputs from the operator station to the Block Transfer Write data file
where they will be sent to the scanner and out to the drive via DeviceNet.
0005
I:000
10
Operator Input
Drive Start
Command Bit
N10:1
1
1305 Drive
START
Command Bit
0006
I:000
11
Operator Input
Drive Stop
Command Bit
N10:1
0
1305 Drive
STOP
Command Bit
Offset EN ST DN ER CO EW NR TO RW RLEN DLEN FILE ELEM R G S
BT20:000000000062 0 9 0 0000
BT20:100000000062 0 10 0 0000
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Allen-Bradley DeviceNet 1203-GK5 Specifications

General

Brand	Allen-Bradley
Model	DeviceNet 1203-GK5
Category	Control Unit
Language	English