Allen-Bradley 1747-ASB User Manual

Publication 1747-UM006B-EN-P - June 2003
Application Examples 8-15
Application Example Program
Shown below is an excerpt from the user program. When the switch is
closed, bulbs 1 and 2 turn on and the decimal value 5555 is moved to
analog output 1 and is converted to an analog signal.
The following is another representation of what is discussed above.
This application consists of a PLC-5/40 processor controlling local and
remote I/O.
] [
I:3.17
1
( )
O:3.0
MOV
MOVE
Source 5555
Dest O:3.15
12
( )
O:3.19
12
Switch
(1)
Meter
Bulb 1
(2)
Bulb 2
(1) Input bits 16–31 must be converted to 0–15 by subtracting 16. Therefore, Input bit 17 is converted to 1.
(2) Input and Output bits 0–7 must be converted to 8–15 by adding 8. Therefore, Input bit 12 is converted to 4.
012 3
01 234 56
012 3
SLC 5/02 1746-OW8 1746-IA8 1747-SN ASB 1 1746-NIO4I 1746-IV32 1746-OV32 1746-OB16 1746-OA16 ASB 2 1746-OA8 1746-IO12 1746-IA16 EMPTY
RediPANEL
The meter is connected
to output 1.
The switch is connected
to input 17.
Bulb 2 is connected
to output 12.
Bulb 1 is connected
to output 4.
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Allen-Bradley 1747-ASB Specifications

General

Brand	Allen-Bradley
Model	1747-ASB
Category	Control Unit
Language	English