Example Program - Omron CPM1A Operation Manual

Programming Example

4-4-2 Example Program

Start input
00000 C000
00000
20000
20000 T002
00004
20000 T002
00007
20000 T001
00010
20000
20000 T001
00014
00017
114
The following ladder program will be used to demonstrate how to write a pro-
gram with the Programming Console. This program makes output IR 01000
flicker ON/OFF (one second ON, one second OFF) ten times after input
IR 00000 is turned ON.
Count input
Reset input
The mnemonic list for the example program is shown in the following table. The
steps required to enter this program from a Programming Console are described
in 4-4-3 Programming Procedures.
Address Instruction
00000 LD
00001 OR
00002 AND NOT
00003 OUT
00004 LD
00005 AND NOT
00006 TIM
00007 LD
00008 AND NOT
00009 TIM
00010 LD
00011 AND
00012 LD NOT
00013 CNT
00014 LD
00015 AND NOT
00016 OUT
00017 END (01)
20000 Self-holding bit
TIM 001
1-second timer
#0010
TIM 002
2-second timer
#0020
CP
CNT 000
10-count counter
#0010
R
Flicker output (10 counts)
01000
ON
OFF
END(01)
Data
Programming Procedures
( ) (1) Self-holding bit
00000
20000
CNT 000
20000
20000 ( ) (2) 1-second timer
TIM 002
001
# 0010
20000 ( ) (3) 2-second timer
TIM 002
002
# 0020
( ) (4) 10-count counter
20000
TIM 001
20000
000
# 0010
( ) (5) Flicker output (10 counts)
20000
TIM 001
01000
--- (6) END(01) instruction
Section 4-4
1
S
Programming example
procedures in 4-4-3
g
p ( )