Omron CPM1A operation manual Example Program, Programming Procedures

Programming Example Section 4-4

4-4-2 Example Program

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.

00000

00004

00007

00010

00014

Start input

00000 C000

20000

20000 T002

20000 T002

20000	T001	Count input	CP
20000			R
		Reset input
20000	T001

20000 Self-holding bit

TIM 001
#0010	1-second timer

TIM 002

2-second timer

#0020

CNT 000

10-count counter

#0010

Flicker output (10 counts)

01000

ON

OFF

00017

END(01) 1S

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		Data		Programming example
					procedures in 4-4-3
					Programming Procedures
00000	LD		00000	(1)	Self-holding bit
00001	OR		20000
00002	AND NOT	C	000
00003	OUT		20000
00004	LD		20000	(2)	1-second timer
00005	AND NOT	T	002
00006	TIM		001
		#	0010
00007	LD		20000	(3)	2-second timer
00008	AND NOT	T	002
00009	TIM		002
		#	0020
00010	LD		20000	(4)	10-count counter
00011	AND	T	001
00012	LD NOT		20000
00013	CNT		000
		#	0010
00014	LD		20000	(5)	Flicker output (10 counts)
00015	AND NOT	T	001
00016	OUT		01000
00017	END (01)		---	(6)	END(01) instruction

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