Omron CPM1A series PLC basic instructions - Database & Sql Blog Articles

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The basic logic instructions of the OMRON CPM1A series plc are similar to those of the FX series PLC. The ladder diagrams are also roughly the same. The list here shows the basic logic instructions of the CPM1A series PLC (see Table 4-8).

Table 4-8 Basic logic instructions of CPM1A series PLC

Instruction name

Command character

Features

Operand

take

LD

Read the first normally open contact of a logic line or circuit block

00000~01915

20000~25507

HR0000~1915

AR0000~1515

LR0000~1515

TIM/CNT000~127

TR0~7

*TR is only used for LD instructions

Negate

LD NOT

Read the first normally closed contact of a logical line or circuit block

versus

AND

Connect a normally open contact

And non

AND NOT

Connect a normally closed contact

or

OR

Parallel a normally open contact

Or

OR NOT

Parallel a normally closed contact

Circuit block and

AND LD

Connect one circuit block in series

no

Circuit block or

OR LD

Parallel one circuit block

Output

OUT

Output the result of the logical line

00000~01915

20000~25507

HR0000~1915

AR0000~1515

LR0000~1515

TIM/CNT000~127

TR0~7

*TR is only used for OUT instructions

Output negation

OUT NOT

Invert the output of the logical row

Position

SET

Set the relay status to ON

Reset

RSET

Reset the relay to open

timing

TIM

On delay timer (minus)

Set time 0~999.9S

TIM/CNT000~127

Setting value 0~9999

The timing unit is 0.1S

Counting unit is 1 time

count

CNT

Subtraction counter

Setting value 0~9999 times