A-2-11 Logic Instructions; A-2-12 Special Math Instructions - Omron CJ2 CPU UNIT SOFTWARE User Manual

Cj2 cpu unit software
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Instruction
Mnemonic
ASCII TO SIXTEEN-
NUM16
DIGIT NUMBER
A-2-11
Logic Instructions
Instruction
Mnemonic
LOGICAL AND
ANDW
DOUBLE LOGICAL
ANDL
AND
LOGICAL OR
ORW
DOUBLE LOGICAL
ORWL
OR
EXCLUSIVE OR
XORW
DOUBLE EXCLU-
XORL
SIVE OR
EXCLUSIVE NOR
XNRW
DOUBLE EXCLU-
XNRL
SIVE NOR
COMPLEMENT
COM
DOUBLE COMPLE-
COML
MENT
A-2-12
Special Math Instructions
Instruction
Mnemonic
BINARY ROOT
ROTB
BCD SQUARE ROOT
ROOT
ARITHMETIC PRO-
APR
CESS
FLOATING POINT
FDIV
DIVIDE
BIT COUNTER
BCNT
CJ2 CPU Unit Software User's Manual
FUN No.
Length (steps)
606
3
FUN No.
Length (steps)
034
4
610
4 to 6
035
4
611
4 to 6
036
4
612
4 to 6
037
4
613
4 to 6
029
2
614
2
Length
FUN No.
(steps)
620
3
15.4
072
3
17.1
069
4
4.6
5.7
079
4
76
067
4
0.24
ON execution time (µs)
CJ2H
CJ2M-
CPU6@(-EIP)
CPU@@
27.4
52.0
ON execution time (µs)
CJ2H
CJ2M-
CPU6@(-EIP)
CPU@@
0.14
0.340
0.26
0.640
0.18
0.340
0.26
0.640
0.18
0.340
0.26
0.640
0.18
0.340
0.26
0.640
0.18
0.240
0.32
0.440
ON execution time (µs)
CJ2H
CJ2M-
CPU6@(-EIP)
CPU@@
24.2
25.3
5.3
6.9
149
0.360
Appendices
Conditions
---
Conditions
---
---
---
---
---
---
---
---
---
---
Conditions
---
---
Designating SIN and
COS
Designating line-seg-
ment approximation
---
Counting 1 word
A-91

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Questions and answers

Thomas
January 16, 2025

How do I retrieve fault codes from plc: CJ2M-CPU35

1 comments:
Mr. Anderson
May 14, 2025

To retrieve fault codes from an Omron CJ2M-CPU35 PLC, use the following method:

1. Go online with the PLC using either:
- The known device and CPU type via the "Change PLC" dialog box, or
- Auto Online if the device and CPU type are unknown but connected via serial line.

2. Once online, select the menu option: PLC → Edit → Information.

3. This opens the PLC Information Dialog Box, where you can view information such as fault codes and unit version.

Additionally, check the Battery Error Flag (A402.04) and the ERR/ALM indicator on the CPU Unit, which may signal errors like low battery.

This answer is automatically generated

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