Chapter 12 Error Code List and Special Internal Outputs

No.

Name

Meaning

Description

Setting

Resetting

condition

condition

 

 

 

 

R7D7

Undefined

Do not use.

 

 

 

R7D8

Undefined

Do not use.

 

 

 

R7D9

Battery error

0: Normal

Indicates whether battery voltage is

Set by the

Cleared by

 

 

1: Abnormal

low

system

the system *2

R7DA

Instantaneous power

0: Not detected

 

Set by the

Cleared by

*1

failure detection

1: Instantaneous power failure detected.

system

user, Cleared

R7DB

 

0: Normal

Indicates whether there is a self-

Set by the

Self-diagnostic error

when

 

diagnostic error (Detailed information

 

1: Error

system

retentive area

 

 

output to WRF000)

 

 

 

 

is cleared, or

R7DC

 

 

Operation mode at CPU stop for PWM

 

Output mode

0: Stops output

 

the CPU is

 

output, pulse output and counter

Set by user

 

1: Continues output

initialized.

 

 

coincidence output.

 

 

 

 

 

 

R7DD

Undefined

Do not use.

 

 

 

R7DE

Undefined

Do not use.

 

 

 

R7DF

Undefined

Do not use.

 

 

 

R7E0

Key switch location

0: at RUN position

 

Set by the

Cleared by

 

(STOP)

1: at STOP position

 

system

the system

R7E1

Undefined

Do not use.

 

 

 

R7E2

Key switch location

0: at STOP position

 

 

 

 

(RUN)

1: at RUN position

 

 

Cleared by

R7E3

1st scan ON after

1: 1st scan after RUN

ON only at the 1st scan.

 

the system

 

RUN

 

 

 

 

R7E4

Always ON

1: Always

Always ON regardless of CPU status

 

Cannot be

 

 

 

 

 

cleared.

R7E5

0.02 second clock

0: 0.01 seconds

 

 

 

 

 

1: 0.01 seconds

 

 

 

R7E6

0.1 second clock

0: 0.05 seconds

 

Set by the

 

 

 

1: 0.05 seconds

 

system

 

R7E7

1.0 second clock

0: 0.5 seconds

 

 

 

 

 

 

 

1: 0.5 seconds

 

 

Cleared by

R7E8

 

0: Unoccupied

Indicates CPU occupation status from

 

CPU Occupation

 

the system

 

 

1: Occupied

the peripheral unit

 

 

R7E9

RUN prohibited

0: Operation allowed

Indicates whether it is operation

 

 

 

 

1: Operation prohibited

prohibited status

 

 

R7EA

Executing a online

1: Being executed

Indicates whether operation is

 

 

 

change in RUN

temporarily stopped (output hold) due

 

 

 

 

to online change in RUN

 

 

 

 

 

 

 

*1: Supported by software version 1.11 (WRF051=H0111) or newer.

 

 

*2: The battery error (R7D9) will turn off when the error cause is eliminated by replacing the battery, etc.

 

12-6

Page 269
Image 269
Hitachi NJI-350B manual 12-6