Chapter 12 Error Code List and Special Internal Outputs

No.

Name

Meaning

Description

Setting

Resetting

condition

condition

 

 

 

 

R7EB

Clear retentive area

1: Clear retentive area

 

Set by user

Cleared by

R7EC

Clear error code

1: Clear error code in WRF000 to F00A, R7C8 to 7DE

the system

 

R7ED

Undefined

Do not use.

 

 

 

R7EE

Battery error

1: Detection enabled

Be sure to set if battery is used.

 

Cleared by

 

detection

0: Detection disabled

 

 

user, or when

 

enable/disable

 

 

Set by user

retentive area

 

 

 

 

is cleared, or

 

 

 

 

 

 

 

 

 

 

the CPU is

 

 

 

 

 

initialized.

R7EF

Backup memory

1: Being written

 

 

 

 

writing execution

 

 

 

 

 

flag

 

 

Set by the

Cleared by

R7F0

Carry flag (CY)

0: No carry

Indicates whether there is a carryover

system *3

the system

 

 

1: Carry

from the operation result

 

 

 

 

R7F1

Overflow flag (V)

0: No overflow

Indicates whether there is overflow in

 

 

 

 

1: Overflow

the operation result

 

 

R7F2

Shift data (SD)

0: Shift data “0”

Designates the shift data used in shift

Set by user

Cleared by

 

 

1: Shift data “1”

instructions, etc.

user

 

 

 

R7F3

Operation error

0: Normal

Indicates whether there is an operation

 

 

 

(ERR)

1: Error

error when operation is executed

Set by the

 

R7F4

Data error (DER)

0: Normal

Indicates whether there is a data error

system

 

 

 

1: Error

when operation is being executed.

 

 

R7F5

Special I/O function

1: Request to set

For counter, PWM and pulse train

 

 

 

setting flag

 

 

Set by user

 

R7F6

Special I/O

1: Request to write

For counter, PWM and pulse train

 

 

parameters to write in

 

 

 

 

 

FLASH *4

 

 

 

 

R7F7

Special I/O parameter

0: Normal

Indicates the results of the special I/O

Set by the

Cleared by

 

error

1: Error

parameter settings.

system

 

the system

R7F8

Calendar, clock read

1: Request to read

Read the present values of calendar,

 

 

 

 

request

 

clock and set in WRF01B to WRF01F

 

 

R7F9

Calendar, clock

1: Request to write

Set the data set in WRF01B to

 

 

 

setting request

 

WRF01F in the calendar and clock

Set by user

 

R7FA

Clock ± 30 second

1: Request adjustment

When second data (WRF00F) is 0 to

 

 

 

 

adjustment request

 

29, it becomes 0 seconds and when it is

 

 

 

 

 

30 to 59, +1 minute is added and

 

 

 

 

 

second data becomes 0

 

 

R7FB

Calendar and clock

0: Normal

Indicates whether there is an error in

Set by the

 

 

set data error

1: Error

calendar and clock set data

system

 

R7FC

Output control 1

0: Output disabled

Sets the enabling and disabling when

 

Cleared by

R7FD

Output control 2

1: Output enabled

Y100 through Y103 is used as PWM

 

user

R7FE

Output control 3

 

output, pulse output, and counter

Set by user

(Cleared by

R7FF

Output control 4

 

coincidence output.

the system in

 

 

 

 

 

 

 

case of pulse

 

 

 

 

 

output)

*3: Cleared by system even when Set by user.

*4: The word special internal output that can be written using this function is shown in Table 12.1 on the following page.

12-7

Page 270
Image 270
Hitachi NJI-350B manual 12-7