Programming information – Toshiba 6F3B0253 User Manual

Page 81

6F3B0253

Basic Hardware and Function

6. Programming Information

Special devices and registers (S/SW)

The special devices (S) and special registers (SW) are used for special purposes. See
list below.

Device/

Name

Function

S000

0: Initialization

4: HOLD mode

S001

T1/T1S operation mode

1: HALT mode

6: ERROR mode

S002

2: RUN mode

S003

3: RUN-F mode

S004

CPU error (down)

ON at error state (related to SW01)

S005

I/O error (down)

ON at error state (related to SW02)

S006

Program error (down)

ON at error state (related to SW03)

S007

EEPROM alarm (alarm)

ON when EEPROM write exceeds 100,000 times

S008

Fixed-time scan time-over
(alarm)

ON when actual scan time is longer than the setting
time as fixed-time scan

S009

−

Reserved

S00A

Clock/calendar error
(alarm)

ON when clock/calendar data is illegal

S00B

−

Reserved

S00C

−

Reserved

S00D

TL-F10 error (alarm)

ON when TOSLINE-F10 transmission error occurs

S00E

−

Reserved

S00F

Retentive data invalid
(alarm)

ON when retentive data in RAM are invalid

(1) These devices are set by the T1-16S operating system. These devices

are read only for user.

(2) Devices marked as (down) are set in the ERROR mode. Therefore

these devices cannot be used in the user program.

(3) Devices marked as (alarm) are set in the normal operation mode.

These devices can be used in the user program.

NOTE