
20
Nomenclature and Functions
Section 2-1
Note
If a PROGRAM MEMORY ERROR (BASIC program memory error) is gener-
ated, all error indicators (ERR, ERR 1, ERR 2, ERR T) will flash. (Refer to
9-2
Troubleshooting
for details.)
START/STOP Switch
The START/STOP switch starts and stops the BASIC program. If STOP is
selected while the program is running, the program will STOP, and if START is
selected during a STOP, the program will be restarted from the first line. The
effect on operations in relation to initial settings and switch positions are
shown in the following table. When START/STOP switch is turned OFF, the
program will not run even if the RUN command is sent from the terminal or
automatic starting is set in the initial settings.
Note
Either manual or automatic starting is set in bits 00 to 07 of word m + 1 in the
DM area words allocated to the Unit.
T/R T
Orange
Terminal port data
transfer
Flashing
Terminal port (port 3) is receiving or transmitting
data (C200H-ASC31 only).
---
ERR 1
Red
Communications
port 1 error
Lit
A reception error (parity error, reception buffer
overflow, etc.) has occurred at communications
port 1.
Bit 4 of n+5
ERR 2
Red
Communications
port 2 error
Lit
A reception error (parity error, reception buffer
overflow, etc.) has occurred at communications
port 2.
Bit 5 of n+5
ERR T
Red
Terminal port error
Lit
A reception error (parity error, reception buffer
overflow, etc.) has occurred at terminal port 1
(C200H-ASC31 only)
Bit 3 of n+5
Indicator
Color
Name
Display
Meaning
Bit in allocated
IR/CIO area
words
C200H-ASC11
C200H-ASC21
C200H-ASC31
ASC11
ASC21
ASC31
RUN
ERR
T/R 1
ERR 1
BASIC
T/R 2
ERR 2
RUN
ERR
T/R 1
ERR 1
BASIC
T/R 2
ERR 2
RUN
ERR
T/R T
ERR T
BASIC
T/R 2
ERR 2
T/R 1
ERR 1
STOP
START
Operation
Power on or
restart
Stopped
Running
RUN command
from terminal
Switch
changed to
START
Ctrl+X
pressed
Switch
changed to
STOP
Switch position
START
STOP
START
STOP
STOP to
START
START
START to
STOP
Startup
mode
(See
note.)
Manual
start
(00)
No
effect
No
effect
RUN
No
effect
RUN
Break
Break
Auto
start
(5A)
RUN
No
effect
RUN
No
effect
RUN
Break
Break
Содержание C200H-ASC11
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