4-5
Section
Host Link Commands
294
Parameters
Status Data, Message (Response)
“Status data” consists of four digits (two bytes) hexadecimal. The leftmost byte
indicates CPU Unit operation mode, and the rightmost byte indicates the size of
the program area.
15
14
13
12
11
10
9
8
0
0
0
0
9
8
0
0
1
0
1
1
x 16
3
x 16
2
This area is different
from that of STATUS
WRITE.
Bit
Bit
1: FALS generated
1: Fatal error generated
Operation mode
PROGRAM mode
RUN mode
MONITOR mode
7
6
5
4
3
2
1
0
1
0
0
0
x 16
1
x 16
0
6
5
0
0
0
0
4
0
1
Bit
Bit
None
Program area write-protection
0: Write-protected
1: Not write-protected
Program area
4 Kbytes
0
1
0
8 Kbytes
The “Message” parameter is a 16-character message that exists when MSG(47)
has been executed. When there is no message, this parameter is omitted.
4-5-20 STATUS WRITE – SC
Changes the PC operating mode.
Command Format
@
S
C
x 10
0
x 10
1
x 16
1
x 16
0
↵
Node no.
Header
code
Terminator
FCS
Mode data
Response Format
An end code of 00 indicates normal completion.
@
S
C
x 10
0
x 10
1
x 16
1
x 16
0
↵
Terminator
FCS
Node no.
Header
code
End code
