Computer Hardware User Manual

482
“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
00
98
00
10
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
1: Waiting for Remote I/O
power application
1: Forced Set/Reset in effect
76543210
1 000
x 16
1
x 16
0
65
00
4
0
Bit
Bit
None
Program area write enable
0: Disabled (DIP switch pin 1 is ON)
1: Enabled (DIP switch pin 1 is OFF)
Program area
010
8 Kbytes
100
16 Kbytes
101
24 Kbytes
110
32 Kbytes
PC Settings
PC Mode UM Area
RUN MONITOR PROGRAM Write-protected Read-protected
OK OK OK OK OK
Execution Conditions
Commands Responses
Single Multiple Single Multiple
OK --- OK ---
End Codes An end code of 14 (format error) will be returned if the length of the command is
incorrect.
End code Contents
00 Normal completion
13 FCS error
14 Format error
18 Frame length error
Host Link Commands
Section 10-3