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Section 10-6
Host Link Errors
10-6 Host Link Errors
These error codes are received as the response code (end code) when a command received by the C200HS from a host computer cannot be processed. The
error code format is as shown below.
@
X
X
Node
no.
X
X
Header
code
X
X
End code
X
X
FCS
:
↵
Terminator
The header code will vary according to the command and can contain a subcode
(for composite commands).
End
code
Contents
Probable cause
Corrective measures
00
Normal completion
---
01
Not executable in RUN mode
The command that was sent cannot be executed when the PC is in
RUN mode.
02
Not executable in MONITOR mode
The command that was sent cannot be executed when the PC is in
MONITOR mode.
0B
Not executable in PROGRAM
mode
The command that was sent cannot be executed when the PC is in
PROGRAM mode.
This code is not presently being
used.
13
FCS error
The FCS is wrong. Either the FCS
calculation is mistaken or there is
adverse influence from noise.
Check the FCS calculation method.
If there was influence from noise,
transfer the command again.
14
Format error
The command format is wrong.
Check the format and transfer the
command again.
15
Entry number data error
The areas for reading and writing
are wrong.
Correct the areas and transfer the
command again.
16
Command not supported
The specified command does not
exist.
Check the command code.
18
Frame length error
The maximum frame length was
exceeded.
Divide the command into multiple
frames.
19
Not executable
Items to read not registered for
composite command (QQ).
Execute QQ to register items to
read before attempting batch read.
23
User memory write-protected
A3
Aborted due to FCS error in transmit data
A4
Aborted due to format error in
transmit data
Pin 1 on C200HS DIP switch is ON. Turn OFF pin 1 to execute.
The error was generated while a
Check the command data and try
command extending
the transfer again.
g over more
g
th one frame
f
b i executhan
was being
ted.
A5
Aborted due to entry number data
error in transmit data
A8
Aborted due to frame length error
in transmit data
Other
---
Power Interruptions
--Check the relation between the
command and the PC mode.
Note:
thatt point
has
N t The
Th data
d t up tto th
i th
already been written to the appropriate area of the CPU
CPU.
Influence from noise was received.
Transfer the command again.
The following responses may be received from the C200HS if a power interruption occurs, including momentary interruptions. If any of these responses are received during or after a power interruption, repeat the command.
Undefined Command Response
@00IC4A*↵
No Response
If no response is received, abort the last command and resend.
399