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10-6 Host Link Errors
These error codes are received as the response code (end code) when a com-
mand received by the C200HS from a host computer cannot be processed. The
error code format is as shown below.
@ XX
↵:
XX
XXXX
Node
no.
Header
code
TerminatorFCSEnd code
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 can-
not be executed when the PC is in
RUN mode.
Check the relation between the
command and the PC mode.
02 Not executable in MONITOR mode The command that was sent can-
not be executed when the PC is in
MONITOR mode.
0B Not executable in PROGRAM
mode
The command that was sent can-
not 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 Pin 1 on C200HS DIP switch is ON. Turn OFF pin 1 to execute.
A3 Aborted due to FCS error in trans-
mit data
The error was generated while a
command extending over more
th f b i
Check the command data and try
the transfer again.
A4 Aborted due to format error in
transmit data
g
than one frame was being execu-
ted.
Nt Th dt t tht ith
g
A5 Aborted due to entry number data
error in transmit data
Note: The data up to that point has
already been written to the ap-
p
ro
p
riate area of the CPU
A8 Aborted due to frame length error
in transmit data
propr
i
a
t
e area o
f
th
e
CPU
.
Other --- Influence from noise was received. Transfer the command again.
Power Interruptions The following responses may be received from the C200HS if a power interrup-
tion occurs, including momentary interruptions. If any of these responses are re-
ceived 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.
Host Link Errors Section 10-6