Communication protocols
PROGRAMMING MANUAL 164
Revision 3.0
End codes
These are the response end codes that are returned in the response frame:
/i
I/O memory
writing
WR CIO AREA
WRITE
Writes the specified data in word
units to VR memory beginning
with the designated word.
WD DM AREA
WRITE
Writes the specified data in word
units to TABLE memory begin-
ning with the designated word.
Testing TS TEST Returns, unaltered, a single block
that was sent from the master.
PC model code
reading
MM PC MODEL
READ
Reads the model code of the
TJ1-MC__ as specified by the
HLS_MODEL parameter.
I/O memory area
registration and
reading
QQMR REGISTER I/O
MEMORY
Registers the I/O TABLE with the
contents of the actual I/O configu-
ration
QQIR READ I/O
MEMORY
Reads the registered I/O memory
words/bits all at once.
Host Link
communications
processing
XZ ABORT
(command only)
Aborts the operation that is per-
formed by a Host Link command,
and returns to the initial status.
** INITIALIZE
(command only)
Initializes the transfer control pro-
cedures for all Host Link units.
IC Undefined com-
mand (response
only)
This is the response when the
command header code is invalid.
Type Header code Name Function
End code Description Probable cause Solution
0 Normal
completion
No problem exists. N/A
13 FCS error The FCS is wrong. Check the FCS calcu-
lation method. If there
was influence from
noise, transfer the
command again.
14 Format error • The command format is
wrong.
• A command that cannot be
divided has been divided.
• The frame length is smaller
than the minimum length for
the applicable command.
Check the format and
transfer the command
again.
15 Entry number
data error
The data is outside the specified
range or too long.
Correct the command
arguments and trans-
fer the command
again.
18 Frame length
error
The maximum frame length of
131 bytes is exceeded.
Check the data and
transfer the command
again.
19 Not executable An I/O memory batch was exe-
cuted when items to read were
not registered.
Register items to read
before attempting
batch read.
A3 Aborted due to
FCS error in
transmission
data
An FCS error occurred in the
second or later frame.
Correct the command
data and transfer the
command again.
I52E-EN-03.book Seite 164 Freitag, 29. Juni 2007 11:55 11
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