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6-3
Section
Commands/Responses
265
04 : Check sum present/absent specification error
A value other than those stipulated has been set for the
check sum present/absent specification.
05 : Format error
A format other than that stipulated has been used, for ex-
ample the word number has been specified with 5 dig its
or a character code outside the permissible range has
been used.
06 : Re-send request error
A re-send request command has been issued although
there is no input notify command to re-send.
10 : Check sum error
The specified sum value and calculated sum value differ.
11
: Communication error
A parity error, overrun error, or framing error has oc-
curred.
(This error code is only issued when DIP switch 4 “auto-
matic reset on occurrence of communication error” is set
to OFF.)
s
1
, s
2
: Check sum (2 hexadecimal digits)
This is always added.
Function
S
If there is an error in a command received by the PT, an error code is notified to
the host. The command in which the error occurred is invalidated.
Summary of Contents for NT620C
Page 1: ...Cat No V033 E1 5 Programmable Terminals NT620S 620C OPERATION MANUAL...
Page 2: ...NT620S 620C Programmable Terminals Operation Manual Revised April 2001...
Page 3: ...iv...
Page 5: ...vi...
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