Omron SYSMAC CJ1W-SCU41-V1 User Manual

316
Troubleshooting Section 11-3
Host Link (with
unsolicited
communica-
tions)
The SD@/RD@
and COM@
indicators are
all flashing.
SEND(090)/
RECV(098)/
CMND(490)
instructions
have been
executed but
have not
been sent.
The AER Flag (one
of the condition
flags) is ON.
The contents of the
S, C, and D oper-
ands for the
SEND(090),
RECV(098), and
CMND(490) instruc-
tions is set in a
read-protected
area.
Check the contents of the
S, C, and D operands of
the SEND(090),
RECV(098), and
CMND(490) instructions,
and correct if necessary.
Bit 00 to 07 of word
A219 (Communica-
tions Port Error
Flag) are set to 1
(ON).
The contents of the
S, C, and D oper-
ands for the
SEND(090),
RECV(098), and
CMND(490) instruc-
tions is set incor-
rectly.
Check the contents of the
S, C, and D operands of
the SEND(090),
RECV(098), and
CMND(490) instructions,
and correct if necessary.
The ER Flag (one of
the condition flags)
is ON.
The communica-
tions port number to
be used is executing
a SEND(090)/
RECV(098)/
CMND(490) instruc-
tion or PMCR(260)
instruction.
Either use a different com-
munications port number
than the one being used to
execute the SEND(090)/
RECV(098)/ CMND(490)
instruction or PMCR(260)
instruction, or wait for the
same communications
port number to be enabled
and execute the instruc-
tion.
The Communica-
tions Port Enabled
Flag (A20200 to
A20207)is OFF
(execution disabled)
The Communica-
tions Port Enabled
Flag (A20200 to
A20207) is set as an
NC the execution
condition for
SEND(090),
RECV(098), and
CMND(490) instruc-
tions.
Program is incor-
rect.
Set the Communications
Port Enabled Flag as an
NC execution condition for
SEND(090), RECV(098),
and CMND(490) instruc-
tions.
Bit 15 of DM Area
words m + 3/m + 13
(CTS control) is
turned ON, and bit
04 of CIO Area
words n + 7/n + 17
(CTS signal) is
turned OFF.
The Board or Unit is
set for CTS control,
but the RTS signal
from the host is not
input into the CTS
signal of the local
Unit.
Perform one of the follow-
ing error processing meth-
ods.
Loopback the RTS and
CTS signals on the local
Unit.
Set to no CTS control.
Input the RTS signal from
the remote Unit into the
CTS signal of the local
Unit for CTS control.
Serial commu-
nications
mode
Indicator
status
Status
information,
etc.
CIO Area Cause Remedy

Omron SYSMAC CJ1W-SCU41-V1 Specifications

General

Brand	Omron
Model	SYSMAC CJ1W-SCU41-V1
Category	Network Hardware
Language	English