100
CPU Unit Errors
Section 7-3
7-3
CPU Unit Errors
The ERH indicator will light when the ID Sensor Unit cannot operate because
an error occurred on the I/O bus to the CPU Unit or when data cannot be
refreshed as a Special I/O Unit.
Both ERH and RUN Indicators Lit
The ERH and RUN indicators will light when an error occurs on the I/O bus or
a WDT (watchdog timer) error occurs in the CPU Unit, preventing data from
being correctly refreshed for the ID Sensor Unit as a Special I/O Unit. If this
happens, either turn the power supply OFF and ON or restart the system.
Refer to the
SYSMAC CS-series PLC Operation Manual
for details.
ERH Indicator Lit and RUN Indicator Not Lit
There is an error in the unit number setting for the ID Sensor Unit.
Error name
Error
Unit response
I/O bus error
An error occurred in data transfer
between the CPU Unit and the ID Sen-
sor Unit.
Unit operation will
stop.
CPU Unit monitor
error
An error occurred because there was
no response from the CPU Unit.
CPU Unit WDT error An error occurred in the CPU Unit.
V600C11
RUN
ERC
T/R
NORM/ERR
ERP
ERH
V600C12
RUN
ERC
HEAD1
T/R
NORM/ERR
ERP
ERH
HEAD2
T/R
NORM/ERR
V600C11
RUN ERC
ERP ERH
T/R
NORM/ERR
V600C12
RUN ERC
ERP ERH
HEAD1
HEAD2
T/R
NORM/ERR
T/R
NORM/ERR
CS1W-V600C11
CJ1W-V600C11
CS1W-V600C12
CJ1W-V600C12
Lit:
Not lit:
Error name
Error
Unit response
Unit No. duplication
The same unit number is set for more
than one Unit or was set to a value that
is not between 00 and 95.
Unit operation will
stop.
Special I/O Unit set-
ting error
The model of Special I/O Unit regis-
tered in the I/O table does not agree
with the model of Special I/O Unit
mounted in the system.
V600C11
RUN
ERC
T/R
NORM/ERR
ERP
ERH
V600C12
RUN
ERC
HEAD1
T/R
NORM/ERR
ERP
ERH
HEAD2
T/R
NORM/ERR
V600C11
RUN ERC
ERP ERH
T/R
NORM/ERR
V600C12
RUN ERC
ERP ERH
HEAD1
HEAD2
T/R
NORM/ERR
T/R
NORM/ERR
CS1W-V600C11
CJ1W-V600C11
CS1W-V600C12
CJ1W-V600C12
Lit:
Not lit:
Summary of Contents for CJ - 12-2004
Page 2: ...SYSMAC CS CJ Series ID Sensor Units Operation Manual Revised December 2004...
Page 3: ...iv...
Page 11: ...xii...
Page 55: ...36 Connections and Wiring Section 3 4...
Page 69: ...50 I O Data Allocations Section 4 3...
Page 91: ...72 Data Check Section 5 7...
Page 141: ...122 Sample Programming Appendix B...
Page 147: ...128 Revision History...