Omron CS1W-LC001 Operation Manual page 214

Errors and Alarm Troubleshooting
Code Description
19 Inappropriate
operation
20
Download
terminal data
exchange error
21 I/O memory
address out-of-
range
29 Reception error
for external
device
30 Response
timeout
Explanation
calculated.
Two or more S1 to S3 select
switches are set to 1 (ON) at the
same time in the 3-output Selector
block (Block Model 163) or 3-input
Selector block (Block Model 164).
There is a syntax error in Arithmetic
Operation (Block Model 126), the
THEN or ELSE expression is not
defined, or the output reverse
scaling limits are not set.
There are syntax errors in the
membership functions or rules for
the Fuzzy Logic block (Block Model
016) making execution impossible.
a) A value does not have one sign
character and 5 or fewer
numeric characters (e.g., when
a + sign is included).
b) Values are not separated by
colons.
c) The values that have been set
are insufficient.
d) There are more than three
critical points in a membership
functions.
e) Critical points in membership
functions do not rise to the right.
f) Membership functions are not
set for labels specified in rules
(NL, NS, ZR, PS, PL).
Data exchange with the CPU Unit is
not being executed correctly on the
CPU Unit Terminal, Expanded CPU
Unit Terminal, Node Terminals and
Field Terminal blocks.
An address out of the I/O memory
address range has been specified
on the CPU Unit Terminal,
Expanded CPU Unit Terminal, Node
Terminals and Field Terminal
blocks.
A communications frame error was
generated by the data received from
an ES100X Controller for an
ES100X Controller Terminal (Block
Model 045). (An FCS check error or
frame error occured 3 times in a
row.
A response was not returned after
sended data to the Controller for a
ES100X Controller Terminal (Block
Model 045). (Reponse was not
returned for 5 s 3 times.)
Operation at error
The output value that was
active before the error
occurred is held.
Execution of the Arithmetic
Operation block will be
stopped.
Operation of the Fuzzy
Logic block will stop.
The data of the function
block in question is not
updated.
Operation of the function
block in question is
stopped.
Communications will be
stopped with the specified
ES100X and tried with
another ES100X.
Communications will be
stopped with the specified
ES100X and tried with
another ES100X.
Section
Remedy
Re-program the Step Ladder
Program block so that S1 to
S3 select switches are set to
1 (ON) independent of each
other.
Check the contents of the
conditional statement and
calculation expressions an
check the settings of the
output reverse scaling limits.
Check the membership
functions and rules.
The ITEM number where the
problem occured is given in
ITEM 006 (Operation Error
Details).
If a malfunction has occurred
on the CPU Unit, follow the
remedy for that error. If the
CPU Unit is normal, turn ON
the power supply again.
On the CPU Unit Terminal
and Expanded CPU Unit
Terminal blocks, check the
leading address, and on field
terminals check the setting of
the CIO (channel I/O) Area
number setting.
In the case of Node
Terminals, check the setting
of the "leading address of the
memory for the node
terminals" specified by
System Common block
ITEM043.
Check the communications
path and the communications
settings (7 data bits, even
parity, and 2 stop bits).
Check the communications
path, the communications
settings (7 data bits, even
parity, and 2 stop bits), and
other required settings in the
ES100X (parameter setting
mode, unit number, etc.).
7-1
197