Fuji Electric POD UG221H-LE4 User Manual page 67

7-2
1. Error Message
Error Message
Error code received
Break
Invalid memory
(applicable to MITSUBISHI CPU)
Invalid CPU model
(applicable to MITSUBISHI CPU)
Format
Compare
(applicable to HIDIC S10)
NAK
(applicable to Allen-Bradley PLC)
TNS discrepant
(applicable to Allen-Bradley PLC)
Communication Error
Count error
(applicable to MITSUBISHI CPU
and Q link unit)
Command error
(applicable to MITSUBISHI CPU
and Q link unit)
Invalid cassette
(applicable to MITSUBISHI ACPU)
Password error
(applicable to MITSUBISHI QCPU)
Solution
1. Confirm link unit settings.
(After making settings, cut power to the PLC.)
2. Go to the editor and confirm the settings in the [Comm. Parameter] dialog in the [System Setting]
menu.
3. If errors only occur from time to time, it is possible that there is a noise-based communication error.
* If you still cannot solve the error even after following the suggestions above, contact your local
distributor.
Contents
The PLC sent an error code (NAK).
The PLC's SD (TXD) remains at the low
level.
You specified an address that exceeds the
memory range of the PLC that you are
linked to.
The PLC currently being supported does
not have a corresponding CPU.
The code of the received data is invalid.
Transmission data and received data are
different.
A NAK code is received.
Transmitted TNS data and received TNS
data are not in agreement.
An unclear communication error is
detected.
The expected data amount is different
from the count value.
The response code differs from the
expected code.
This cassette is not included in the
memory cassettes currently being
supported.
The password is incorrect.
Solution
Examine the CPU error code and solve the
problem.
Examine the connection between the PLC's
SD (TXD) and the POD RD (RXD).
Check the type and range of memory that
you set.
Confirm whether or not the CPU that you
are using can be used with the POD.
Check 1, 2, 3 described below.
Check 1, 2, 3 described below.
Check 1, 2, 3 described below.
Check 1, 2, 3 described below.
Check 1, 2, 3 described below.
Check 1, 2, 3 described below.
Check 1, 2, 3 described below.
Contact your local distributor.
Contact your local distributor.