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TR30-G USERS MANUAL EM-8631-G Rev.16
7.2.9 RUN contact
Problem faced
Checks to be done
Method of handling
Run contact is off.
Has an R30 I/O module been
installed?
If “module” has been specified in the CH set-
ting for the TRGCFG [Input/Output] - [Analog
input(AI)], [Discrete input (DI)], [Pulse input (PI)]
and[Discrete output (DO)], check if an I/O mod-
ule has been installed in the specified slot.
Are you able to communicate with
the Modbus slave device?
If “Modbus/TCP” has been specified in the CH
setting for the TRGCFG [Input/Output] - [Analog
input (AI)], [Discrete input (DI)], [Pulse input (PI)]
and [Discrete output (DO)], check if the specified
[Modbus/TCP slave No.] and the [Modbus/TCP
register address] are matching. If the setting are
matching, but you are unable to communicate
with the slave, please see [7.2.10 Modbus/TCP
(Master)].
Can the SD card be accessed from
the Web server screen?
Check if it can be accessed.
➔
4.10 SD card (hyperlink)
If it cannot be accessed, the SD card may be
corrupted. Please arrange for a new SD card
and replace it.
Can the internal memory be
accessed from the Web server
screen?
Check if it can be accessed.
➔
4.9 Internal memory (hyperlink)
If it cannot be accessed, the internal memory
may be corrupted. You need to return the TR30
so that it can be repaired.
Do you fail in transmission FTP?
Check if specified FTP server can be matched
setting TRGCFG[Communication]-[FTP server
client].
7.2.10 Modbus/TCP (Master)
Problem faced
Checks to be done
Method of handling
Unable to connect to the
Modbus slave device from
the TR30.
Is the LAN cable disconnected or
has it come out from the HUB?
Connect the LAN cable securely. Please check
the connected lamp on the HUB.
Has the IP address of the TR30
been manually set?
Set the IP address manually.
➔
Has the same network address
been specified in the TR30 and
Modbus slave device?
Check the network address.
[Example]
Paperless recorder: 192.168.0.1
Slave: 192.168.0.2
Subnet mask: 255.255.255.0
Does the IP address of the slave
device registered in TRGCFG the
same as the TR30 IP address?
Check the IP address.
➔
Has the IP address been set for the
slave device?
Set the IP address for the slave device. And, if
you are using a remote I/O which is our product,
disconnect and restart the power supply after
setting the IP address. (Please see the respec-
tive remote I/O User Manual for information on
the method of setting the IP address)
Have you replaced the communica-
tion module?
When you replace the communication module in
the remote I/O in Modbus/TCP, it may take time
to connect. If you want to connect immediately,
disconnect and restart the power supply to the
TR30.