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8
Troubleshooting
Before requesting repair, please refer to the table below. If the detector does not return to normal operation
after performing the corresponding steps in the table, or if your issue is not found in the table, consult New
Cosmos or its authorized representative.
Symptom
Cause
Action
Reference
Modbus TCP
(Ethernet)
communication
error
LAN cable incorrectly
connected
Poor LAN cable
connection
Check that the status LED 1 is
lit, which indicates that LAN
cable is correctly connected).
Connect the LAN cable.
Check and rewire.
5.2.2 Modbus TCP
(Ethernet) Wiring
Procedure
5.3.2 Status LEDs
Not all devices are on.
Turn on all the external devices
that communicate with this
product.
5.1 System Configuration
Incorrectly set DIP
switch for
communication mode
Set the mode change switch to
“ETHERNET”.
* Restart the unit after setting
with the DIP switch.
5.3.1 DIP Switches
The number of
connected units and
transmission distance
exceed the specified
limit.
Check and rewire so that the
number of connected units and
transmission distance are
within the limit.
4.2 Modbus TCP
(Ethernet) Communication
Specifications
Incorrect conditions
Check and reconnect the IP
address, subnet mask, and
default gateway.
6.5 Register Address Map
Incorrectly set DIP
switches for unit ID
Check that the unit ID (4th
value of the IP address) set
with the DIP switches is
correct.
Check that the unit ID is not set
to “255”.
* Restart the unit after setting
with the DIP switches.
5.3.1 DIP Switches
Same unit ID is used
for more than one unit.
Check the IP addresses on the
same communication line.
Check that the unit ID (4th
value of IP address) is correct.
* Restart the unit after setting
with the DIP switches.
6.5 Register Address Map
5.3.1 DIP Switches
Modbus RTU
(RS-485)
communication
error
Incorrect wiring
Check and rewire.
Securely connect wires to
terminals.
5.2.1 Modbus RTU
(RS-485) Wiring
Procedure
Not all devices are on
Turn on all the external devices
that communicate with this
product.
5.1 System Configuration
Incorrectly set DIP
switch for
communication mode
Set the mode change switch to
“RS485”.
* Restart the unit after setting
with the DIP switch.
5.3.1 DIP Switches
The number of
connected units and
Check and rewire so that the
number of connected units and
4.1 Modbus RTU
Communication
Содержание PS-7-M
Страница 2: ...i Revision History Revision Document No Date Contents of change 00 GAE 159 00 June 2020 Initial issue ...
Страница 13: ... 9 5 Connection Specifications This chapter describes the connection specifications for this product ...
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