SMC Networks LECPA Series User Manual

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Trouble
No.
Problem
Possible
cause
How to diagnose the
trouble
Solutions
1
LED
is OFF
Power fault
Check if the LED (green)
of the driver is lit.
The power supply, voltage or current
should be modified to an appropriate one.
→ 4. External Wiring Diagram.
→ 5. CN1: Power supply plug.
Wiring falt
Is the wiring connected
correctly?
Check if the wiring is connected correctly
or if there is broken wire or short-circuit by
referring to this Operation Manual. Correct
the wiring and check that the input/output
of each signal is correct.
Separate the power supply for the
CN1driver and the CN5 I/O signal power
supply.
→4. External Wiring Diagram
→6.4 Parallel I/O wiring Example
2
ALM
is ON
Alarm condition
Check if the driver is in the
alarm condition.
Refer to the driver operation manual, and
take appropriate measures. Take
appropriate measures based on the
operation manual.
→ 12. Alarm Detection
3
Communication
falt(LEC－W2)
Communication
fault.(LEC-W2)
USB driver is not installed
Please install the USB driver of USB cable.
The USB driver's installation starts when
the communication cable is connected with
PC. Refer to the Installation Manual for
setting kit (LEC-W2) for the installation
procedure.
Incorrect COM
port setting
Please confirm if the
correct COM port is set to
the controller setting kit.
The COM port allocated to the
communication cable is different for
different PC’s. Please confirm the COM
port number with the communication cable
connected.
The COM port number can be checked
using the Device Manager of the PC.
Refer to the Installation Manual for
controller setting kit (LEC-W2) for the
checking and setting method for COM port
numbers.
Inappropriate
connection
Check the wiring.
Please confirm motor driver =
communications cable = USB cable = PC is
connected.
As example, cannot make the
communication if the connector has been
damaged.
Please confirm the power supply of motor
driverer has been turned on. The
communication is not made if the Power
supply is off.
If the equipments (PLC and measurement
hardware) except motor driver is connected
with PC. (There is a possibility that the
communication with other equipment
interferes in PC.)
Incorrect
display
Check that the controller
setting kit is of the latest
version.
If the controller setting kit is old, update it.
You can download the latest kit from the
SMC website (Manuals page).
http://www.smcworld.com/

SMC Networks LECPA Series Specifications

General

Brand	SMC Networks
Model	LECPA Series
Category	Industrial Electrical
Language	English