DeviceNet Slave Communication Module IFD9502
4
LED Indicators & Trouble-shooting
There are 3 LED indicators on IFD9502, Network Status LED, Module Status LED and Scan Port LED, for
displaying the connection status of the communication.
4.1 Network Status LED
LED status
Off
Green light
flashes
Green light on
Red light
flashes
Red light on
4.2 Module Status LED
LED status
Off
Green light
flashes
Green light on
Red light
flashes
Red light on
4.3 Scan Port LED
LED status
Off
Green light
flashes
26
Code
1
2
3
4
Indication
No power;
Duplicating ID has not completed
Online, but not connected to
DeviceNet
Online, and connected to DeviceNet
normally
Online, but I/O connection time-out
occurs.
Network failure. Failed ID duplication or
Bus-off.
Indication
No power; off-line
Waiting for I/O data, no I/O data or
PLC program is being edited.
I/O operation in progress normally.
Configuration problem; IFD9502 is not
connected to equipment
EEPROM is damaged, or other
hardware error.
Indication
No power
DNA-02 is reading the default value in
the equipment. IFD9502 obtains the
parameters from the equipment and
Baud rate
19,200 bps
38,400 bps
57,600 bps
115,200 bps
How to deal with it?
1. Check the power of IFD9502 and see if the connection is
normal.
2. Check if the node communication on the BUS is normal.
3. Make sure at least 1 node is normally communicating with
the network through IFD9502.
--
--
--
1. Make sure all node addresses on the BUS are not
repeated.
2. Check if the network installation is normal.
3. Check if the baud rate of IFD9502 is consistent with that
of the BUS.
4. Check if the station No. of IFD9502 is valid.
5. Check if your choice of switch on IFD9502 is consistent
with the actual connected equipment.
6. Check if IFD9502 is correctly wired with the equipment.
How to deal with it?
Check the power of IFD9502 and see if the connection is
normal.
IFD9502 has passed operation test and is waiting for I/O
data
--
1. Reset parameters in IFD9502.
2. Check if IFD9502 is correctly wired with the equipment.
Send back to factory for repair.
How to deal with it?
Check the power of IFD9502 and see if the connection is
normal.
DVP-PLC Application Manual
Need help?
Do you have a question about the DeviceNet IFD9502 and is the answer not in the manual?