I-8124W DeviceNet Master API functions User’s Manual (V 1.6) 2021/10/04
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2.5 Indicator LED
2.5.1 NS LED (Red)
The
“NS” means Network Status. It presents the error status of the network.
If some error occurs on the bus or the MAC ID of any slave conflicts with the
one of theI-8124W, the NS LED will flash. There are two situations in NS LED.
(1). LED off:
There is no bus error or MAC ID confliction.
(2). LED twinkle (Red) :
Some error occurs. The situations may be shown bellow:
(a) The I-8124W doesn't connect any slave device with CAN bus.
(b) The slave devices maybe out of order or have wrong configuration
.
(c) The MAC ID collision between master and slave devices is detected.
2.5.2 RUN LED (Green)
The RUN LED presents the firmware status of I-8124W. There are three
situations in RUN LED.
(1). LED off :
Some error happens on the bus or in the I-8124W module. The
DeviceNet firmware doesn
’t work.
(2). LED twinkle (Green) :
This indicates that the CAN bus works well. But there is no slave device
configured in the EEPROM of I-8124W. The DeviceNet firmware is waiting
for configuration. Users can use APIs or utility tool to add or remove the
slaves in the
“ScanList”.
