Delta AS02PU-A - Indicator Diagnosis

AS Series Module Manual
11-92
11
11.5.6.1. Indicator Diagnosis
 NS indicator
LED status Indication How to deal with
OFF
No power supply;
Or the repeated node ID
detection has not been
completed.
1. Check the power supply for AS01DNET (RTU) and the
connection are normal.
2. Make sure that the baud rates of AS01DNET (RTU) and
the master match.
Green light
blinking
(ON:0.5s and
OFF: 0.5s
alternately)
No connection between
AS01DNET (RTU) and its right-
side modules
Configure AS01DNET (RTU) in the DeviceNet software and
download the configuration correctly.
Green light
ON
Normal I/O data transmission
between AS01DNET (RTU) and
DeviceNet master
No correction needed
Red light
blinking
(ON:0.5s and
OFF: 0.5s
alternately)
I/O connection timeout between
AS01DNET (RTU) and DeviceNet
master
Refer to the error shooting in Codes in Seven-Segment
Displayer below.
Red light ON
Network trouble;
Repeated node ID;
No network power;
Or BUS-OF F.
1. Ensure that the IDs of all nodes are unique on the bus.
2. Check if the network installation is normal.
3. Check if the baud rate of AS01DNET (RTU) is the same
as that of the bus.
4. Check if the node ID of AS01DNET (RTU) is valid.
5. Check if the network power supply is normal.
 MS indicator
LED status Indication How to deal with
OFF
No power
Check if the power supply for AS01DNET (RTU) and
connection are normal.
Green light
blinking
(ON:0.5s and
OFF: 0.5s
alternately)
1. AS01DNET (RTU) is waiting for
the I/O data from DeviceNet
master.
2.
No I/O data transmission
between AS01DNET(RTU) and
DeviceNet master
3.
The PLC connected to
DeviceNet master is in STOP
state.
1. Configure AS01DNET (RTU) in the DeviceNet software
and download the configuration correctly.
2. Switch the PLC to RUN state
Green light
ON
Normal transmission of I/O data
between AS01DNET (RTU) and
DeviceNet master
No correction needed