Delta AH500 Manual page 532

AH500 Module Manual
LED status
The extension rack error or
E5 the extension rack does not
exist.
The data configuration length
E6 exceeds the allowed
maximum 500 words
AHRTU-DNET-5A is detecting
if the node address is
E7
duplicate with that of other
device on the network.
A timeout occurs when
E8 AHRTU-DNET-5A exchanges
data with the I/O module.
The number of AH10SCM-5A
E9 module exceeds the
maximum.
AHRTU-DNET-5A is in STOP
80
state.
Downloading the I/O data
83
configuration in the software
Downloading the data
84 configuration of AH10SCM-5A
serial port in the software
11-106
Indication
1. Check if the extension rack is connected
2. Check if the extension rack is consistent with
Check if the configured modules on the rack are
so many that the configured data length exceeds
the maximum 500 words.
If the code is shown for long, please treat the
error by the following means.
1. Ensure that at least two nodes work on the
2. Check if the two ends of the network have
3. Check if the baud rate of the node
4. Check if the communication cable is
5. Check if the communication cable exceeds
6. Check if the shielded wire has been
7. Repower AHRTU-DNET-5A.
Check if AHRTU-DNET-5A and the I/O module
are running normally.
Reduce the quantity of the AH10SCM-5A
module, which should be no more than 8.
1.
2.
Wait until downloading the configuration data of
AHRTU-DNET-5A is completed.
Wait until downloading the serial port
configuration data of AH10SCM-5A is completed.
How to deal with
correctly.
the configuration.
network.
been connected with a 121 Ω resistor
respectively.
equipment on the network is the same.
abnormal, e.g. loose or cut.
the maximum transmission distance. If it
does, the system can not be kept stable.
grounded.
Turn the switch RUN/STOP to RUN.
Check if the control word of
AHRTU-DNET-5A is 1. See section 4.1 for
details.