Chapter 11 DeviceNet Remote I/O Module AHRTU-DNET
11-107
When multiple errors exist simultaneously, the digital displayer of AHRTU-DNET-5A will show the
error codes cyclically. For example, E4 12 E5 02 E4 12 E5 02 is shown in cycle, the error indication
is as follows.
E4 indicates that the module error occurs or the module is offline. See the error code for details.
12 indicates that the position of the module where the error exists. The first number 1 indicates
the module is positioned on the first rack, the second number 2 indicates that the module is
connected to the slot 2 on the rack. (Rack number:1~8; 1 refers to the main rack; 2~8 are the
extension rack; the slot number: 0~11)
E5 indicates that the extension rack error or the offline problem occurs. See error code for
details.
02 indicates that the rack which has a fault or is offline is the second rack (Rack number is 1~8;
1 refers to the main rack; 2~8 are the extension rack).
11.7.3 Status Word Diagnosis
The status word in AHRTU-DNET-5A is used to display the running state of the special module,
DI/DO module and the Modbus equipment. See the following table on the diagnosis of the status
word.
Bit 0
0
AHRTU-DNET-5A is in RUN
state.
--
1
state.
Restart AHRTU-DNET-5A.
Bit 1
0
The configuration data in
AHRTU-DNET-5A are valid.
--
1
The configuration data in
AHRTU-DNET-5A are invalid.
Use the DeviceNet Builder software to
re-download the configuration to
AHRTU-DNET-5A.
Bit 2
0
The module on the rack runs
normally.
--
1
The module on the rack is
abnormal.
Ensure that the module on the rack
runs normally, and there is no alarm.
Bit 4
0
The module currently connected
fits the configuration.
--
1
The module currently connected
does not fit the configuration.
1. Check if the module fits the
configuration.
2. If not, keep the connected module
fit the configuration in the
software by changing the
connected module or the
configuration in the software.
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