Error Code List For Bacnet Request Function/Bacnet Monitoring Function - Mitsubishi Electric MELSEC iQ-R User Manual

3.4
Error Code List for BACnet Request Function/
BACnet Monitoring Function
An error code for the BACnet request function (read function and write function) and BACnet monitoring function is output to
the STATUS of each data block.
Error Name
code
0 Normal
1 Write data is invalid.
2 Error reception
3 Reject reception
4 Abort reception
5 Retry limit exceeded
6 Destination device status
is abnormal
7 The property information
in the buffer memory is
invalid.
8 Other errors
13 Unable to reach the
destination device.
15 Unable to reach the
external network.
16 Packet size exceeds
receivable APDU size.
17 The number of segments
exceeds the receivable
number of segments.
3 TROUBLESHOOTING
236

3.4 Error Code List for BACnet Request Function/BACnet Monitoring Function

Description

The data type of the property set as a monitoring target
with the BACnet monitoring function is not supported.
An Error response is received from the request target
BACnet device for the request from the BACnet module.
A Reject response is received from the request target
BACnet device for the request from the BACnet module.
An Abort response is received from the request target
BACnet device for the request from the BACnet module.
No response is returned from the request target BACnet
device against the request from the BACnet module.
The request target BACnet device has left the BACnet
system. (The SystemStatus property is not Operational,
for example.)
The value set to a data block is invalid.

Unable to recognize the specified request target device
as a communication target.
Failed to send to the external network.
The packet size sent from the BACnet module exceeds
the allowable range of the send target BACnet device.
The number of segments sent from the BACnet module
exceeds the allowable range of the send target BACnet
device.
Corrective action

• Review the settings of property. The supported data
types are described in the following section.
Page 289 PrimitiveDataType
• Contact the manufacturer of the request target device
to ask for the settings of objects or properties.
• Contact the manufacturer of the request target device
to ask for the reason of the Reject response.
• Contact the manufacturer of the target device to ask for
the reason of the Abort response.
• Check if there is any disconnection.
• Check if the instance number of the destination device
set to a data block is correct.
• Check if the request source device runs normally.
• Check if the instance number of the destination device
set to a data block is correct.
• Check if the request target BACnet device has joined
the BACnet system.
• Check if I-Am services are received from the request
target device periodically.
• Check if an invalid value is stored.
• Please consult your local Mitsubishi representative.
• Check if the instance number of the destination device
set to a data block is correct.
• Check if the request target BACnet device has joined
the BACnet system.
• Check if I-Am services are received from the request
target device periodically.
• Review the network configuration.
• Change the value of MaxScanPropertyCount in
[Settings]  [Basic Information]  [BACnet Detail
Setting] button  [Edit] button  "Interaction" to adjust
the number of properties.
• Change the value of a MaxScanPropertyCount in
[Settings]  [Basic Information]  [BACnet Detail
Setting] button  [Edit] button  "Interaction" to adjust
the number of properties.