ASE2000 V2 Communication Test Set User Manual 77
10.4. Task Mode Operation, Monitor Mode
Monitor mode provides a single task called Scan Responses, selection of which starts the line
monitoring process. Exactly one device from the device data base must be active. When operating
on a party line where messages from multiple devices could be detected, it is recommended to
use Exchange Mode.
Communication messages are received and interpreted according to protocol rules and the point
information for the active device.
If the number of points reported by a device does not match the number of points deîš¿ned in the
point data base, and:
• Protocol rules are such that the ASE2000 can correctly parse the message and identify the
point types, indices, and values, then the message is valid and the point data base is updated
with the points reported. If more points are reported than deîš¿ned, additional points are created.
Points will be added to the Point Values view, but the device data base will not be modiîš¿ed.
• Protocol rules are such that when the ASE2000 cannot correctly parse the message, then
results are unpredictable. Most likely, the ASE2000 will report a communication error and no
point data base updates will be made.
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