Allen-Bradley 1788-CN2FFR, User Manual, Page: 58 / 104

56 Rockwell Automation Publication 1788-UM057B-EN-P - September 2014
Chapter 4 Diagnostics
The count of good quality reply packets that are received from the field device.
(Cyclic Redundant Code [CRC] check passed.)
Bad CRC Packets
The count of reply packets that are received from the field device that were
rejected because the CRC check failed.
No Replies
The count of communication request to which the field device did not respond.
Success Rate
The rate of good replies to the number of requests for the last 100 requests.
Signal Quality
Displays the quality of the waveform for the field device by evaluating slew rate,
amplitude, distortion, noise, and balance.
Allocated
True if the field device has been allocated a field device index of 00 through 15.
If a field device is in the visitor list, it has not been allocated.
Compel
True if the field device has been allocated and configured to compel data.
The field device is also included in the schedule.
Live Data
True if the field device is allocated and configured, and is currently producing
live data.
Value Description
0…33 Bad
34…66 Poor
67…100 Good