ABB ACS880 Firmware Manual page 452

452 Parameters
No. Name/Value
81.59 Observer status
word
Bit Name
0 PID supervision
is on
1 Below low level
2 Above high level 1 = PID feedback signal is above the threshold level set in parameter
3 Between low and
high
4 High or Low
5 PID error flag
high
6 Closed-loop timer
is on
7 Closed-loop
trigger
8...9 Reserved
10 Watchdog is on
11 Speed-error too
low
12 Open-loop trigger 1 = Observed signal satisfies the triggering condition and trip delay time has
13 Reserved
14 Digital sensor
status
15 Web-loss
detected
0b0000... 0b111111
Description
Displays the actual status of the web-loss observer function.
This parameter is read-only.
Description
1 = PID supervision is activated.
0 = PID supervision is disabled.
1 = PID feedback signal is below the threshold level set in parameter
Level low.
0 = PID feedback signal is above the threshold level set in parameter
Level low.
Level high.
0 = PID feedback signal is below the threshold level set in parameter
Level high.
1 = PID feedback signal is between the thresholds set in parameters
Level low and 81.13 Level
0 = PID feedback signal is beyond the thresholds set in parameters
low and 81.13 Level high.
1 = PID feedback signal is either below the threshold set in parameter
Level low or above the threshold set in parameter
0 = PID feedback signal is between the values set with parameters
low and 81.13 Level high
1 = PID error signal is above the threshold set in parameter
threshold %.
0 = PID error signal is below the threshold set in parameter
threshold %.
1 = Closed-loop timer is On.
0 = Closed-loop timer is Off.
1 = Observed signal satisfies either of the triggering conditions set in
feedback supervision and the trip delay time has elapsed.
0 = All trigger conditions are not satisfied.
1 = Open-loop supervision is active now.
0 = Open-loop supervision is not active.
1 = Observed speed error signal is below
0 = Observed speed error signal is above the threshold.
elapsed.
0 = All trigger conditions are not satisfied.
1 = Web-loss sensor is activated.
0 = Web-loss sensor is not activated.
1 = Web-loss function is enabled.
0 = Web-loss function is disabled.
Web-loss observer status word.
high.
81.13 Level
81.04 Speed error low %
Def/FbEq16
0b0000
81.12
81.12
81.13
81.13
81.12
81.12 Level
81.12
high.
81.12 Level
81.14 PID error
81.14 PID error
81.11 PID
signal.
1 = 1