Functional Description
AP20S
Date: 24.08.2020
Art. No. 89992
Mod. status 133/20
Page 14 of 79
3.1.3
Status word: Position-dependent operating modes
The response to a target write command contains a status word that has not
yet been updated.
The Status Word shows the current status of the AP20S. It is composed of eight bits.
Status word
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
MSB High Byte
Low Byte LSB
The designation of the individual bits of the control word as well as their meaning:
Bit
Meaning
Value= 0
Value= 1
0
Direction indication CW
Target value
counterclockwise or in
positive direction
Target value clockwise or in
negative direction
1
Direction indication CCW Target value clockwise or in
negative direction
Target value
counterclockwise or in
positive direction
2
Calibration executed
No calibration is currently
being carried out
A calibration is currently
being carried out
3
Target window extended
reached
Extended target window is
not reached
Extended target window is
reached
4
reserved
ever 0
-
5
Target window reached
Target window is not
reached
Target window is reached
6
Deviation
Deviation
Actual value <= target value
Deviation
Actual value > target value
7
General error
No error
There is an error
8
reserved
ever 0
-
9
Actual value =
incremental measurement
Increment measurement is
deactivated
Increment measurement is
activated
10
Target value activation
Target value is not activated Target value is activated
11
Battery state
Battery
Charging state is OK
Battery
Charging state is critical
12
Sensor error
There is no sensor error
There is a sensor error
13
Key Configuration
Button is not pressed
Button is pressed
14
Key Calibration
Button is not pressed
Button is pressed
15
Key Incremental
Button is not pressed
Button is pressed
Table 4: Status word operating mode Abs, Diff, Modulo
3.1.4
Alpha-numeric display operating mode
Two 6-digit target values can be displayed in this operating mode. With factory settings, the
target values are acknowledged by pressing the key (see chapter