Baumer GNAMG. 153P Series Manual - Halaman 14
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6.6. Preset function
The control can transmit a preset value to the inclination sensor, thus setting the inclination sensor at the
predetermined mechanical position to a defined position value. The preset must be within the programmed
total sensing range depending on the selected resolution.
For optimum alignment of mechanical position and preset value, it is recommended to set the preset only
when the inclination sensor is idle.
For setting the preset, the preset value is transmitted twice to the inclination sensor by the control: First
with set most significant bit (MSB), second again with reset MSB. So to say, the MSB serves as „Clock"
bit. The first transmission is relevant for the time of adoption.
The set preset value must be within the limits of the parameterized resolution listed in the table below:
Sensor
30°
The corresponding two command sequences for the preset:
At the 360° sensor the X-axis must be write only!
Axis
X -axis
Y-axis
Example: Reset of the inclination sensor X-axis (Preset value = 0)
Step 1:
Output byte 10
Output byte 11
00000000 (0x00)
00000000 (0x00)
Step 2:
00000000 (0x00)
00000000 (0x00)
6.7. Offset function (not possible for the 360° sensor)
Utilizing the difference between actual position value and preset value the inclination sensor calculates for
internal purposes a so-called offset value that normally is not relevant for the application. However, it is
also possible to define a specific offset value that is added to the actual inclination value of the axis.
The procedure is the same as for setting the preset, and also the offset limits must be selected according
to the parameterized resolution.
Sensor
30°
Both command sequences for the offset:
Axis
X-axis
Y-axis
Baumer_GNAMG_Profibus_MA_EN
07.18
Resolution
0.001°
0.01°
0.1°
1.0°
With set MSB
10000101 (0x85)
10000110 (0x86)
Output byte 12
00000000 (0x00)
00000000 (0x00)
Resolution
0.001°
0.01°
0.1°
1.0°
With set MSB
10010001 (0x91)
10010010 (0x92)
Minimum limit
-30000
-3000
-300
-30
With reset MSB
00000101 (0x05)
00000110 (0X06)
Output byte 13
00000000 (0x00)
00000000 (0x00)
Minimum limit
-30000
-3000
-300
-30
With reset MSB
00010001 (0x11)
00010010 (0X12)
14/19
Maximum limit
+30000
+3000
+300
+30
(Command byte)
Output byte 14
10000101 (0x85)
00000101 (0x05)
Maximum limit
+30000
+3000
+300
+30
Baumer IVO GmbH & Co. KG
Villingen-Schwenningen, Germany