BECKHOFF M2510 - Manual (Page 8)

M2510 Analog Input Beckhoff II/O Lightbus System
Page 8 of 11 Version : 2.0 Date: 20.08.93
Adjusting and Testing of Analog Inputs
The module M2510 is configured to the measuring range 0 to 10V per default. It can be
delivered with customized configuratin and adjustment.
Every analog input of the M2510 can be adjusted indepenedently of the other inputs if
necessary (e.g. change of the measuring range).
First the appropriate jumpers have to be set. Then an adjustment of the mode concerned can
be done:
a) unipolar 0-10 V
- connect input with ground
- read channel by II/O Lightbus test program or other II/O-Lightbus software
(continuously to provide constant transformation)
- use potentiometer "Offset unipolar" to adjust the value read to "0"
b) unipolar 0-1 V
- connect input with ground
- read channel by II/O Lightbus test program or other II/O-Lightbus software
(continuously to provide constant transformation)
- use potentiometer "Offset unipolar" to adjust the value read to "0"
- connect and adjust precisely 1V to the input
and then adjust by using potentiometer"GAIN" to the value "FFFh
c) unipolar 0-20 mA
- connect input with ground
- read channel by II/O Lightbus test program or other II/O-Lightbus software
(continuously to provide constant transformation)
- use potentiometer "Offset unipolar" to adjust the value read to "0"
- connect and adjust precisely 20mA to the input
(alternatively 1V with 50 Ohm burden, or 10V with 500 Ohm burden)
and then adjust by using potentiometer"GAIN" to the value "FFFh
d) bipolar +/-10 Volt
- connect input with ground
- read channel by II/O Lightbus test program or other II/O-Lightbus software
(continuously to provide constant transformation)
- adjust by using potentiometer "Offset bipolar" the read in value to "800h"