Weidmuller AI8 - Multi channel signal transmitter Benutzerhandbuch
Seite 31
1
Equipment requirements
• A suitable current/voltage source (must be able to generate
0.00 mA and 10.00 V to ±0.05 % or better accuracy)
• An accurate digital multimeter (accurate to 0.05 mV and ±0.1 μA)
Terminal Connections for Input calibration
Calibration Stage
Signal type
Input Channel
1
2
3
4
5
6
7
8
Inputs
Signal source (+)
1
2
4
5
7
8
10
11
Signal source (−)
3
6
9
12
Input calibration procedure
1. Select the channel you wish to calibrate (see diagram above).
. Press ENT , display will show: Short Input 1
. Short the input terminals for that channel.
. Press ENT, Display will show Processing... message.
5. When the display shows Input1 @ 20.00 mA connect
0.00 mA dc to the input.
6. Press ENT, Display will show Processing... message.
7. When the display shows Input1 @ 10.00 V connect
10.00 V DC to the input.
8. Press ENT, Display will show Processing... message.
. At the ‘Continue?’ prompt, select ‘Yes’ to go the next Input
Channel or ‘No‘ to go back to the calibration menu.
10. At the ‘Save?’ prompt, select ‘Yes’ to permanently save the
values or ‘No‘ to use the new values until next power up.