The following measuring ranges can be configured for AX521
Ä
Chapter 1.6.2.2.5.6 “Parame-
terization” on page 511 and for AX522
Ä
Chapter 1.6.2.2.6.6 “Parameterization” on page 536:
Voltage 0 V...10 V 1 channel used
Voltage -10 V...+10 V 1 channel used
In order to avoid error messages or long processing times, it is useful to configure unused
analog input channels as "unused".
Connection of active-type analog sensors (Current) with galvanically isolated power supply
Fig. 66: Connection example
Current 0 mA...20 mA 1 channel used
Current 4 mA...20 mA 1 channel used
Unused input channels can be left open-circuited, because they are of low resistance.
I/O modules > Analog I/O modules
2022/01/31 3ADR010278, 3, en_US 531
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