Weidmuller WI-I/O-EX: Wireless I/O Expansion Modules v1.11 - Manual (Page 29)

WI-I/O-EX Serial I/O Module User Manual v1.11
WI-IO-EX Manual v1.11 Page 29
4.4.1.2 Differential voltage input
The WI-I/O-EX-1-S-12 can be configured to measure differential voltage. Neighbouring
channels serve as reference voltages in this mode. The four differential pairs are: AIN1-
AIN2, AIN3-AIN4, AIN5-AIN6, and AIN7-AIN8.
Choose the page to configure the WI-I/O-EX-1-S-12 for differential voltage input, as
shown in Figure 4-6.
Remove the access panel from the front of the WI-I/O-EX-1-S-12 case to
gain access to the dip switches. Replace the access panel after setting the
switches.
Set the switches according to the picture shown. The unit should be orientated with the
20-way connector towards you.
Figure 4-6: Setup page for differential voltage input.
Once the dip switches on the unit are set, tick the checkbox on the form, and click Save
configuration. Check the WI-I/O-EX Detected panel to ensure that the analog mode has
been updated (to Voltage, differential).