Measurement Computing Switch & Sense 8/8 User Manual page 13

Switch & Sense 8/8 User's Guide
1.6 K
The figure below shows a simple connection from a +9 V battery to the relay 4 terminals. When the relay is
energized, the relay 4 NO terminal connects the battery voltage to the input 4 terminal (IP4B).
The figure below shows the schematic of this connection.
Isolated Input
Not Polarized
Figure 6. Switch & Sense 8/8 single-channel configuration
Figure 7. Simple battery-to relay connection
NO
C
+9 V
NC
Figure 8. Schematic of battery-to relay connection
+5V
100K
47K
Circuitry Sharing
PC Ground
IP4B
IP4A
13
Functional Details
Filter Switch
0.1uF