Jumper Configuration
The jumpers are used to configure the inputs for the I/O boards as sinking or sourcing. Each socket has its own corresponding jumper, allowing each board with inputs to be independently configured for sinking or sourcing.
Sinking Inputs: | Position 3 (shown) |
| Jumps |
Sourcing Inputs: | Position 1 |
| Jumps |
The default jumper position when shipped from the factory is position 3, as shown below. The jumper positions only affect inputs on the VM24. Jumper position does not affect the outputs. Jumper position is irrelevant for
JU1
Pin 3 = Vi
Pin 2 = Pull Up (connection to SIM socket)
1
Pin 1 = Ground
JU2
1
JU3
1
Figure 5: VM24 Jumpers
Installing the VM24 11