Simulator Stick plugs into any Digital Input port and lets you simulate 6 digital inputs.
Use with standard (non-embedded) Ace, Branch and Expansion PLCs
Simulator Stick - Digital (6 digital switches)
$29.00
Velocio.net
Next Generation PLCs. Small, Inexpensive, easy-to-use PLCs. Programmed with vBuilder, the industries most innovative programming software (Free Download).