The Pneumatic Control Module
The next component we found was a new pneumatic control module. This is an all-new component and has some interesting features. First and foremost is the CAN connectivity. In addition, the compressor relay and the pressure switch connect directly to the solenoid module. We'll see later how the code works to control all that. In addition the module supports 12V and 24V solenoid operation, however it does not support them concurrently.

The New 2015 Pneumatic Control Module

Next, we see the new clamp connection fittings. That's a big improvement over the old PWM connectors. These are both more secure, and much easier than having to constantly make PWM connectors. These connectors are called Weidmuller Connectors. The product page for these connectors can be found here:

Weidmuller Connector

Wires can be inserted and removed from the connectors with the push of a fingernail or small screwdriver. In addition, unlike the Wago connectors on the power distribution panel, these connectors can easily be accessed when components are next to the pneumatic control module (PCM).

Weidmuller Connector

The physical dimensions of the PCM are 2.25" x 2.75" x 0.75". Nice and small.

PCM Width

PCM Length

PCM Height

Finally, we have the PCM weight. The solenoid bumper on the cRIO system weighs around 150 grams, and that's without the breakout board. The solenoid module comes in at a petite 64 grams.

PCM Weight