The 3 Inputs on this I/O board will trigger when a signal is detected between approximately 2.7V and 5V. Do not connect any voltage higher than 5V to these inputs. If all the input signals you are using have a common ground, this is the least expensive way to go.
3 Low Voltage (5V max) COMMON GROUND Inputs
1 LED Channel port shared with LED Port 1, 2, or 3 LED ports on the main Pinnunciator board depending on which Pinnunciator port this I/O board is plugged into.
1 Digital Output for turning high power devices on and off such as motors, coils, and other devices. Identified as Digital Output 1, 2, or 3 depending on which Pinnunciator port this board is plugged into.
