4.4 Resistance & Voltage Inputs
A - Resistance inputs, the cable arrangement doesn't matter, because the cable used here is black (the black cable goes to R and GND). The resistance inputs are for potential connections that are resistance based (e.g. tanks, freezer, etc.).
B - Voltage inputs, used for user sensors. Voltage range is from 0 to 75V (the red cable goes to U4 and U3, the black cable goes to GND).
4.5 4 Stage Level 1 & 2
A – 4 stage level 1, all sensors are connected to base and individual sensors to the
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