For your safety before operating Airmast Q1, carefully read the operating manual; operating equipment must go through formal training, and after the device owner approval to operate. 1.0 Airmaster Q1 I / O port Description: 1.1 digital inputs and outputs 8 digital inputs: X02 8 digital outputs: X07, X08, X09 1.2 analog inputs and outputs 3 analog inputs: X03 1 channel analog Output: X01 1.3 Current-voltage detection main motor current detection: X11 main motor current transformer interface, two transformers were measured phase current phase A, B-phase currents, C-phase current is calculated by the formula. NOTE: Display of line current, calculated by the formula derived. Fan motor current detection: X10 fan motor current transformer interface, real-time measurement of fan motor current phase voltage phase sequence detection: X12 start testing phase motor phase sequence wrong phase, phase, phase balance. 1.4 communication port RS485 communication interface 1: X05 RS485 communication interface 2: X06 (optional) Ethernet interfaces: X14 (optional) 1.5 Power Power Interface: X13 AC24V, allowable error range of +/- 15%