User Manual of EM760 High-Performance Inverter 3.3.2 Functions and wiring of control circuit terminals Table 3-3 Functions of control circuit terminals 54 Category Terminal label Terminal name Terminal function description Auxiliary power supply 10V- GND +10V power supply Supply +10.5±0.5V power to external devices. Maximum output current: 20mA 24V- COM +24V power supply Supply +24V power to external devices. It is usually used as the working power supply for digital input and output terminals and also the power supply for external devices. Maximum output current:
200mA PLC Multi-functional common input terminal Delivery with default connection to 24V When an external power source drives the digital input terminal, it is required to disconnect the 24V terminal and connect the external power source Analog input AI1- GND Analog input terminal 1 Input voltage range: DC -10~ 10V/0~10V, optional for selection by using function code F02.62 AI2- GND Analog input terminal 2 Input range:
DC 0~10V/0~20mA/4~20mA; AI2 can be selected by using function code F02.63; AI3 can be selected by using function code F02.64 AI3- GND Analog input terminal 3 Digital input port X1- COM Multi-function input terminal 1 Optocoupler isolation, compatible with NPN and PNP bipolar input Input impedance: 4kΩ Input voltage range:
9-30V X2- COM Multi-function input terminal 2 X3- COM Multi-function input terminal 3 X4- COM Multi-function input terminal 4 X5- COM Multi-function input terminal 5 X6- COM Multi-function input terminal 6 X7- COM High-speed pulse input terminal Apart from using as a multi-functional input terminal, it can also be used as a high-speed pulse input terminal; the maximum response frequency: 100kHz, Input voltage: 12-30V, Input impedance: 2 kΩ Analog output M1- GND Analog output terminal 1 Output range: DC 0~10V/0~20mA/4~20mA; M1 can be selected by using function code F03.34; M2 can be selected by function code F03.35 M2- GND Analog output terminal 2 Output range:
DC 0~10V/0~20mA/4~20mA, optional for selection by using function code F03.35 Multi-function output Y1- YCM Open output terminal ofcollector Optocoupler isolation, open output of the collector Maximum output voltage: DC30V, Output current: 50mA Y2- COM High-speed pulse output terminal Optocoupler isolation, open output of the collector Maximum output voltage: DC30V Maximum output current: 50mA As a high-speed pulse output, the maximum output frequency is: 100kHz Relay output R1: EA-EB- EC Relay output terminal EA-EC: normally open; EB-EC: normally closed R2: RA-RB- RC RA-RC: normally open RB-RC:
normally closed Communication A+ RS-485 communication terminal positive terminal of 485 differential signal A- negative terminal of 485 differential signal