EA180 Series Servo Drive Users Manual Typical examples of incorrect connection Error 1: No current limiting resistor connected, and port will be damaged Servo drive Error 2: Multiple ports share a current limiting resistor, resulting in pulse receipt error Servo drive No current limiting resistor 25 +24V 25 +24V connected PULHIP 1 2K Ω Current limiting resistors are not used separately PULHIP 1 2K Ω VCC PULSE+ 33 100 Ω VCC PULSE - 34 PE 100 Ω PE 100 Ω COM COM Servo drive Servo drive Error 3:
SIGN port is not connected, resulting in no pulses received by both ports 25 +24V PULHIP 1 2KΩ VCC R1 PULSE+ VCC PULSE - No SIGN signal 100Ω connected PULHIS 16 2KΩ SIGN+ SIGN - PE 100Ω COM Figure 3-16 Four typical incorrect connections 3.4.8 Frequency division output circuit of CN4 encode Table 3-9 Encoder frequency division output signal description The encoder frequency division output circuit outputs differential signals through a differential drive. In general, it will provide feedback signals when the drive and the host device constitute the position control system.
In the upper device, please use differential or optocoupler receiving circuit to receive signals, with a maximum output current of 20mA.
35 33 PULSE- 34 PULHIS SIGN+ 31 32 PULHIS SIGN+ SIGN- 31 32 +24V 25 1 2KΩ 100Ω 33 34 100Ω 16 2KΩ 31 100Ω 32 100Ω 33 PULSE- Collector signal not connected to designated port PULHIS SIGN+ PULSE- 34 PULHIS SIGN+ 31 SIGN- PE COM SIGN- 32 33 34 31 32 Signal Pin # Function PA+ 28 Phase A differential frequency division output signal Phase A, B orthogonal frequency division pulse output signal PA- 13 PB+ 12 Phase B differential frequency division output signal PB- 27 PZ+ 11 Phase Z differential frequency division output signal Origin pulse output signal PZ- 26 OCZ 35 Phase Z OC gate frequency division output signal Origin pulse open collector output signal GND 14 Origin pulse open collector output signal ground