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GD310-UL series VFD
Installation guidelines
-29-
Terminal
name
Description
+10V
Local power 10V
AI1
1. Input range: AI1/AI2 voltage and current can be chosen: 0
–10V/0–20mA; AI1 can be
shifted by J3; AI2 can be shifted by J4
AI3: -10V
–+10V
2. Input impedance: voltage
input: 20kΩ; current input: 500Ω
3. Resolution: the minimum one is 5mV when 10V corresponds to 60Hz
4. Deviation ±1%, 25°C
AI2
AI3
GND
+10V reference null potential
AO1
1. Output range: 0
–10V or 0–20mA
2. The voltage or the current output is depended on the jumper
3. Deviation±1%, 25°C
AO2
RO1A
RO1 relay output, RO1A NO, RO1B NC, RO1C common terminal
Contactor capability: 3A/AC250V, 1A/DC30V
RO1B
RO1C
RO2A
RO2 relay output, RO2A NO, RO2B NC, RO2C common terminal
Contactor capability: 3A/AC250V, 1A/DC30V
RO2B
RO2C
PE
Grounding terminal
PW
Provide the input switch working power supply from external to internal.
Voltage range: 12
–24V
24V
The VFD provides the power supply for users with a max output current of 200mA
COM
+24V common terminal
S1
Switch input 1
1. Internal impedance:
3.3kΩ
2. 12
–30V voltage input is available
3. The terminal is the dual-direction input terminal supporting
both NPN and PNP
4. Max input frequency: 1kHz
5. All are programmable digital input terminal. User can set
the terminal function through function codes.
S2
Switch input 2
S3
Switch input 3
S4
Switch input 4
S5
Switch input 5
S6
Switch input 6
S7
Switch input 7
S8
Switch input 8
HDI
Except for S1
–S8, this terminal can be used as high frequency input channel.
Max. input frequency: 50kHz
HDO
1. Switch input: 50mA/30V
2. Output frequency range: 0
–50kHz
CME
Common terminal of the open collector pole output
Y1
1.Swtich capability: 50mA/30V
2.Output frequency range: 0
–1kHz
485+
485 communication interface and 485 differential signal interface
If it is standard 485 communication interface, please use twisted pairs or shield cable.
485-
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