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GD350A series high-performance multifunction VFD
-318-
input, 1 analog output, and 1 RS485 communication channel (for master/slave switchover). It is user-
friendly, providing relay outputs through European-type screw terminals and other inputs and outputs
through spring terminals.
EC-PC502-00 terminal function description:
Category
Sign
Name
Function
Power
PW
External power
The working power of digital input is provided
by an external power supply.
Voltage range: 12–24 V
The terminals PW and +24V are shorted
before delivery.
24V
Internal power
Internal output power: 100mA
Digital
input/output
PS1—COM
Digital input 1
1. Internal impedance: 4 k
Ω
2. Allowable voltage input: 12–30 V
3. Bidirectional terminal
4. Max. input frequency: 1 kHz
5. Supporting both source type input and sink
type input, but the input type must be the
same
PS2—COM
Digital input 2
PS3—COM
Digital input 3
PS4—COM
Digital input 4
PS5—COM
Digital input 5
PS6—COM
Digital input 6
PY1—CME
Digital output 1
1. Switch capacity: 200 mA/30 V
2. Output frequency range: 0–1 kHz
3. The terminals CME and COM are shorted
through J1 before delivery.
PY2—CME
Digital output 2
Analog
input/output
AI1
Analog input 1
1. Input range: 0~10V or 0~20mA
2. Input resistance: 20k
Ω
for voltage input,
and 250k
Ω
for current input
3. Whether the input is the voltage or current
type is set through the jumper.
4. Resolution: When 10V corresponds to
50Hz, the min. resolution is 5mV.
5. Deviation ±1%, 25°C, full measuring range
AO1
Analog output 1
1. Output range: 0~10V voltage or 0~20mA
current
2. Whether the output is the voltage or current
type is set through the jumper.