Kruger Ecowatt K320 Series Operation Manual page 35

Ecowatt Drive K320 series
®
Terminal
name
+10V Locally provided +10.5V power supply
AI1 Input range: AI1 voltage/current can choose 0–10V / 0–20mA; AI2: -10V –

+10V;
Input impedance: 20kΩ during voltage input; 250Ω during current input;

Whether the input is voltage or current is set through P05.50;

AI2
Resolution ratio: When 10V corresponds to 50Hz, the min. resolution ratio

is 5mV;
Deviation: ±0.5% at 25°C, when input is above 5V/10mA.

GND +10.5V reference zero potential
Output range: 0–10V or 0–20mA

AO1 Whether the output is voltage or current is set through the switch SW2

Deviation: ±0.5% at 25°C, when input is above 5V/10mA.

RO1A
RO1 relay output; RO1A is NO, RO1B is NC, RO1C is common terminal

RO1B
Contact capacity: 3A/AC250V, 1A/DC30V

RO1C
RO2A
RO2 relay output; RO2A is NO, RO2B is NC, RO2C is common terminal

RO2B
Contact capacity: 3A/AC250V, 1A/DC30V

RO2C
Switch capacity: 50mA/30V

HDO Range of output frequency: 0–50kHz

Duty ratio: 50%

COM Common terminal of +24V
CME Common terminal of open collector output; short connected to COM by default
Switch capacity: 50mA/30V
Y1
Range of output frequency: 0–1kHz
485+ RS485 communication port, RS485 differential signal port and standard RS485
communication port must use twisted shielded pair; the 120ohm terminal
485-
matching resistor of RS485 communication is connected by the switch SW3.
PE Grounding terminal
Used to provide input digital working power from the external to the internal.
PW
Voltage range: 12–30V
24V User power provided by the VFD, maximum output current 200mA.
COM Common terminal of +24V
Figure 4-15 Control circuit wiring diagram
Description
-26-
Installation guidelines