TECHTOP TD20 Series - Page 17

TD20 Series VFD Installation Guide
-15-
Type
Terminal
name
Function
description
Technical specifications
Y1
Digital output
Contact capacity: 50mA/30V
COM
Common terminal of the open
collector output
Analog
input/output
+10V
External 10V
reference power
supply
10V reference power supply
Max. output current: 50mA
As the adjusting power supply of the
external potentiometer
Potentiometer resistance: 5kΩ
above
AI2
Analog input
1. Input range: AI2 voltage and
current can be chosen:
0–10V/0–20mA; AI3: -10V–+10V.
2. Input impedance:voltage input:
20kΩ; current input: 500Ω.
3.Voltage or current input can be
set by dip switch.
4. Resolution: the minimum AI2/AI3
is 10mV/20mV when 10V
corresponds to 60Hz.
AI3
GND
Analog reference
ground
Analog reference ground
AO1
Analog output
1. Output range: 0–10V or 0–20mA
2. The voltage or the current output
is depended on the dip switch.
3. Deviation±1%, 25°C when full
range.
AO2
Relay output
RO1A
Relay 1 NO
contact
RO1 relay output, RO1A NO, RO1B
NC, RO1C common terminal
RO2 relay output, RO2A NO, RO2B
NC, RO2C common terminal
Contact capacity: 3A/AC250V
RO1B
Relay 1 NC contact
RO1C
Relay 1 common
contact
RO2A
Relay 2 NO
contact
RO2B
Relay 2 NC contact
RO2C
Relay 2 common
contact
3.2.6 Input/Output signal connection figure
Please use U-shaped contact tag to set NPN mode or PNP mode and the internal or external power