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QY20-2HC Two Pulse High‑speed Input Counting Module for ZQ600 / QY20 Series PLC

QY20-2HC High‑Speed Counter Expansion Module

QY20-2HC Two Pulse High‑speed Input Counting Module for ZQ600 / QY20 Series PLC

QY20‑2HC is a two‑channel high‑speed pulse input counting module, applicable for ZQ600 series PLC IO expansion and QY20 series coupler IO expansion. It supports 5V differential and 24V single‑ended pulse signal types including AB‑phase, Pulse + Direction, CW/CCW. IP20 protection grade, DIN‑rail backplane bus installation, compact size for cabinet automation control.

  • Item No :

    QY20
  • Order(MOQ) :

    20
  • Payment :

    Paypal/TT/Western Union
  • Product Origin :

    Shanghai, China
  • Lead Time :

    18-30 days
  • Weight :

    5 kg

QY20‑2HC is a 2‑channel high‑speed pulse input counting module designed for IO expansion of ZQ600‑series PLC and QY20‑series coupler. Supporting both 5 V differential and 24 V single‑ended pulse signals including AB‑phase, Pulse + Direction and CW/CCW modes, this module is ideal for encoder feedback and motion counting applications. It features IP20 protection grade, compact dimension of 12 × 83 × 100 mm and weight of approx. 60 g, adopting backplane‑buckle installation without hot‑swap support. Powered by DC 5 V from backplane bus with typical current of 85 mA, it provides 0‑30 ms configurable input filtering. Equipped with PR power indicator (red) and ER status/alarm indicator (yellow), the module complies with IEC 61131‑2 Zone B EMC standard and IEC 60068‑2 vibration & shock resistance requirements. Its operating temperature ranges from ‑20 ℃ to 55 ℃, storage temperature from ‑40 ℃ to 70 ℃ with non‑condensing humidity of 10‑90 %RH, and the maximum applicable altitude is ≤2000 m. Please install or detach the module under power‑off status; forced cooling is required if ambient temperature exceeds the rated upper limit.

Product Description

Model

Description

Machine code

Applicable model

QY20-2HC

Two pulse high-speed input counting module

 

ZQ600 series PLC IO expansion

QY20 series coupler IO expansion

 

Name

Description

Backplate Buckle

The pressing state is open and the lifting state is locked

pilot lamp

PR

Power on / operation indicator light

Red

power light

 

ER

Incorrect indicator light

Yellow

Steady On: The system is running and address allocation is complete.

Fast Flashing: Alarm or stop.

Slow Flashing: The system is running, but address allocation is not yet complete.

Color coding

DI: Blue

DO: Red

AD: Green

DA: Orange

Others: Purple

Backplane Connection

Backplane bus and power cable expansion

User Terminal

User wiring terminal

Instructions:

Fast flashing: 50ms on, 50ms off.

Slow flashing: 50ms on, 1000ms off.

Technical Specifications

Basic specifications

Project

Specifications

IP grade

IP20

Size (width X height X depth)

12*83*100

weight

About 60g

Power supply specifications

Project

Specifications

Bus input power supply rated voltage

DC5V

Bus input power supply rated current

85mA (typical at 5 V)

Module hot plug function

nonsupport

Input specification

Project

Specifications

Input type

Analog Input

Input Channel

4 channel

Rated voltage

24V

Input type

- 5V differential AB phase

- 5V differential pulse + direction

- 5V differential CW/CCW

- 24V single-ended AB phase

- 24V single-ended pulse + direction

- 24V single-ended CW/CCW

Input filtering

0~30ms optional

Input Current

7mA

Input voltage

5~24V

Environmental Specifications

Project

Specifications

Operating Environment

Suitable for environments without corrosive or flammable gases, and where conductive dust is not severe.

Altitude

≤2000m

Pollution Degree

Class 2

Immunity

Power supply 2kV(IEC 61000‑4‑4)

Overvoltage Category

I

EMC Immunity Level

Zone B,IEC61131‑2

Vibration Resistance

IEC 60068‑2‑6 5Hz8.4Hz,3.5mm,8.4Hz150Hz,1g,Tested in X/Y/Z axes, 10 cycles per axis

Shock Resistance

IEC 60068‑2‑27 150m/s2 ,11ms,Tested in ±X/Y/Z directions (6 directions total), 3 times per direction (18 times in total)

Storage Temperature

Storage Temperature

-40°C to 70°C

Relative humidity: < 90%RH (non-condensing)

Operating Temperature

Operating Temperature

-20°C to 55°C

Relative humidity: 10%RH to 90%RH (non-condensing)

Note: When the operating temperature exceeds the maximum limit, a forced fan or air conditioner must be installed in the direction of the cooling vents.

 

Typical Wiring Diagram

 

 

Dimension

 

 

 
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