Product introduction

Features

High stability and reliability

• Ultra-wide operating voltage: AC85~280V.

• Strict three-proof treatment of the board, adapt to the harsh field environment

• User programme EEPROM permanent storage

• Ultra-strong environmental adaptability

• Excellent anti-interference

High speed and large capacity

• High computing speed — basic instruction: 0.09μs

• Large programme capacity — up to 12k steps without expansion

Reliable programme security

• 8-digit multi-level password protection, unique password compression and encryption technology and stored in the PLC to effectively protect the user's intellectual property rights.

Real-time clock

• The main module has a built-in real-time clock (RTC) and provides a perpetual calendar function.

Superior I/O Expansion

• I/O points can be expanded up to 512 points.

• Expandable up to 8 special function modules

Abundant programming instructions

• Number of instructions

Basic instructions —32pcs

Application instructions — 221pcs

Convenient and fast programming function

• Three programming languages

Ladder diagrams, instruction tables, sequential function charts

• Online modification

Online editing, online downloading, online debugging

Online modification has no step limit and can be modified at will.

• Chinese programming

F1 single key intelligent help

Item

Specification

Input voltage range

85 〜280VAC

DC output voltage

24VDC

Safety regulation

Designed according to IEC61131-2 standard

Working temperature

-5~55℃

Storage temperature

-40 〜70℃

Environment temperature

10 ~ 95%(condensationless)

Protection level

IP30

Power hold

< 200ms

Master Module

Product series

Product model

Description

Size

VC20

VC20-3232BRA

VC20  series 32-point input 32-point relay output master module(AC power supply)

228×90×82

VC20

VC20-3232BTA

VC20  series 32-point input 32-point transistor output master module(AC power supply)

228×90×82

VC20

VC20-4040BRA

VC20  series 40-point input 40-point relay output master module(AC power supply)

275×90×82

VC20

VC20-4040BTA

VC20  series 40-point input 40-point transistor output master module(AC power supply)

275×90×82

I/O Expansion Module

Product series

Product model

Description

Size

VC20

VC20-0808ERN

VC20  series 8-point input 8-point relay output expansion module

58×90×82

VC20

VC20-0808ETN

VC20  series 8-point input 8-point transistor output expansion module

58×90×82

VC20

VC20-1600ENN

VC20  series 16-point input expansion module

58×90×82

VC20

VC20-0016ERN

VC20  series 16-point relay output expansion module

58×90×82

VC20

VC20-0016ETN

VC20  series 16-point transistor output expansion module

58×90×82

Special Function Module

 

Product series

Product model

Description

Size

VC20

VC20-4AD

VC20 series 4-way analogue input module

58×90×82

VC20

VC20-8AD

VC20 series 8-way analogue input module

58×90×82

VC20

VC20-4DA

VC20 series 4-way analogue output module

58×90×82

VC20

VC20-4PT

VC20 series 4-way RTD module

58×90×82

VC20

VC20-8TC

VC20 series 8-way thermocouple module

58×90×82

VC20

VC20-RS485

VC20 series RS485 communication module

32×90×82


 

Master Module Output Interface Specifications

Item

Relay output port

Transistor output port

Loop supply voltage

250VAC, under 30VDC

5 ~ 24VDC

COM voltage

< 8A

<2A

Circuit insulation

Relay mechanical insulation

Optocoupler insulation

Motion indication

Relay output contact closure LED illuminated

LED lights up when the optocoupler is driven

Leakage current at open circuit

/

Less than 0.1 mA/30VDC

Min. load

5mA

2mA/5VDC

Max output current

 

Resistive load

 

 

2A/1 point

8A/4-point group common terminal

8A/8-point group common terminal

Y0、Y1:0.3A/1 point

Other: 0.3A/1 point

0.8A/4  points

1.2A/6  points

1.6A/8  points

For each additional 1 point above 8 points, the  total current increases by 0.1 A

Inductive load

220VAC, 80VA

7.2W/24VDC 

Other:12W/24VDC

Lamp load

220VAC, 100W

Y0、Y1: 0.9W/24VDC

Other:1.5W/24VDC

 

 

ON response time

Up to 20ms

Y0、 Y1: 5 μs

Other:0.5ms

OFF

response time

 

Up to 20ms

Y0、Y1 max output frequency

 

/

 

Output Common

 

Y0-COM0: Y1-COM1 : Y2、Y3-COM2: Y4-COM3: Up to 1 common terminal for every 8 terminals from Y10 onwards, with each common terminal isolated from the other

 

Master Module Main Performance Specifications

Item

Specification

Implementation method

 

Cycle scan

 

Programming method

 

Instruction, ladder diagram, sequential function diagram

 

Instruction Type

Basic instruction

32pcs

Application instruction

221pcs

Implementation time

Basic instruction

0.09 μs

Application instruction

Several μs~ Hundreds μs

Program capacity

 

12K steps

I/O points

Max expansion

Switching input 256 points / Switching output 256 points

X

Input relay

X0〜X377, 256 points,octal code

Y

Output relay

Y0~X377, 256 points,octal code

M

Auxiliary relay

M0-M1999, 2000 points

LM

Local auxiliary relay

LM0-LM63, 64 points

SM

Special auxiliary relay

SM0 〜SM255, 256 points

S

Status relay

S0-S991,992 points(S0-S19 initial step)

S20-S991 ordinary step)

T

Timer

100ms

T0 〜T209, 210 pcs

10ms

T210~T251,42pcs

1ms

T252~T255,4pcs

CC

Counter

16-bit incremental count

C0~C199,200pcs

32-bit increment/decrement count

 

C200 ~ C235, 36pcs

32-bit high speed count

C236~C255,20pcs

D

Data register

D0 ~ D7999, 8000 points

 

SD

Special data register

SD0-SD255, 256 points

 

V

Local data register

V0-V63, 64 points

 

Z

Variable address register

Z0-Z15, 16  points

 

Power-off retention register

 

M、S、D、C、T components can be optionally saved in sections

 

Storage media

 

EEPROM+SRAM

 

Battery retention time

 

Three years

 

Pulse output

 

Y0~Y1,2-way,100KHz

 

External interrupt

 

X0~X7, 8-way(Support top and bottom edge)

 

High-speed counter interrupt

 

6pcs

 

Timed Interrupt

 

3pcs

 

Pulse capture

 

8-way

 

Communication port

 

2pcs(One is R5-232, one is R5-232 / R5-485 optional)

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VC20 Series High Performance General Purpose PLC

Product Model:

VC20 series is a high-performance general-purpose small PLC, with powerful I/O expansion capabilities and communication networking capabilities, can be used for high-speed data processing and analogue processing, with high stability, high reliability, large capacity, high-speed computing capabilities. It has powerful functions and high cost performance.

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