OP320 A MD204L 3.7 inch Text Display HMI Support 232 485 Communication ports new offer OP320 A S

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Product Overview


Product Description

The difference between op320-a and op320-a-s. op320-a is built in 232 and 422 communication ports (such as the original mitsubishi PLC), op320-a-s is built in 232 and 485 communication ports (such as the original Siemens PLC).


OP320-A yellow(English film yellow screen)

OP320-A-S blue(English film blue screen)

OP320-A-S yellow(English film yellow screen)

MD204  blue(English film blue screen)

MD204  yellow(English film yellow screen)


General Description:

TypeYellow-Blue LCD 
LCM Life25±2℃  65±10%RH  50000+hours
Display area192*64
Contrast RatioPotentiometer adjustable
Text SettingsEnglish
Character size
Bitmap fonts, vector fonts
Menu64KB Flash ROM
Download portRS232
Communication port

COM1:PC RS232 & PLC 

RS485/422 & PLC RS232

Electrical Characteristics
Power Supply 12~24VDC±10%           <150MA@24VDC
Shock proof test10~25HZ  (X,Y,Z  2G   30MIN)
Electric Strength test 500V AC 1MIN
Insulation resistance10M ohm @ 500V DC
Operating temperature0~50℃
Storage Temperature-20℃~70℃
Operating humidity20%~90% RH (non-condensing)
Anti-jamming capability

Interfere with air pressure: 1500VP-P

Pulse Period: 1US ,Duration: 1S

IP GradeIP65 (front panel)
Cooling methodNatural air-cooled
External dimensions172*95*30MM
Mounting hole size165*86MM

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OP320-A MD204L 3.7 inch Text Display HMI Support 232 485 Communication ports new offer OP320-A-S
Part Number
WhatsApp & Skype
+86  13670500939  ;  qiume@ centrondz.com
qiume@ centrondz.com
About Us

     Shenzhen Xiongfa Weiye Electronics Co., Ltd.  is located at Dingcheng International Building - one of the most famous business building in shenzhen. As a trading company which has been one of the most professional electronic wholesalers for 10 years, we provide you one-stop service, competitive price and advantage help to save your purchase cost and precious time.


    We specialized in all kinds of electronic components such as Integrated Circuits, Diodes, Triodes, Photocouplers, IGBT Modules, Capacitors, Resistors, Relays, Fuses, Crystal Oscillators, USB Connectors, RJ45 Connectors, JST Connectors, IC Sockets, Sensor Modules, Bluetooth Modules, WiFi Modules, GPRS/GSM/GPS Modules, Power Modules, LED Modules, Display Modules, Camera Modules, Relay Modules, Air Switches, Screens, Demoboards, Programmers, etc.

Shopping Guidelines



1. We will pack and send your goods within 2-3 working days after we confirmed your payment. For quickly packing and sending, please let us know if you finished the payment.

2. We will inform you the lead time if we have to purchase from manufactory.

3. We usually ship by DHL, UPS, TNT, FedEx, Aramex or EMS. It usually takes 3-7 days to arrive. Air cargo and sea shipping are aslo optional.

4. We are not responsible for any accidents, delays or other issues that are the responsibility of shipping service.

5. We need your shipping information including your name, address and phone number for shipping your parcel.

6. Tracking number will be shared with you when we got it from the logistics company.


About Payment Terms:

1. You can pay for your purchase order by PayPal, T/T, Western Union, Ali-escrow or Cash.

2. The unit price we provided not included any shipping fees or payment charges.

3. We are not responsible for any import fees or customs taxes.


About Quality Warranty:

1. Our products are all original and new from manufacturer. It must be work if the model number is correct.

2. We offer 30-90 days warranty to our products.

3. During the guarantee period, if the items you purchased from our store are out of perfected quality, pls notify us within 3 days after delivery, we will return the new products when we got your message.



1. MOQ: Low MOQ! We welcome 1pcs as sample order to test and check quality. Mixed samples are acceptable.

2. Unit Price: The prices we provided are based on the new and original parts. We can offer a discount according to your purchase order quantity.


We are looking forward to make business with you for a long time. Welcome to leave an inquiry to us for quoting if you have any in need. You could rest on us for our careful and prompt attention to your order. Please kindly contact us if you have any questions.

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