Allen Bradley 1769 ASCII

Allen Bradley 1769 ASCII enables data exchange between PLC and serial port devices such as barcode scanners, weighing instruments, and printers. It is widely used in overseas packaging, logistics, and manufacturing inventory automation equipment. As a professional supplier facing the overseas market, Femu Technology has completed all port transceiver and bus stability testing of the storage modules, screened the aging interface, maintenance and renovation goods, and the goods can be directly replaced on the machine when they arrive, meeting the needs of overseas factories for quick repair.

Value of application

The primary value of Allen Bradley 1769 ASCII is to help enterprises quickly connect traditional ASCII devices to modern CompactLogix automation systems without replacing serial port devices, reducing equipment upgrade costs and improving system compatibility.

Core Advantages

Serial device connectivity: Support CompactLogix systems to communicate with ASCII external devices.

Flexible data collection: it can read bar code, instrument data, detection equipment information, etc.

Reduces external conversion devices: Can integrate traditional serial devices without the need for additional serial port converters.

High compatibility: Suitable for various industrial field ASCII communication devices.

Easy maintenance: Suitable for extending serial communication functions of existing CompactLogix systems.

Important parameters

Internal Structure

The Allen Bradley 1769 ASCII is a serial communication module of the CompactLogix 1769 series. Its internal structure mainly consists of serial communication interface, data processing unit, 1769 bus interface, power management and protection circuits, which are used to convert ASCII data with the PLC control system.

Data Transmission Process

ASCII external device → Serial interface circuit → Communication processing unit → 1769 bus interface → CompactLogix controller

Inspection Process

1. Visual inspection → Check if the module's casing, interfaces, terminals and labels are complete.

2. Model verification → Confirm that the nameplate model, series information are consistent with the order.

3. Check the interface → Check whether the serial port interface and the 1769 bus connector are not damaged.

4. Power-up test → Install to 1769 system to check whether the status indicator is normal.

5. Communication test → Connect ASCII device to verify serial port data transceiver function.

6. Software verification → Check if the CompactLogix controller can normally recognize the module and the data exchange status.

7. Record and packaging → Take photos of the physical object, nameplate and test process, complete the inspection record and then package and ship.

Application Areas

1. Packaging Automation Equipment

Connect barcode scanners, label printers, etc. devices;

Realize product identification, data tracking and production information recording.

2. Manufacturing Production Lines

Exchange data with detection instruments, testing equipment;

Collect measurement data during the production process to improve the automation management ability.

3. The weighing and measuring system

Connect electronic scale, weighing module and measuring instrument;

Transmit weight or test result to PLC system for control.

4. Logistics Transportation Systems

Used for data communication of scanning guns, RFID devices, printing equipment;

Realize material tracking and automatic sorting control.

5. Equipment Upgrading Projects

Connect old RS-232/RS-485 ASCII devices to the CompactLogix system;

Reduce equipment replacement costs and improve system compatibility.

6. Automatic Test Equipment (ATE)

Connect test instruments, analysis equipment;

Realize automatic collection of test data and production quality management.

Real Case and Customer Evaluation

An overseas packaging factory had an Allen Bradley 1769 ASCII module failure, and the instrument data could not be uploaded to the PLC, causing the entire production line to come to a standstill. The customer purchased the Fuming Technology for actual testing of the original module, completed the replacement through cross-border delivery, and the serial data transmission resumed stably, restoring the equipment to normal production.

Customer: This serial communication spare part is very scarce, but Fuming Technology not only provides the supply source, but also undergoes a complete inspection before shipment, helping us quickly restore the serial data communication of the equipment.

Why choose us

Focus on the global supply of scarce spare parts for Rockwell Compact I/O series, strictly control the supply sources, and prevent counterfeit and refurbished products from flowing out. Each item comes with a test record, supports multi-channel international logistics, and can be paired with a complete set of foreign trade customs documents. Familiar with overseas equipment maintenance scenarios, can provide basic technical answers, help overseas customers quickly solve serial port communication failures, and reduce equipment downtime.

FAQ

Q1. Is it the PLC CPU? It isn't. It belongs to the communication interfacemodule, need to use in conjunction with CompactLogix controller.

Q2. What kind of equipment support?

Can be connected to support ASCII serial communication equipment, such as barcode scanners, printers, weighing equipment, serial ports, instrumentation and so on.

Q3. How to troubleshoate communication anomalies?

Check the serial connection mode, communication parameters (baud rate, data bits, stop bits, parity), equipment and PLC program communication protocol configuration.

Q4. When installation, need to pay attention to?

Should be power off before installation, make sure the module installation position and 1769 bus connection are correct, and in accordance with the requirements of equipment configuration parameters of serial communication.