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The 1747-DCM is an SLC 500 Direct Communication Module that allows an SLC 500 controller to appear as a remote I/O adapter to a master PLC-5 or SLC 500 controller on an Allen-Bradley Remote I/O link. This module provides a direct interface between an SLC 500 fixed or modular controller and a remote scanner, behaving as a standard remote I/O rack on the communication network.
Remote I/O Adapter
Selectable Communication Rates/span>
Flexible Rack Addressing
The module supports communication rates of 57.6K, 115.2K, and 230.4K baud and can be configured as a full, half, or quarter rack via onboard DIP switches. It facilitates high-speed data transfer between a local SLC 500 and a remote scanner, using the SLC 500 processor's input and output image tables to exchange up to 8 words of input and 8 words of output data per rack address.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Allen-Bradley 1747-DCM Direct Communication Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil and Gas
Allen-Bradley provides integrated control and safety systems for upstream production and midstream pipeline monitoring. These solutions ensure high availability and robust performance in hazardous environments, supporting critical emergency shutdown (ESD) and fire and gas (F&G) applications.
Aerospace and Defense
Automated systems are deployed in aircraft component manufacturing and precision assembly processes. The technology supports high-performance motion control and rigorous data tracking required for compliance with stringent aerospace quality standards and production tolerances.
Automotive and Tire
Rockwell Automation delivers end-to-end smart manufacturing solutions for powertrain assembly and vehicle body shops. By utilizing integrated architecture, plants achieve synchronized motion control and real-time diagnostic capabilities to maximize throughput and minimize downtime.
Food and Beverage
Solutions focus on batch processing, high-speed packaging, and maintaining food safety through precise environmental control. The hardware is designed to withstand frequent washdown procedures while providing comprehensive material tracking and genealogy across the production chain.
Mining and Metals
Ruggedized control platforms manage heavy-duty equipment such as crushers, conveyors, and smelting furnaces. These systems are engineered for extreme temperatures and high-vibration conditions, optimizing energy consumption and ensuring personnel safety in deep-mine operations.
Water Wastewater Treatment
Automation technology provides centralized monitoring and distributed control for pumping stations and chemical dosing systems. The platform supports remote access and secure data logging to ensure compliance with environmental regulations and reliable municipal water distribution.
The 1747-DCM must be installed in any slot of an SLC 500 modular chassis, except for slot 0, and requires a single-slot capacity. When connecting the module to the Remote I/O link, use Belden 9463 or equivalent cable to ensure a maximum link distance of 10,000 feet at 57.6K baud. To prevent communication errors, terminate both ends of the Remote I/O link with a resistor that matches the characteristic impedance of the cable The module uses an internal optical isolation of 1500V AC to protect the SLC backplane from external line transients and ground loops.
What is the primary function of the 1747-DCM module within an SLC 500 system?
The 1747-DCM allows an SLC 500 controller to appear as a remote I/O adapter to a master PLC-5 or SLC 500 controller on an Allen-Bradley Remote I/O link.
How is the 1747-DCM module addressed by the scanner or master controller?
The module supports discrete I/O rack addressing, where it can be configured as a full, half, or quarter rack using the onboard DIP switches for the starting rack address.
What are the communication rate options for the 1747-DCM on the Remote I/O link?
The 1747-DCM supports standard Remote I/O baud rates of 57.6k, 115.2k, and 230.4k baud, which are selected via the module's DIP switch settings.
How does the 1747-DCM transfer data between the SLC 500 processor and the master controller?
It uses an image table transfer method where the SLC 500 processor writes to the output image and reads from the input image to exchange data with the master scanner.
What is the maximum distance for a Remote I/O link using the 1747-DCM module?
The maximum cable distance is 10,000 feet (3,048 meters) at 57.6k baud using Belden 9463 cable, decreasing as the communication baud rate increases.
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We give you access to a global supply of automation parts at your fingertips, ensuring that manufacturers around the world can avoid unnecessary downtime and continue to do what they do best – making our world possible.
Focus on supplying surplus and new automation spare parts With abundant inventory and partnerships with top manufacturers, Apter Power ensure high-quality solutions for your industrial requirements
Key control components
As a trustworthy supplier of surplus components, we procure parts from projects with excess inventory, system upgrades, factory shutdowns, and surplus suppliers. Our strict quality control ensure that our products achieve optimal performance
Warehouse Reserve
Many difficult to find parts, including PLC, HMI, DCS, panel controllers, industrial PCs, and VFDs. These parts help extend the lifespan of your existing system, reduce expensive replacement costs, and minimize downtime, thereby keeping your operations running smoothly
20 years of outstanding experience in industrial automation supply
For over 20 years, Apter Power always been a trustworthy leader in the industrial automation supply industry. As a trustworthy supplier of automation parts, we continuously expand our product line, expand our global customer base, and have won numerous awards
How do we deliver
How do we deliver
If you need complete documents to handle special situations such as letters of credit, we can ship small packages in 'cargo mode'. We can arrange freight or air freight for you, or cooperate with your freight agent
Urgency
If you require any other type of emergency or carrier, we need you to clearly specify this information on the order. We can usually ship on the same day. We do not charge additional fee, but it will depend on the expedited shipping option you use. Please let us know your level of urgency, and we will try our best to ship in the same day once you place order to us.
Freight Charge
If you contact us by phone, fax, or email, we can also provide you with this information. The product price does not include shipping or insurance fee. If you need, we are happy to provide a shipping quote and also can provide weight and size information. If you require proforma invoice, please let us know if you would like us to quote the shipping cost or if you would like us to use your shipping account.
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Urgent requirements for automation or control components?
Urgent shipment of industrial automation parts
Shutdown will waste your time and money - always ready to assist you. As a reliable supplier of automation parts, we provide fast shipping services to quickly deliver critical components to your hands, minimizing downtime to the greatest extent possible.
Obsolute or hard to find parts
We focus on purchasing necessary and rare automation parts to maintain the operation of the manufacturing industry. No matter the year, scarcity, or location of the parts, we will find and deliver the parts you need
Our strongest business
Global supply of automation parts. Automation spare parts procurement and global suppliers can reduce cost, save time, and decrease MRO fee.
Extend equipment lifespan
As one of the most trusted suppliers of industrial automation parts, we deeply understand the importance of reliable performance. That's why we exceed industry standards, whether you're replacing old components or maintaining critical systems
Sustainable supply chain solutions
Our long-term success stems from our commitment to quality, reliability, and customer satisfaction. Whether you are purchasing rare spare parts. Apter Power stands out among industrial automation parts suppliers with its rich experience, high-quality service, and unparalleled quality assurance.
Why choose Apter Power?
Spare parts warehouse
We have a warehouse of 50000 square meters, providing tens of thousands of different spare parts, and 24/7 online sales personnel to provide support for you. Always available, crucial for both you and us.
Fast delivery
Experienced team members assist in providing our customers with fast delivery of automation and control components, delivering to over 60000 users worldwide.
High quality new spare parts service
Our extensive inventory of control systems (DCS, PLC, CNC), panel controllers, human-machine interfaces (HMI), industrial PCs, drivers, and power spare parts helps you reduce maintenance costs. Provide industrial automation spare parts that manufacturers no longer provide. We are a leading supplier that provides rare industrial automation parts to businesses of all sizes, with a strong track record of delivering the highest quality parts and services to customers at highly competitive price.
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