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The Allen-Bradley 1747-L551 Processor Hardware is a high-performance controller integrated with a program memory size of 16 KB. Capable of controlling up to 4096 input and output points, this module supports online and offline programming, including runtime editing. It features channel-to-channel, remote I/O, and DeviceNet pass-thru capabilities, along with a built-in real-time clock and calendar. Equipped with an Ethernet port for network connection and an RS232 port for peer-to-peer communication, it supports DF1 full duplex, DF1 half-duplex master, and DF1 radio modem on the RS-232 channel. Additionally, the integrated Ethernet port supports a built-in 10/100 Base-T Ethernet channel for SNMP, BOOTP, extended messaging capabilities, and high-speed communication. Advanced math instructions, various additional instructions, and support for indirect addressing are included for programming convenience. The SLC 505 boasts a typical Program Scan Time per Keyword of 0.9 milliseconds and a typical I/O scan time of 0.225 milliseconds.
This processor is exclusively installed in Slot Zero (0) of the SLC 500 chassis and supports Remote I/O implementation using communication adapters and scanner modules. Supported communication protocols include Ethernet, Remote I/O (RIO), DH485, and Data Highway Plus (DH+). It's important to note the distinction between Remote I/O technology, which allows installation of I/O modules away from the processor, and RIO protocol, a proprietary protocol by Allen-Bradley. Additionally, this processor is designed for communication with computer-based control systems such as Human Machine Interface (HMI) and Supervisory Control and Data Acquisition (SCADA).
At PLC DCS Pro Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.
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