Description The Omron CV500‑TDL21 is a rack-mounted data link input module from the CV500 PLC series, designed to interface temperature controllers or other peripherals via RS‑232C/RS‑422 serial links. Technical Specifications Condition New/Never Used Surplus BrandPart Number Omron Category PLCs/Machine Control Part Number CV500-TDL21 Subcategory PLC Module/Rack Series CV500 Type Serial Data Link Input Module Mounting Type Backplane Rack Mount Termination Style D-Sub Connector Features Serial Communication RS-232C/RS-422 Weight 1.2 lbs Information About CV500-TDL21 The Omron CV500-TDL21 is a serial communication input module designed for use in Omron’s CV500, CV1000, CV2000, and CVM1 programmable logic controller systems. Installed directly in the backplane rack, this module enables connection of multiple temperature controllers or serial devices using RS-232C or RS-422 communication protocols. With a D-sub connector for standardized termination, the CV500-TDL21 expands PLC capabilities by providing multi-point temperature control integration. Now discontinued, it remains critical for supporting and maintaining legacy Omron SYSMAC systems. Key Features: Serial Data Link Input Module: Enables RS-232C or RS-422 communication with external temperature controllers and other serial devices. For Use with CV-Series PLCs: Compatible with CV500, CV1000, CV2000, and CVM1 PLC platforms. Backplane Rack Installation: Plugs directly into the PLC’s backplane slot for seamless expansion. D-Sub Connector Termination: Simplifies wiring using standard industrial serial connectors. Supports Multi-Device Networks: Capable of linking up to 64 temperature controllers in distributed control setups. Industrial-Grade Design: Engineered for continuous operation in factory automation environments. Discontinued Model: Available primarily through surplus and refurbished parts suppliers for legacy system maintenance. The Omron CV500-TDL21 provides essential serial communication capabilities for integrating temperature controllers into Omron CV-series PLC architectures. Its modular design, multi-device support, and industrial durability make it a dependable solution for expanding and maintaining legacy thermal process control systems.
