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Omron C500 C500-CLK21

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C500-CLK21

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The Omron C500-CLK21 is a Host Link Unit designed for efficient communication in the C500 series. It features a variety of baud rates and utilizes a four-wire, half-duplex communication method, making it adaptable for multiple applications.

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Technical specifications for C500-CLK21

ManufacturerOmron
Product LineC500
Part NumberC500-CLK21
Product DescriptionHost Link Unit
Communications MethodFour-wire, half duplex
Synchronization MethodStart-stop, 1 or 2 stop bits (set in PC Setup)
Baud Rate1200/2400/4800/9600/19200 bps (set in PC Setup)
Transmitted Code7- or 8-bit ASCII (set in PC Setup)
Error DetectionVertical parity, even/odd/none (set in PC Setup), FCS (frame check sequence)
InterfaceRS-232C/RS-422 (set on selector on CPU)
Transmission DistanceRS-232C: 15 m max.; RS-422: 500 m total max
Transmission ControlXon/Xoff control; set in CPU Bus Unit System Setup
Number of Ports2
Mounting TypePanel Mount
Another Name3G2A5-LK201
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The C500-CLK21, from Omron's C500 series, is a Host Link Unit facilitating robust communication protocols. This device operates using a four-wire, half-duplex communication method. It supports a range of baud rates: 1200, 2400, 4800, 9600, and 19200 bps, all of which can be set during the PC setup phase. The transmitted codes can be configured for either 7-bit or 8-bit ASCII, granting flexibility depending on the application requirements.

For synchronization, the unit uses start-stop methods with options for either 1 or 2 stop bits, adjustable via the PC setup. Error detection mechanisms are in place, allowing users to select vertical parity (even, odd, or none) during configuration, alongside frame check sequences (FCS) for further reliability. The interface can be connected through RS-232C or RS-422, with specifications set on the CPU selector.

Transmission distances vary based on the interface used: the RS-232C can reach a maximum of 15 meters, while RS-422 can extend up to 500 meters in total. Control of transmission is implemented via Xon/Xoff settings, which can be adjusted in the CPU Bus Unit System Setup.

This Host Link Unit features two ports and is designed for panel mounting, making it ideal for integration into control panels or systems. It may also be referred to as 3G2A5-LK201, providing further compatibility across various configurations.