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Click 222 CLK-222 RS-485 Connector RS-485 Connector Power Connector Connections The faceplate of the Click 222 has three RJ-11 jacks, which provide the following three independent serial connections: Topmost jack – control bridge ■ WX-501-0527 • 05.22 1 of 4...
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RS-485 connections, each consisting of a +485 and a -485 terminal; two of these connections are for detection calls and two for the control bridge, allowing two sensors to be wired in to each Click 222. This will be explained in greater detail in the Installation section of this document.
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A single Click 222 can be connected to two sensors. If you have a four-sensor approach, you will install a second Click 222 next to the first by repeating the steps below. 1. Using a rocking motion, mount the Click 222 onto the DIN rail, making sure it’s on the T-bus with the devices it’s supposed to protect.