How do I expand the iO1000 from 250 to 1,000 addressable points using iO-SDC1 and iO-SDC2 loop cards?
To expand the iO1000 to its 1,000-point maximum, you must install two iO-SDC2 dual loop controller cards into the panel's expansion slots (Page 3, 25) [1].
While the iO-SDC1 card adds a single 250-point loop, the iO-SDC2 provides two loops (500 points total), and the panel is limited to a maximum of two loop controller modules in any combination (Page 5, 6) [1].
Each loop supports 125 detectors and 125 modules (Page 6) [1].
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Power down the panel and locate the SLC card connectors J15 (primary) and J7 (secondary) on the main circuit board (Page 26) [1].
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Install one iO-SDC2 card into each connector to achieve the four-loop total required for 1,000 points (Page 25, 26) [1].
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Power up the panel and navigate to the Programming menu, then select Advanced Program (Page 129) [1].
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Select Loop Configuration and then choose Loop 1, 2, 3, or 4 Enable (Page 129) [1].
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Set the status to Yes for all four loops to enable them (Page 129) [1].
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Select Save and exit the menu to apply the changes (Page 129) [1].