Description
Overview
Essential details:IS220PDOAH1A Discrete Output Pack
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IS220PDOAH1A Discrete Output Pack
There is a processor board embedded in the IS220PDOAH1A pack. There are multiple processors which include but are not limited to status-indicating LEDs, local power supplies for monitoring and sequencing, a high-speed processor which includes flash and RAM memory, and even more. All of the information on processors can be found in the GEH-721G Mark VIe Control System Guide, information can be found on pages two hundred and twenty-three to two hundred and thirty.
There is an output enable feature that is used with the IS220PDOAH1A pack. During the application in which power is given to the pack, all of the outputs will be disabled until a number of internal self-tests have been fulfilled. The enable function can provide paths that are independent of the command which will ensure that the relays are staying dropped out during the initialization and power-up of the pack.