ABB Drives ACS800 n ACS550 RMIO Query
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Are you using system software or standard software?
In system software (AMXR....) Emergency stop is assigned to DI1 by default.
In standard software you need additional module to implement E-Stop.
Otherwise you may follow below.
Wire your E-Stop to DI IL.
and select 21.09 as OFF3 active.
These status you can read to DCS system hardware by IO (If you are not using any communication).
You need to select 14 group outputs as 14.01 to PARAM 14.16 etc.,. and respective parameters need to be selected as pointer.
Similarly you can read local/remote selection as well to DCS system.