3 UCN Status Displays
3.8 IOP Detail Status Displays
290 HPM High-Performance Process Manager Service R688
Honeywell December 2020
DI IOP Detail Status display
As shown in the following figure, the Digital Input IOP Detail Status display has one unique status.
The CURRENT DIGITAL INPUT STATUS data is represented by two hexadecimal words showing
the current state of the 32 digital inputs. Input slot 1 is the high order bit in the left-hand word of the data
pair.
Figure 171 Digital Input IOP Detail Status Display
DO IOP Detail Status Display
Overview
There are two types of Digital Output IOPs and each type accommodates only certain FTA models.
Generally, the main difference in the types of DO IOPs is the number of FTA channels that the IOP
supports, either 16 or 32 channels. The “High Density” 32-channel IOP display is identified by the term
DO_32 in the first line at the top of the display and after ACTUAL TYPE in the third line of the
display. The 16-channel IOP display is identified by the term DO.
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