ABB DSTF620 HESN118033P0001 Process of connector

ABB DSTF620 HESN118033P0001 Process of connector

Input diagnostic fault coverage: Maximum input toggle ratea Minimum input toggle rate, On state Minimum input toggle rate, ABB DSTF620 HESN118033P0001Off state a. The maximum input toggle rate enables proper operation of I/O diagnostics and detection of all normally detectable faults. Every 100 ms Not required Every 24 months (manually toggled by the user)b b. For more information, see Toggling Field I/O Points on page 288. Diagnostic glitch durationc c. VIN is the voltage applied to an energized point. Output voltage is noticeable on an adjacent deenergized point for the duration of the diagnostic glitch. Be advised that the glitch output may falsely energize the paralleled input of another piece of equipment.

This table lists the specifications for Model 3503E, which is a TMR Digital Input Module with a nominal input voltage of 24 VAC/VDC and a self-test feature. CAUTION The Model ABB DSTF620 HESN118033P0001 is not recommended for use with shunt-diode intrinsic safety barriers. For these applications, Invensys recommends the Model ABB DSTF620 HESN118033P0001.

ABB DSTF620 HESN118033P0001Color code Dark red Number of input points 32, commoned in groups of 8 Input frequency range DC or 47-63 Hz Recommended input range 20–42.5 VDC Maximum voltage 42.5 VAC/VDC Switching level: Off to On 15 VAC/VDC typical, 18 VAC/VDC worst-case Switching level: On to Off 8 VAC/VDC typical, 6 VAC/VDC worst-case Typical hysteresis 4 VAC/VDC Nominal turn-on 6 mA to 9 mAABB DSTF620 HESN118033P0001

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