Rockwell Automation 1771-IAD Series D Input Module Installation Instructions

The 1771-IAD Series D is an input module that can be used to interface with a variety of devices. This module has 16 input channels that can be configured for either AC or DC voltage inputs. The module is compatible with all chassis except the 1771-A1, 1771-A2 and 1771-A4 chassis. The module is shipped with a delay time jumper preset to 5ms. This delay time can be changed to 20ms by repositioning the jumper.

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Rockwell Automation 1771-IAD Series D Installation Instructions | Manualzz

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Key features

  • 16 input channels
  • AC or DC voltage inputs
  • Adjustable delay time
  • Compatible with most 1771 chassis
  • Modular component of the 1771 I/O system
  • Input signal delay off to on selectable
  • Isolation voltage tested to 2500V dc for 1s

Frequently asked questions

The nominal input voltage is 120V ac @ 50/60Hz; 125V dc. The on-state voltage range is 79V to 138V ac or dc. The maximum off-state voltage is 43V ac or dc.

The input impedance is 11.2K ohms @ 60Hz (0.18 microfarad in parallel with 47K ohms, in series with 820 ohms).

The maximum adjacent slot power dissipation is 17W.
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