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Contact:
®
NovaTech Process Solutions, LLC
11500 Cronridge Dr., Suite 110
Owings Mills, MD 21117
T: 410.753.8300
Toll Free: 800.253.3842
www.novatechweb.com
. 8 discrete inputs for dry contact switches
. 230 V ac provided on input high side
. Returns commoned internally
. Pulse counting option
. 230 V ac Bussed Field Power required
Module Specications (See also System Specification)
Inputs
Number of channels ...........................................................................8
OFF current ..........................................................................< 0.28 mA
ON current............................................................................> 0.71 mA
Wetting current .........................................1 mA (nom.) @ 230 V ac
Congurable Parameters
Selectable input filter ...........................fast, slow or user defined
(User defined permits 0 to 512 ms values in 2ms steps)
Latch inputs................................................................enable /disable
Latch polarity......................................latch on high / latch on low
Pulse counting ..........................................................enable /disable
Response Time
I/O response time
Field event to new data available on Railbus....33 ms (max.)
Power Supplies
Railbus (12V) current......................................................40 mA (typ.)
...........................................................................................60 mA (max.)
Bussed Field Power ..................................................207 to 265 V ac
Frequency ............................................................................50 / 60 Hz
Mechanical
Module Key Code..............................................................................E2
Module width ............................................................................42 mm
Weight............................................................................................170 g
NT-8114-DI-AC
Image Description
8-channel Discrete Input
230 V ac, non-isolated, module powered
Field Terminals
Field Wiring Recommended
Field Terminal
Compatible
Field Terminal
General Purpose NT-8604-FT-FU
Fused
NT-8602-FT-ST
Standard †
Class 1, Div 2
or Zone 2 hazard-
ous area
NT-8611-FT-FU
Non-arcing,
Fused
NT-8610-FT-NA
Non-arcing †
† Alternative fusing in the field wiring is recommended if it is
not provided in the field terminal.
NovaTech 8000 Series I/O Family
Copyright © 2007 NovaTech, LLC. All rights reserved. All trademarks
are properties of their respective owners. NovaTech is a registered
trademark of NovaTech, LLC. The information in this literature is
subject to change without notice and is not to be construed as a
warranty. DS_8114_0607