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Contact:
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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
. 115 V ac field voltage sources
. User definable input threshold
. Pulse counting option
Module Specications
Inputs
Number of channels ...........................................................................8
OFF voltage............................................................................< 34 V ac
ON voltage .............................................................................> 84 V ac
Wetting current .........................................2 mA (nom.) @ 115 V ac
Max. input voltage ................................................................130 V ac
Frequency ............................................................................50 / 60 Hz
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 .......................................................not required
Mechanical
Module Key Code..............................................................................E4
Module width ............................................................................42 mm
Weight............................................................................................170 g
NT-8111-DI-AC
Image Description
8-channel Discrete Input
115 V ac, isolated, sinking
Field Terminals
Field Wiring Recommended
Field Terminal
Compatible
Field Terminal
General Purpose NT-8602-FT-ST
Standard †
NT-8604-FT-FU
Fused
Class 1, Div 2
or Zone 2 hazard-
ous area
NT-8610-FT-NA
Non-arching †
NT-8611-FT-FU
Non-arching,
fused
† External fusing of the Field Power supply is recommended
in order to protect the field wiring.
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_8111_0607