®

NT-8121-DI-DC

. 16 input channels for dry contact switches

. 24 V dc provided on input high side

. Returns commoned internally

. Pulse counting option

. 24 V dc bussed field power required

Module Specifications

 

Inputs

 

Number of channels

16

OFF current

< 0.3 mA

ON current

> 1.2 mA

Wetting current

2.8 mA (typ.)

Minimum pulse width detected

5 ms

Max input freq in pulse counting mode (no-debounce)100 Hz

Isolation (any channel to Railbus)

.....................................

250 V ac

Configurable 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

5 ms (max.)

Safety

FM non-incendive field wiring parameters (each channel)

..............Voc = 30 V; Isc = 3.5 mA; Ca = 0.12 μF; La = 1000 mH

Power Supplies

 

 

 

 

Railbus (12V) current

......................................................90 mA (typ.)

.........................................................................................

 

 

 

 

135 mA (max.)

Bussed Field Power

60 mA, @ 18–30 V dc

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16-channel Discrete Input

24 V dc, non-isolated, module-powered

NovaTech 8000 Series I/O Family

Mechanical

 

Module Key Code

E1

Module width

42 mm

Weight

210 g

Image Description

 

Field Terminals

 

Field Wiring

Recommended

Compatible

 

Field Terminal

Field Terminal

General Purpose

NT-8617-FT-NI

-

 

16 channel DI

 

 

 

 

Class 1, Div 2

NT-8617-FT-NI

-

or Zone 2 hazard-

16 channel DI

 

ous area

 

 

 

 

 

 

 

 

 

 

Copyright © 2007 NovaTech, LLC. All rights reserved. All trademarks

Contact:

 

 

 

are properties of their respective owners. NovaTech is a registered

NovaTech Process Solutions, LLC

T: 410.753.8300

 

 

trademark of NovaTech, LLC. The information in this literature is

 

 

11500 Cronridge Dr., Suite 110

Toll Free: 800.253.3842

 

 

subject to change without notice and is not to be construed as a

 

 

Owings Mills, MD 21117

www.novatechweb.com

19

warranty. DS_8121_0607

 

 

 

 

 

Page 19
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NotaTech 8000SeriesI/O manual NT-8121-DI-DC, Dc, non-isolated, module-powered

8000SeriesI/O specifications

The NotaTech 8000 Series I/O is a cutting-edge technology designed to revolutionize industrial automation and process control systems. As industries increasingly seek to enhance productivity and efficiency, the 8000 Series I/O steps up by providing a robust and flexible interface to integrate various sensors, actuators, and controllers.

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