NotaTech 8000SeriesI/O - Manual (Page 9)

9
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 single-ended 4-20mA input channels
. Non-incentive field circuits
. 4-20mA
. 2- or 4-wire transmitters
. Open and short circuit detection
. 24Vdc bussed field power required
Module Specifications
Inputs
Number of channels ...............................................8, single-ended
Nominal signal range (span) ..........................................4 to 20 mA
Full signal range.................................................................1 to 23 mA
Out of range alarm
Lower threshold.............................................................> 23.5 mA
Upper threshold .............................................................< 0.5 mA
Output voltage (@ 20 mA)............................................13.5 V (min.)
Output current ..............................................................32 mA (max.)
Accuracy (over temp range) ...................................± 0.1% of span
Resolution ..................................................................................16 bits
Repeatability ................................................................0.05% of span
Isolation
(any channel to Railbus) .................................................100 V ac
(between channels)................................................................none
NT
-8103-AI-TX
Image Description
8-channel Analog Input
4–20 mA
Configurable Parameters
Input filter time constant .................................user defined value
Input dead zone .................................................user defined value
Drive on failsafe............................. disabled /upscale /downscale
Channel status.......................................................... active /inactive
Response Time
Signal change to availability on Railbus .................27 ms (max.)
Safety
FM non-incendive field wiring parameters (each channel)
..................V
oc
= 28.7 V; I
sc
= 33 mA; C
a
= 0.17 µF; L
a
= 11.0 mH
Power Supplies
Railbus (12V) current .....................100 mA (typ.)/150 mA (max.)
Bussed Field Power ..................................2-wire Tx 300 mA (max.)
(@ 24 Vdc ± 10%) 4-wire Tx 60 mA (max.)
Mechanical
Module Key Code .............................................................................A1
Module width ............................................................................42 mm
Weight............................................................................................200 g
Field Terminals (2-wire TX)
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-8601-FT-NI
Non-incendive
NT-8603-FT-FU
Non-incendive
Fused
Field Terminals (4-wire TX)
Field Wiring Recommended
Field Terminal
Compatible
Field Terminal
General Purpose NT-8615-FT-4W -
Class 1, Div 2
or Zone 2 hazard-
ous area
NT-8615-FT-4W -
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_8103_0607