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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 single-ended 4-20 mA input channels
. Non-incendive field circuits
. HART pass-through
. HART variable and status reporting
. 2- or 4-wire transmitters
. open and short circuit detection
. 24 V dc bussed field power required
Module Specications
Inputs
Number of channels ...............................................8, single-ended
Nominal signal range (span) ..........................................4 to 20 mA
Full signal range.................................................................1 to 23 mA
Line fault detection
Short circuit current .....................................................> 23.5 mA
Open circuit current ......................................................< 0.5 mA
Output voltage (@ 20mA).............................................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-8101-HI-TX
Image Description
8 Channel Analog Input
4–20 mA with HART®
Congurable Parameters
Input filter time constant .................................user defined value
Input dead zone .................................................user defined value
Drive on failsafe............................. disabled /upscale /downscale
Channel status.......................................................... active /inactive
HART variable and status reporting ................... enable /disable
Response Time
Signal change to availability on Railbus
4–20 mA mode .........................................................27 ms (max.)
HART mode......................................................0.75 s per channel
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 V dc ±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
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_8101_0607