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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
NT-8105-TI-TC
4-channel Analog Input
Thermocouple and mV
NovaTech 8000 Series I/O Family
. 4 thermocouple or mV* input channels
• Cold junction compensation
Module Specications
Inputs
Number of channels ..........................................................................4
THCs types
.....................B,E,J,K,N,R,S, or T to EN 60584-2, IEC584-2, BS4937;
.............................................................................................W3 and W5
Input Ranges
Input Type Range
mV 0 to 120 mV
Thermocouples: B 0 to 1820 °C
E – 270 to + 1000 °C
J – 210 to + 1200 °C
K & N – 270 to + 1372 °C
R & S – 50 to + 1768 °C
T – 270 to + 400 °C
W3 & W5 0 to + 2315 °C
Calibration Accuracy
mV input...................................± 0.2% of span (– 40 to + 70 °C)
......................................................± 0.1% of span(+10 to + 40 °C)
THC input ...........................dependent on thermocouple type-
Cold junction compensation error†.......<± 1°C (–40 to + 70 °C)
Resolution ..........................................................15 bits plus sign bit
Common mode rejection................................> 80 dB @ 50/60 Hz
Series mode rejection.......................................> 40 dB @ 50/60 Hz
Maximum input voltage .........................................................± 4.0 V
Common mode voltage between channels..........± 4.5 V (max.)
Isolation (any channel to Railbus) ............................250 V ac rms
Open circuit bleed current.....................................± 0.5 µA (nom.)
Congurabe Parameters
Sensor type ................................................................user selectable
Input dead zone (hysteresis)............................user defined value
Selectable input filtering ....off /2 reading avge./running avge.
Drive on open circuit fault......... disabled /upscale /downscale
Channel status...........................................................active/ inactive
Response Times
Signal change to availability on Railbus
...........................................................................................120 ms (min.)
..........................................................................................420 ms (max.)
O/C sensor detection.................................................................≤ 10 s
Safety
FM non-incendive field wiring parameters (each channel)
...............Voc = 10.5 V; Isc = 3.6 mA; Ca = 14.9 µF; La = 1000 mH
Power Supplies
Railbus (12V) current...................................................150 mA (typ.)
.........................................................................................200 mA (max.)
Bussed Field Power .......................................................not required
Mechanical
Module Key Code .............................................................................C1
Module width ............................................................................42 mm
Weight............................................................................................200 g
Field Terminals
Field Wiring Recommended
Field Terminal
Compatible
Field Terminal
General Purpose NT-8605-FT-TC
THC
-
Class 1, Div 2
or Zone 2 hazard-
ous area
NT-8605-FT-TC
THC
-
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_8105_0607