NotaTech 8000SeriesI/O - Manual (Page 11)


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
-8132-AI-UN
Image Description
8-channel Isolated Universal
Analog Input
4-20mA with Thermocouple, RTD, Voltage
NovaTech 8000 Series I/O Family
• 8 isolated, universal, input channels
• Configurable on a channel by channel basis:
4-20mA, THC, RTD, resistance & voltage
• 250V ac rms channel to channel isolation
• Thermocouple types B, E, J, K, N, R, S, T, W3, W5, Russian
K, Russian L
• RTD types Pt100, jPt100, Pt200, Pt500, Ni120, Cu10
• Volt input types ±120mV, 0-1V, 0-5V, 1-5V, 0-10V, ±10V
• 2 or 3-wire RTDs
• 2 or 4-wire transmitters
• Non-incendive field circuits
• 24 V dc bussed field power required
Module Specifications
Inputs
Number of configurable channels .................................8 isolated
4-20mA Inputs
Nominal signal range (span) ...........................................4 to 20mA
Full signal range (FSR).......................................................0 to 25mA
Output voltage (@ 20mA) ............................................13.5 V (min.)
Output current (linear operation) ............................25 mA (max.)
Short circuit current (max.) .................................75 mA for 100ms
(Output turns off after ~100ms at more than 25mA)
Calibration accuracy
10°C to 40°C .............................................................± 0.1% of FSR
–40°C to 70°C ...........................................................± 0.3% of FSR
Resolution .......................................................................15 bits (typ.)
Repeatability ................................................................0.05% of span
Thermocouple Inputs
THC Types ....B, E, J, K, N, R, S, T, W3, W5, Russian K, Russian L
Calibration Accuracy
10°C to 40°C.................................................± 0.1% of span (typ.)
–40°C to 70°C ..............................................± 0.2% of span (typ.)
Cold junction compensation error †< ±1°C (–40°C to + 70°C)
Resolution .......................................................................14 bits (typ.)
Optional open circuit bleed current ....................± 1.2uA (nom.)
Open circuit detection time .....................................................1 sec
......................................................(with < 0.5 µF cable capacitance)
RTD Input (2 or 3 Wire)
RTD types ....................Pt100, Pt200, Pt500, Cu10, Ni120; jPt100
Maximum wire resistance ...................................................40 ohms
Calibration accuracy 3-wire
10°C to 40°C ...........................................................± 0.1% of span
–40°C to 70°C ........................................................± 0.2% of span
RTD excitation current .....................selected for ~0.2 mW at 0°C
Resolution .......................................................................14 bits (typ.)
Open circuit detection time .....................................................1 sec
......................................................(with < 0.5 µF cable capacitance)
Resistance Input (2 or 3 Wire)
Input resistance range (span) ...................................0 to 110, 280,
...............................................................................470 and 1000 ohms
Calibration accuracy 3-wire
10°C to 40°C ...........................................................± 0.2% of span
–40°C to 70°C ........................................................± 0.4% of span
Maximum wire resistance ...................................................40 ohms
Resistance excitation current ..selected for ~1.0 mW at max R
Resolution .......................................................................14 bits (typ.)
† C J compensation located in recommended field terminal