SNAP Analog Input Modules

Opto 22 • 43044 Business Park Drive • Temecula, CA 92590-3614 • www.opto22.com

SALES 800-321-6786 • 951-695-3000 • FAX 951-695-3095 • sales@opto22.com • SUPPORT 800-835-6786 • 951-695-3080 • FAX 951-695-3017 • support@opto22.com

© 2001–2014 Opto 22. All rights reserved. Dimensions and specifications are subject to change. Brand or product names used herein are trademarks or registered trademarks of their respective companies or organizations.

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Thermistor Input Module 0–400 K (continued)

Specifications

Input Ranges

400 K, 200 K, 100 K, 50 K, 40 K, 20 K, 10 K, 5 K , 4 K, 2 K, 1 K, 500

Ohms, and Autorange

Fixed Range Overrange Limits

(Ohms Resolution)

440 K (16), 220 K (8), 110 K (4), 55 K (2), 44 K (1.6), 22 K (0.8), 11 K

(0.4), 5.5 K (0.2), 4.4 K (0.16), 2.2 K (0.08), 1.1 K (0.04), 550 (0.02)

Data Freshness

1.61 seconds maximum

DSP Notch Filter

20 Hz (- 3DB = 5.24 Hz)

Excitation Current Nominal (Range & Load

Watts Dissipation)

9uA (50 K–4.1 uW), (100 K–8.1 uW), (200 K–16 uW), (400 K–32 uW)

90uA (5 K–40 uW), (10 K–81 uW), (20 K–160 uW), (40 K–320 uW)

200uA (500 K–20 uW), (1 K–40 uW), (2 K–80 uW), (4 K–160 uW)

Autorange Step Time

1.6 seconds to next higher or lower range

>= 10 seconds for a 500 Ohms to 400 K Ohms step change

Autorange Ohms Hysteresis

Ranges

Ohms

Open > 440K

20K

between 200K & 400K

10K

between 100K & 200K

5K

between 50K & 100K

19K

between 40K & 50K

2K

between 20K & 40K

1K

between 10K & 20K

500

between 5K & 10K

1.9K

between 4K & 5K

200

between 2K & 4K

100

between 1K & 2K

50

between 500 & 1K

DC Common Mode Rejection

>-120 dB

AC Common Mode Rejection

>-120 dB @ 60 Hz

Open Resistor Indicator

Channel resistence = 999,999.999

PAC Control Reads

temperature reading or -32768 Ohms if over or under range

Maximum Operating Common Mode Voltage

(Field Term to Logic Connector)

500 VDC or peak VAC

Accuracy

(Ohms @ Range)

0.1% Reading

+ 2x Range Resolution

+ 1 Ohm

4 Ohms @ 4 K

2 Ohms @ 2 K

1 Ohms @ 1 K

0.5 Ohms @ 500

40 Ohms @ 40 K

20 Ohms @ 20 K

10 Ohms @ 10 K

5 Ohms @ 5 K

400 Ohms @ 400 K

200 Ohms @ 200 K

100 Ohms @ 100 K

0 Ohms @ 50 K

Drift

Gain Tempco

Offset Tempco

30 PPM / °C

15 PPM / °C

Power Requirements

5 VDC (±0.15 ) @ 190 mA

Operating Temperature

0 °C to 70 °C

Storage Temperature

-40 °C to 85 °C

Torque, hold-down screws

4 in-lb (0.45 N-m)

Torque, connector screws

5.26 in-lb (0.6 N-m)

Agency Approvals

UL (pending), CE (pending)

Warranty

Lifetime