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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RTD Input Modules (continued)

Specifications

SNAP-AIRTD-1K

SNAP-AIRTD

SNAP-AIRTD-10

3-wire RTD input

1000 ohm platinum @ 0 °C

1000 ohm nickel @ 0 °C

1000 ohm nickel @ 70 °C

100 ohm platinum;

100 ohm nickel, -60 to 250 °C

120 ohm nickel, -80 to 260 °C

10 ohm copper;

Input Temperature Range

-200 °C to 850 °C

(-328° to +1,582° F)

-200 °C to 850 °C

(-328° to +1,582° F)

-180 °C to 260 °C

(-292° to +500° F)

Input Range

0 to 4000 ohms

0 to 400 ohms

0 to 25 ohms

Over-Range Limit

to 4400 ohms

to 440 ohms

to 27.5 ohms

Resolution (average)

0.042 °C (0.16 ohms)

0.042 °C (0.016 ohms)

0.026 °C (0.001 ohms)

Input Filtering

-3 dB @ 0.1 Hz

-3 dB @ 0.1 Hz

-3 dB @ 100 Hz

Data Freshness (Max)

100 ms

100 ms

168 ms

Lead Compensation

Automatic when used with

SNAP brains

Automatic when used with

SNAP brains

Automatic when used with

SNAP PAC brains

DC Common Mode Rejection

>-120 dB

>-120 dB

>-120 dB

AC Common Mode Rejection

>-120 dB at 60 Hz

>-120 dB at 60 Hz

>-120 dB at 60 Hz

Excitation (typical)

0.256 mA constant current

1.25 mA constant current

5.4 mA constant current

Maximum Lead Resistance

>40 ohms single wire (all

leads to be equal resistance)

>40 ohms single wire (all leads

to be equal resistance)

>15 ohms single wire (all

leads to be equal resistance)

Maximum Fault Voltage at Input

(between any 2 field wires)

±15 V

±15 V

±15 V

Maximum Operating Common

Mode Voltage

250 V

250 V

250 V

Accuracy

From factory

After setting gain and offset

0.8 °C

0.6 °C

0.8 °C

0.6 °C

0.6 °C

0.5 °C

Isolation

1500 V

1500 V

1500 V

Power Requirements

5 VDC (±0.15) @ 190 mA

5 VDC (±0.15) @ 190 mA

5 VDC (±0.15) @ 190 mA

Operating Temperature

0 °C to 70 °C

0 °C to 70 °C

0 °C to 70 °C

Storage Temperature

-40 °C to 85 °C

-40 °C to 85 °C

-40 °C to 85 °C

Wire size

22 to 14 AWG

22 to 14 AWG

22 to 14 AWG

Torque, hold-down screws

4 in-lb (0.45 N-m)

4 in-lb (0.45 N-m)

4 in-lb (0.45 N-m)

Torque, connector screws

5.26 in-lb (0.6 N-m)

5.26 in-lb (0.6 N-m)

5.26 in-lb (0.6 N-m)

Agency Approvals

CE, RoHS, DFARS

UL, FM, CE, RoHS, DFARS

CE, RoHS, DFARS

Warranty

Lifetime

Lifetime

Lifetime