SNAP Analog Input Modules
Features
Resolution = 0.004% of nominal range
Two, 4, 8, or 32 single-ended inputs per module
Out-of-range indication
Factory calibrated; no user adjustment necessary
SNAP Analog Input Modules
Description
Part Number
SNAP I/O analog input modules are part of
Opto 22’s SNAP PAC System. All of these
modules mount on a SNAP PAC rack with a
SNAP PAC brain or R-series controller, either
a standard wired model or a
See
page
Part
Description
SNAP-AIARMS
SNAP-AIMA
2-channel 0 to 10 amp RMS AC/DC input
2-channel analog current input, -20 to +20 mA
4-channel analog current input -20 to +20 mA
8-channel analog current input -20 to +20 mA
4
6
6
8
™
Wired+Wireless model.
SNAP-AIMA-4
SNAP-AIMA-8
A minimum number of SNAP module types
support a full range of analog input
requirements. These software-configurable
modules handle a wide variety of signal
levels. They provide high resolution (0.004%
of nominal range) for precise signal levels, as
well as multiple-channel packaging. All
SNAP analog modules are factory calibrated
and individually tested. Part numbers
SNAP-AIMA-32
32-channel analog current input -20 to +20 mA
2-channel 0–25,000 Hz analog rate input
9
SNAP-AIMA-32-FM*
SNAP-AIRATE
11
13
4-channel analog resistor/thermistor input, 40 K Ohms,
20 K Ohms, 10 K Ohms, or 5 K Ohms
SNAP-AIR40K-4
SNAP-AIR400K-8
SNAP-AIRTD-1K
SNAP-AIRTD
8-channel analog resistor/thermistor input, 400 K Ohms
2-channel 1000 ohm platinum RTD input
2-channel 100 ohm platinum RTD input
2-channel 10 ohm copper RTD input
14
18
18
18
20
20
22
ending in -FM are Factory Mutual approved.
SNAP analog input modules have an on-
board microprocessor to provide module-
level intelligence, which makes them an
ideal choice for Original Equipment
Manufacturers (OEMs). For additional
information about the standalone operation
of SNAP analog modules, see Opto 22 form
#0876, SNAP I/O Module Integration Guide.
SNAP-AIRTD-10
SNAP-AICTD
2-channel analog temperature input, ICTD
4-channel analog temperature input, ICTD
8-channel analog temperature input, ICTD
SNAP-AICTD-4
SNAP-AICTD-8
2-channel analog type E, J, or K thermocouple or -150
to +150 mV input or -75 to +75 mV input
SNAP-AITM
23
24
2-channel analog type B, C, D, G, N, T, R, or S thermo-
couple or -50 to +50 mV DC or -25 to +25 mV DC input
SNAP-AITM-2
Notes for legacy hardware: Some of these
modules also work with older Opto 22 I/O
processors (brains or on-the-rack
controllers) and M-series or B-series racks. To
check processor compatibility, see the table
on page 3.
8-channel B, C, D, E, G, J, K, N, R, S, or T thermocou-
ple or -75 to +75 mV, -50 to +50 mV, or -25 to +25 mV
input
SNAP-AITM-8
SNAP-AITM-8-FM*
25
SNAP-AIVRMS
SNAP-AIV
2-channel 0 to 250 V RMS AC/DC input
26
27
2-channel analog voltage input -10 to +10 VDC or -5 to
+5 VDC
Specifications begin on page 4. For
dimensional drawings, see pages 35–45.
4-channel analog voltage input -10 to +10 VDC or -5 to
+5 VDC
SNAP-AIV-4
SNAP-AIV-8
27
29
8-channel analog voltage input -10 to +10 VDC or -5 to
+5 VDC
IMPORTANT: Any system using analog
sensors and input modules should be
calibrated annually for analog signals. For
I/O units on a SNAP PAC System, use the PAC
SNAP-AIV-32
SNAP-AIV-32-FM*
32-channel analog voltage input -10 to +10 VDC or -5
to +5 VDC
30
32
33
SNAP-AIMV2-4
SNAP-AIMV-4
4-channel -50 to +50 mV input or -25 to +25 mV input
™
Control commands “Calculate and Set
4-channel -150 to +150 mV input or -75 to +75 mV
input
Offset” and “Calculate and Set Gain.” For
other Ethernet-based I/O units, you can also
* Factory Mutual approved
Opto 22 • 43044 Business Park Drive • Temecula, CA 92590-3614 • www.opto22.com
PAGE
1
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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