SNAP-AIMA-32 OPTO 22, SNAP-AIMA-32 Datasheet - Page 9

• Manufacturer Part Number: SNAP-AIMA-32
• Description: I/O Module
• Manufacturer: OPTO 22
• Type: Inputr

Specifications of SNAP-AIMA-32

• Accessory Type: I/O Module
• Leaded Process Compatible: No
• Peak Reflow Compatible (260 C): No
• Brand/series: SNAP Series
• Connection To Host: Backplane
• Current, Input: 150 mA
• Dimensions: 82.55mmL×18.29mmW×90.17mmH
• Input: -20 to +20 mA
• Input Type: Analog
• Input, Range: -20 to +20 mA
• Mounting Type: PCB
• Number Of Channels: 32
• Primary Type: Control
• Special Features: Transformer Isolation, Optical Isolation
• Voltage, Isolation: 1500 V
• Voltage, Supply: 5 VDC
• For Use With: SNAP PAC Brains
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Current Input Module, -20 mA to +20 mA, 32 Channels
Specifications
Description
The SNAP-AIMA-32 and SNAP-
AIMA-32-FM modules provide 32
channels of input with an input
range of
-20mA to +20mA. The SNAP-AIMA-
32-FM is Factory Mutual approved.
Check the table on
processor compatibility.
Dimensional drawings are on
These modules DO NOT supply loop excitation current.
Channels are not isolated from each other. Since all inputs
share a common reference, the module must be installed at
the beginning or end of a typical 4–20 mA loop. If you use
both standard and self-sourcing transmitters, put the
Input Range
Over-Range Limits
Resolution
Input Filtering
Data Freshness (Max)
DC Common Mode Rejection
AC Common Mode Rejection
Maximum Survivable Input
Maximum Operating Common
Mode Voltage
Accuracy
DRIFT: Gain Temperature
Coefficient
DRIFT: Offset Temperature
Coefficient
Isolation
Power Requirements
Input Resistance - Single
Ended
Operating Temperature
Storage Temperature
Torque, hold-down screws
Torque, connector screws
Agency Approvals
Warranty
SNAP Analog Input Modules
© 2011 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.
SALES 800-321-6786 • 951-695-3000 • FAX [phone] • [e-mail] • SUPPORT 800-835-6786 • 951-695-3080 • FAX [phone] • [e-mail]
page 3
for I/O
page
-20 mA to +20 mA
From -22 to +22 mA
(+/-20 mA range)
0.8 microamps
-3 dB @ 31 Hz
1.15 s
>-120 dB
>-120 dB @ 60 Hz
36 mA or 9 VDC
250 V
0.1% (20 microamps)
30 PPM/ °C
15 PPM/ °C
1500 V, field to logic
5 VDC (±0.15 ) @ 150 mA
100 ohms (each channel)
0 °C to 70 °C
-25 °C to 85 °C
4 in-lb (0.45 N-m)
5.26 in-lb (0.6 N-m)
SNAP-AIMA-32: UL, CE,
RoHS, DFARS.
SNAP-AIMA-32-FM: CE, FM,
RoHS, DFARS
Lifetime
35.
transmitters on different modules or use different power
supplies. (If you need channels that are isolated from each
other on the same module, see Opto 22 form #1182.)
Wiring
SNAP TEX cables and a breakout rack are available separately
for wiring points to field devices (see form #1756, the SNAP
TEX Cables & Breakout Boards Data Sheet). The SNAP-HD-BF6
cable connects the module to the breakout rack, which can
then be wired to field devices. (NOTE: The SNAP-HD-CBF6
wiring harness with flying leads is not recommended for this
module.)
CAUTION: We strongly recommend that you use the breakout
rack with these modules. Miswiring of any point on the
module can cause severe out-of-warranty damage. The
breakout rack protects the module from many wiring errors.
if you are using the module with loop power (2-wire) negative
common devices, connect to the SNAP-AIMA-HDB (or -FM)
rack. If you are using the module with self-powered devices
(4-wire) or with devices that share a common positive
connection, do not use the SNAP-AIMA-HDB (or -FM) boards,
which have a current limiting diode. Instead, wire to the SNAP-
AIV-HDB or SNAP-AIV-HDB-FM.
Correcting for Inverted Scaling
Positive readings for these modules appear as negative values.
Therefore, in order to obtain meaningful readings, use the
scaling feature in PAC Control as follows:
1.
2.
Part Number
SNAP-AIMA-32
SNAP-AIMA-32-FM
SNAP-HD-BF6
SNAP-AIMA-HDB
SNAP-AIMA-HDB-FM
In the Add or Edit Analog Point dialog box for each point,
choose the scalable version of the module.
Under Scaling, scale each point negatively as shown
below:
Opto 22 • 43044 Business Park Drive • Temecula, CA 92590-3614 • www.opto22.com
Description
32-channel analog current input,
-20 mA to +20 mA
Wiring harness for SNAP-AIMA-32
modules and breakout racks
Breakout racks for SNAP-AIMA-32
and SNAP-AIMA-32-FM
PAGE
9