SNAP-AITM-I OPTO 22, SNAP-AITM-I Datasheet

SNAP-AITM-I

Manufacturer Part Number

SNAP-AITM-I

Description

I/O Module

Manufacturer

OPTO 22

Type

Inputr

Datasheets

1.SNAP-AIMA-I.pdf (19 pages)

2.SNAP-AITM-I.pdf (4 pages)

Specifications of SNAP-AITM-I

Leaded Process Compatible

Peak Reflow Compatible (260 C)

Signal Input Type

Thermocouple/Millivolt

Resolution

6uV

No. Of Analog Inputs

Brand/series

SNAP Series

Connection To Host

Backplane

Current, Input

200 mA

Dimensions

82.55mmL×18.29mmW×73.15mmH

Input

-75 to +75/-150 to +150 mV

Input Type

Analog

Input, Range

-75 to +75/-150 to +150 mV

Mounting Type

PCB

Number Of Channels

Number Of Inputs

2 Channels

Primary Type

Control

Resistance, Input

100 Megohms

Special Features

Transformer Isolation, Optical Isolation

Standards

UL, CSA, CE Certified

Temperature, Operating

0 to +70 °C

Time, Response

23 ms

Voltage, Isolation

4000/1500 V

Voltage, Supply

5 VDC

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

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SNAP Isolated Analog Input

Modules

Description

SNAP I/O isolated analog input modules provide two channels

isolated from each other, thereby eliminating problems caused by

ground loop currents. These isolated analog modules are part of

Opto 22’s SNAP PAC System and mount on SNAP PAC racks with an

I/O processor (brain or on-the-rack controller).

Since many SNAP analog input modules are software-configurable

and handle a wide variety of signal levels, a small number of

modules can support a full range of analog input requirements.

Modules provide high resolution for precise signal levels, as well as

dual-channel packaging. All SNAP analog modules are factory

calibrated. Part numbers ending in -FM are Factory Mutual

approved. Dimensional drawings are on pages 11–14.

SNAP analog input modules have an on-board microprocessor to

provide module-level intelligence, making them an ideal choice for

Original Equipment Manufacturers (OEMs). For more information

about the standalone operation of SNAP analog modules, see the

SNAP I/O Module Integration Guide (Opto 22 form #876).

Notes for legacy hardware: These modules can also be used

with SNAP Simple, SNAP Ethernet, and SNAP Ultimate brains, as

well as SNAP mistic brains such as the serial B3000. These modules

can be installed on M-series or B-series mounting racks.

Isolation

All SNAP analog input modules are transformer isolated as well as

optically isolated from all other modules and from the SNAP brain

or on-the-rack controller. In addition, the modules described in this

data sheet feature two channels isolated from each other.

Transformer isolation prevents ground loop currents from flowing

between field devices and causing noise that produces erroneous

readings. Ground loop currents are caused when two grounded

field devices share a connection, and the ground potential at each

device is different. Optical isolation provides 4,000 volts of transient

Features

Channel-to-channel isolation

Rugged packaging and convenient pluggable wiring.

Accepts up to 14 AWG wire.

Factory calibrated; no user adjustment necessary

Out-of-range indication

Operating temperature 0 °C to 70 °C

Part Numbers

SNAP-AIARMS-i

SNAP-AIARMS-i-FM*

SNAP-AIVRMS-i

SNAP-AIVRMS-i-FM*

SNAP-AIMA-i

SNAP-AIMA-iSRC

SNAP-AIMA-iSRC-FM*

SNAP-AIMA2-i

SNAP-AITM-i

SNAP-AITM2-i

SNAP-AIV-i

SNAP-AIV2-i

* Factory Mutual approved

(4,000 V for 1 ms) protection for sensitive control electronics from

industrial field signals.

Channel-to-channel isolation gives you complete freedom from

ground-loop problems even on grounded devices connected to

channels on the same module.

SNAP Isolated Analog Input Modules

Part

Isolated two-channel 0 to 10

amp RMS AC/DC input

Isolated two-channel 0 to 250 V

RMS AC/DC input

Isolated two-channel analog

current input -20 mA to +20 mA

Isolated two-channel analog

current input -20 mA to +20

mA, with loop sourcing

Isolated two-channel analog

current input -1 mA to +1 mA

Isolated two-channel analog

type E, J, or K thermocouple or

-150 mV to +150 mV input

or -75 mV to +75 mV input

Isolated two-channel analog

type B, C, D, G, N, T, R, or S

thermocouple or -50 mV to

+50 mVDC input or -25 mV to

+25 mVDC input

Isolated two-channel analog

voltage input-10 VDC to +10

VDC or -5 VDC to +5 VDC

Isolated two-channel analog

voltage input -100 VDC to +100

VDC or -50 VDC to +50 VDC

Description

See

PAGE

Related parts for SNAP-AITM-I

SNAP-AITM-I Summary of contents

Page 1

... Isolated two-channel analog SNAP-AIMA-iSRC current input - +20 SNAP-AIMA-iSRC-FM* mA, with loop sourcing Isolated two-channel analog SNAP-AIMA2-i current input - Isolated two-channel analog type thermocouple or SNAP-AITM-i -150 mV to +150 mV input or - +75 mV input Isolated two-channel analog type SNAP-AITM2-i thermocouple or - +50 mVDC input or - +25 mVDC input Isolated two-channel analog ...

Page 2

... SNAP-AITM-i K thermocouple or -150 mV to +150 mV input or - +75 mV input Description The SNAP-AITM-i module provides two channels of analog to digital conversion. Each channel on the module can be configured for -150 +150 - +75 mV DC, or for type thermocouple operation. The two channels are isolated from each other. Since these channels do not share any common connections, grounded sensors and field devices may be used with them ...

Page 3

... Dimensional Drawing SNAP-AITM-i and SNAP-AITM2-i Modules PAGE 12 SNAP Isolated Analog Input Modules ...

Page 4

... Dimensional Drawing PAGE 14 SNAP Isolated Analog Input Modules ...

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