SNAP-AOA-23 OPTO 22, SNAP-AOA-23 Datasheet

SNAP-AOA-23

Manufacturer Part Number

SNAP-AOA-23

Description

I/O Module

Manufacturer

OPTO 22

Type

Outputr

Datasheets

1.SNAP-AOA-23.pdf (14 pages)

2.SNAP-AOA-23.pdf (4 pages)

Specifications of SNAP-AOA-23

Accessory Type

Dual-channel Analog Output

Leaded Process Compatible

Peak Reflow Compatible (260 C)

No. Of Analog Outputs

Output Current Max

20mA

Signal Input Type

12 Bit Serial Data

Brand/series

SNAP Series

Connection To Host

Backplane

Current, Input

150 mA

Current, Rating

4 to 20 mA

Dimensions

82.55mmL×18.29mmW×90.17mmH

Mounting Type

DIN Rail

Number Of Channels

Output

4 to 20 mA

Output Type

Analog

Output, Range

4 to 20 mA

Primary Type

Control

Resolution

3.9 A

Temperature, Operating

0 to +70 °C

Time, Response

3 ms (Delta Time)

Voltage, Isolation

4000 V

Voltage, Supply

5 V

Rohs Compliant

No. Of Outputs

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

For Use With

SNAP PAC System

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SNAP Analog Output Modules

Description

SNAP I/O analog output modules are part of Opto 22’s SNAP PAC

System. They mount on SNAP PAC racks along with other I/O

modules and a SNAP PAC brain or R-series controller.

These software-configurable output modules handle a wide variety

of signal levels. Most provide dual-channel packaging. All SNAP

analog modules are factory calibrated. Part numbers ending in -FM

are Factory Mutual approved.

SNAP analog output 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 stand-alone operation of SNAP analog

modules, please refer to the SNAP I/O Module Integration Guide

(Opto 22 form #876).

For specifications and wiring diagrams, see the module descriptions

starting on

Notes for legacy hardware: SNAP analog output modules can

also be used with legacy SNAP Simple, SNAP Ethernet, and SNAP

Ultimate brains and with serial SNAP brains such as the B3000.

These modules can be mounted on SNAP B-series or M-series racks.

Isolation

All SNAP analog output modules are transformer isolated as well as

optically isolated from all other modules and from the I/O processor

(SNAP PAC brain or on-the-rack controller). On most dual-channel

modules, the two channels are not isolated from each other. The

exceptions are the SNAP-AOA-23-iSRC and the SNAP-AOD-29,

which have two isolated channels.

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

Features

Resolution = 0.004% of nominal range

Rugged packaging

Convenient pluggable wiring

Factory calibrated; no user adjustment necessary

Out-of-range indication

Operating temperature 0 °C to 70 °C

Accepts up to 14 AWG wire

page

2. Dimensional drawings begin on

page

10.

Part Numbers

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

device is different.

Optical isolation provides 4,000 volts of transient (4,000 V for 1 ms)

protection for sensitive control electronics from industrial field

signals.

IMPORTANT: Since most SNAP dual-channel analog output

modules provide two single-ended output channels with a

common reference, these dual channels are transformer and

optically isolated from other modules, but not from each other. The

exceptions are the SNAP-AOA-23-iSRC and the SNAP-AOD-29,

which have channel-to-channel isolation.

SNAP-AOA-3

SNAP-AOV-5

SNAP-AOA-23

SNAP-AOA-23-iSRC

SNAP-AOA-23-iSRC-FM*

SNAP-AOV-25

SNAP-AOV-27

SNAP-AOA-28

SNAP-AOD-29

* Factory Mutual approved

Part

SNAP Analog Output Modules

Single-channel current

output, 4–20mA

Single-channel analog volt-

age output, 0 to 10 VDC

Dual-channel analog output,

current loop, 4–20mA

Isolated dual-channel ana-

log output, current loop, 4–

20 mA, with loop sourcing

Dual-channel analog volt-

age output, 0 to 10 VDC

Dual-channel analog volt-

age output, -10 to +10 VDC

Dual-channel analog output,

current loop, 0–20 mA

Dual-channel analog time-

proportional digital output,

5 to 60 VDC

Description

See

pg 2

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pg 5

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pg 7

pg 8

pg 9

PAGE

Related parts for SNAP-AOA-23

SNAP-AOA-23 Summary of contents

Page 1

... I/O processor (SNAP PAC brain or on-the-rack controller). On most dual-channel modules, the two channels are not isolated from each other. The exceptions are the SNAP-AOA-23-iSRC and the SNAP-AOD-29, which have two isolated channels. Transformer isolation prevents ground loop currents from flowing between field devices and causing noise that produces erroneous readings ...

Page 2

... Description Dual-channel analog output current loop SNAP-AOA-23 4–20 mA Description The SNAP-AOA-23 module provides a nominal output range mA. An external loop power source is required for the current loops. NOTE: Both channels share common reference terminals. Common reference terminals are and 8. Specifications: 12-bit serial data ...

Page 3

... Dimensional Drawings All Modules Note: The SNAP-AOD-29 time-proportional output (TPO) module has integral LEDs for monitoring and troubleshooting the module’s outputs and inhibit inputs. PAGE 10 SNAP Analog Output Modules - ...

Page 4

... Dimensional Drawing All Modules SNAP Analog Module Mounted on a SNAP Rack PAGE 12 SNAP Analog Output Modules ...

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