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Two Channel Signal Converter/Isolator/Transmitter

APD 2006

Two Independent Channels with Full Isolation

Zero and Span for Each Output

Input and Output LoopTracker

LEDs

Output Test/Manual Override for Each Channel

Built-In I/O Power Supplies

Monitor a DC Signal and an AC Signal

Convert/Isolate Dual Output Transmitters

Applications

Removable Plugs

Dimensions

1.78" W x 4.62" H x 4.81" D
45 mm W x 117 mm H x 122 mm D
Height includes connectors

Sink or Source

mA Output for

Each Channel

Output LoopTracker

LED for Each

Channel

Adjustable Output

Test Function for

Each Channel

Zero and Span for

Each Channel

Custom I/O Ranges

Description

The APD 2006 DuoPak accepts one DC voltage or current input
and one AC voltage or current input provides two optically
isolated DC voltage or current outputs that are linearly related
to the inputs.
The input ranges and the output ranges for each channel are
independent and can be specified as required. This provides an
economical two channel solution in one device.
Typical applications include signal conversion, isolation, and
redundancy (i.e. to prevent failure of the entire loop if one
device fails), or a combination of these.
Each input signal is filtered, amplified, and then passed
through an opto-coupler to the output stages. Full 5-way
isolation (input 1, input 2, output 1, output 2, power) make
this module useful for ground loop elimination, common mode
signal rejection, and noise pickup reduction.

I/O Sink/Source Versatility

Standard on the APD 2006 is a 15 VDC loop excitation supply
for the DC input channel and 20 VDC loop excitation sup-
plies for each output channel. These power supplies can be
selectively wired for sinking or sourcing allowing use with any
combination of powered or unpowered milliamp I/O devices.

LoopTracker

API exclusive features include four LoopTracker LEDs (green
for each input, red for each output) that vary in intensity with
changes in the process input and output signals.
These provide a quick visual picture of your process loop at all
times and can greatly aid in saving time during initial startup
and troubleshooting.

Output Test

An API exclusive feature includes output test buttons for each
channel to provide a fixed output (independent of the input)
when held depressed.
Terminals are also provided to operate the test functions
remotely for each channel. This also allows use as a remote
manual override to provide a temporary fixed output if desired.
The test output level for each channel is potentiometer adjust-
able from 0 to 100% of the output span. The output test greatly
aids in saving time during initial startup and/or troubleshooting.

Universal

Power

Input LoopTracker

LED for Each

Channel

Channel 1: DC to DC

Channel 2: AC to DC

Channel 1 DC Input Range

Factory configured, please specify input type and range
Voltage:

0-10 mVDC to 0-100 VDC

Bipolar voltage: ±50 mVDC to ±10 VDC
Current:

0-1 mADC to 0-50 mADC, 4-20 mADC

Voltage input impedance:

200 k

Ω

minimum

Current input impedance:

Ω

typical

Input com. mode rejection: 120 dB minimum
Current input voltage burden: 1.25 VDC max. at 20 mA
Input loop power supply:

15 VDC, ±10%, regulated,
25 mADC, may be connected
for sinking or sourcing mA input

Channel 2 AC Input Range

Factory configured, please specify input type and range
Voltage:

0-50 mVAC to 0-300 VAC

Current:

0-1 mAAC to 0-1000 mAAC

Measurement type:

True RMS

Frequency:

40 Hz to 1000 Hz sinusoidal

Voltage input impedance:

220 k

Ω

minimum

Current input voltage burden: 1.0 V

RMS

maximum

LoopTracker

Variable brightness LEDs indicate I/O levels for each channel

Channel 1 and Channel 2 Output Ranges

Factory configured, please specify for each output channel
Voltage:

0-1 VDC to 0-10 VDC, 10 mA max
up to 20 VDC with M19, M29, M39

Bipolar voltage: ±1 VDC to ±10 VDC
Current:

0-1 mADC to 0-20 mADC, 4-20 mADC
20 V compliance, 1000

Ω

at 20 mA

Output Loop Power Supplies

20 VDC nominal, regulated, 25 mADC for each output channel
May be selectively wired for sinking or sourcing mA output

Output Calibration

Multi-turn zero and span potentiometers for each output channel
±15% of span adjustment range typical

Output Characteristics

Linearity:

±0.1% of span

Temperature stability:

Better than 0.04% span/°C

Output ripple and noise:

Less than 10 mV

RMS

Isolation

Full 5-way, 1200 V

RMS

minimum

Response Time

70 milliseconds typical

Output Loop Power Supplies

20 VDC nominal, regulated, 25 mADC for each output channel
May be selectively wired for sinking or sourcing mA output

Output Test

Front buttons set each output to test level when pressed
Each test level potentiometer adjustable 0-100% of span

Installation Environment

Mount vertically to a 35 mm DIN rail
For use in Pollution Degree 2 Environment
IP 40 housing, requires installation inside an enclosure
–10°C to +60°C operating ambient

Connectors

Eight 4-terminal removable connectors, 14 AWG max wire size

Power

85-265 VAC, 50/60 Hz or 60-300 VDC, 6 W maximum
D versions: 9-30 VDC or 10-32 VAC 50/60 Hz, 6 W maximum

Connect Sink or

Source mA

for DC Input

Options—add to end of model number
R1

Channel 1 I/O reversal (i.e. 20-4 mA out)

Channel 2 I/O reversal (i.e. 20-4 mA out)

Channel 1 and channel 2 I/O reversal

M19