Absolute Process Instruments DuoPak APD 2011 Manual
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Two Channel Signal Converter/Isolator/Transmitter
®
Channel 1: RTD or Thermistor Temperature to DC
O Two Independent Channels with Full Isolation
O Zero and Span for Each Output
O Input and Output LoopTracker
LEDs
®
O Output Test/Manual Override for Each Channel
O Built-In I/O Power Supplies
Applications
Q Monitor Two Temperature Sensors
Q Convert/Isolate Dual Output Transmitters
Channel 1 RTD or Thermistor Input Range
Factory configured, please provide complete sensor specifica-
tions and temperature range. 100°F (55°C) minimum span.
RTD input:
Resistance at 0°C
Curve (385, 3916, 392 etc.)
Temperature range in °F or °C
RTD resistance: Typically 10 Ω to 2000 Ω, 2 or 3 wire
Excitation current: Typically 10 Ω: 10 mA, 100 Ω: 2 mA,
1000 Ω: 0.5 mA, 2000 Ω: 0.2 mA
Leadwire comp.: < ±0.05% of span per 1 Ω change in
leadwire resistance, 3 wire sensor
Thermistor input: Type (NTC or PTC) & temperature curve data
Temperature range in °F or °C
Thermistor resist.: Typically 2 kΩ to 20 kΩ
Channel 2 RTD or Thermistor Input Range
Factory configured, please provide complete sensor specifica-
tions and temperature range. 100°F (55°C) minimum span.
RTD input:
Resistance at 0°C
Curve (385, 3916, 392 etc.)
Temperature range in °F or °C
RTD resistance: Typically 10 Ω to 2000 Ω, 2 or 3 wire
Excitation current: Typically 10 Ω: 10 mA, 100 Ω: 2 mA,
1000 Ω: 0.5 mA, 2000 Ω: 0.2 mA
Leadwire comp.: < ±0.05% of span per 1 Ω change in
leadwire resistance, 3 wire sensor
Thermistor input: Type (NTC or PTC) & temperature curve data
Temperature range in °F or °C
Thermistor resist.: Typically 2 kΩ to 20 kΩ
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 0-25 mADC, 4-20 mADC
20 V compliance, 1000 Ω at 20 mA
Output Calibration
Multi-turn zero and span potentiometers for each output channel
±15% of span adjustment range typical
Characteristics
Accuracy: ±0.1% of span (incl. adj. resolution and linearity)
Output ripple and noise:
Less than 10 mV
Isolation:
Full 5-way, 1200 V
Response Time
70 milliseconds typical
Ambient Temperature Range and Stability
–10°C to +60°C operating ambient, <±0.04% span/°C stability
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
Housing and Connectors
IP 40, requires installation in panel or enclosure
Mounts to standard 35 mm DIN rail
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
BSOLUTE
Quick Link
api-usa.com/2000
Free Factory
I/O Setup!
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Made in USA
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
Description
The APD 2011 DuoPak accepts two RTD or thermistor inputs
and provides two optically isolated DC voltage or current out-
puts 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.
Output Sink/Source Versatility
RMS
minimum
Standard on the APD 2011 are 20 VDC loop excitation sup-
RMS
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.
How to Order
Models are factory ranged. See I/O ranges above left.
Ranges and options for each channel must be specified on order
Channel 1 input range
Channel 2 input range
Channel 1 output range
Channel 2 output range
Model
APD 2011
DuoPak 2 channel
RTD-DC converter/
isolator/transmitter
APD 2011 D
ROCESS NSTRUMENTS, Inc.
Channel 2: RTD or Thermistor Temperature to DC
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
Input LoopTracker
LED for Each
Channel
Custom I/O Ranges
Universal
Power
Description
Power
85-265 VAC, 50/60 Hz or
60-300 VDC
9-30 VDC or 10-32 VAC
1220 American Way Libertyville, IL 60048
800-942-0315
Phone:
APD 2011
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.
Options and Accessories
Options—add to end of model number
R1
Channel 1 I/O reversal (i.e. 20-4 mA out)
R2
Channel 2 I/O reversal (i.e. 20-4 mA out)
R3
Channel 1 and channel 2 I/O reversal
M19 Channel 1 high voltage output >10 V up to 20 V
M29 Channel 2 high voltage output >10 V up to 20 V
M39 Channel 1 and channel 2 high voltage output
U
Conformal coating for moisture resistance
Accessory—order as separate line item
API BP4 Spare removable 4 terminal plug, black
© 06-14
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Fax: 800-949-7502
Removable Plugs