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Signal Conditioners, Signal Isolators, Process Transmitters
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DC Input Signal Conditioners & Transmitters

Download pdf with all products on this page
DC to DC Signal Conditioners &Transmitters
Click on model numbers below for data sheets and application information
For data sheets on discontinued models, please scroll to bottom of page.

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LoopTracker® LEDs
Output Test
Lifetime Warranty
Reference Info
Ground Loops
RFI / EMI
Model Input Output Features
API 2000 Series

DuoPak®
Two Channel Isolated Transmitter
Specify Input Type and Range for Each Channel
Factory Configured
Choose Any Two:
DC voltage or current
AC voltage or current
RTD
Frequency
Potentiometer
Strain Gauge
See data sheet for input specifications and model numbers
Specify Output Range for Each Channel
Factory Configured
0-1 V,  0-5 V, 
1-5 V,  0-10 V
±5 V,  ±10 V
0-1 mA,  0-20 mA,  4-20 mA
Others available
  • Two Independent Channels
  • I/O LoopTracker LEDs
  • Output Test Buttons
  • Full I/O/Power Isolation
  • Removable Plugs
  • DIN Rail or Surface Mount
  • 55 mm Wide
  • 80-265 VAC, 48-300 VDC Power
  • API 20xx DD for 9-30 VDC, 10-32 VAC Power (+$60)
Api DuoPak
API 4300 G

Isolated DC-DC Transmitter
with Loop Power Supply
Specify Input Range
Factory Configured
0-100 mVDC to
0-100 VDC
±100 mVDC to ±10 VDC
0-1 mADC to
0-900 mADC
Others available
Specify Output Range
Factory Configured
0-1 V,  0-5 V, 
1-5 V,  0-10 V
±5 V,  ±10 V
0-1 mA,  0-20 mA,  4-20 mA
Others available
  • Hot-Swappable Plug-In Design
  • Direct Replacement for Action AP 4300
  • I/O LoopTracker LEDs
  • Output Test Button
  • Full I/O/Power Isolation
  • 18 V Loop Power Supply
  • Uses API-008 8-Pin Socket
  • 115 VAC Powered
  • A230 option for 230 VAC Power
  • D option for 9-30 VDC Power (+$60)
UL listed

Api 4300G

APD 4300

Factory Ranged
Isolated DC-DC Transmitter
with I/O Loop Power Supplies

new product

Specify Input Range
Factory Configured
0-100 mVDC to
0-100 VDC
±100 mVDC to ±10 VDC
0-1 mADC to
0-900 mADC

Others available

Specify Output Range
Factory Configured
0-1 V to ±10 VDC,
0-1 mA to 4-20 mA, up to 20 VDC with M09 option,
Others available
  • Removable Plugs
  • I/O LoopTracker LEDs
  • Output Test Button
  • Output Test Terminals for Manual Override Capability
  • Full I/O/Power Isolation
  • Selectable I/O Sink/Source
  • 15 V Input Loop Power Supply
  • 20 V Output Loop Power Supply
  • 80-265 VAC, 48-300 VDC Powered
  • D option for 9-30 VDC, 10-32 VAC Power
APD 4300

APD 4300 PLC

4-20 mA Isolated Transmitter
with Selectable I/O Loop Power Supplies

  • Isolate Single-Ended Inputs, Eliminate PLC/DCS Ground Loops
  • Isolate and Correct Sink-Sink or Source-Source Mismatches
  • Use with Allen Bradley, GE/Fanuc, IDEC, Omron, Mitsubishi, Modicon, Siemens, Panasonic, Honeywell Analog Inputs
new product
4-20 mA Input

Can be Field Wired for Sink or Source
4-20 mA Output

Can be Field Wired for Sink or Source
  • Removable Plugs
  • I/O LoopTracker LEDs
  • Output Test Button
  • Output Test Terminals for Manual Override Capability
  • Full I/O/Power Isolation
  • Selectable I/O Sink/Source
  • 15 V Input Loop Power Supply
  • 20 V Output Loop Power Supply
  • 80-265 VAC, 48-300 VDC Powered
  • D option for 9-30 VDC, 10-32 VAC Power
APD 4300

API 4300 DIN PLC
API 4300 DD PLC


4-20 mA Isolated Transmitters
with Selectable I/O Loop Power Supplies

  • Isolate Single-Ended Inputs, Eliminate PLC/DCS Ground Loops
  • Isolate and Correct Sink-Sink or Source-Source Mismatches
  • Use with Allen Bradley, GE/Fanuc, IDEC, Omron, Mitsubishi, Modicon, Siemens, Panasonic, Honeywell Analog Inputs

Standard Input Range
Factory Configured
4-20 mA
Sink or Source

Standard Output Range
Factory Configured
4-20 mA
Sink or Source
  • Input and Output Configurable for Sink or Source
  • Built-In Loop Power Supplies for Input and Output
  • I/O LoopTracker LEDs
  • Output Test Button
  • Local or Remote Functional Output Test
  • Full I/O/Power Isolation
  • 15 V Loop Power Supply
  • DIN Rail or Surface Mount
  • 22.5 mm Wide
  • 80-265 VAC/VDC Powered
  • API 4300 DD PLC for 9-30 VAC/VDC Power (+$60)
Api 4300 DIN
API 4300 DIN
API 4300 DD


Isolated DC-DC Transmitter
with Loop Power Supply
Specify Input Range
Factory Configured
0-100 mVDC to
0-500 VDC
±100 mVDC to ±10 VDC
0-1 mADC to
0-900 mADC
Others available
Specify Output Range
Factory Configured
0-1 V,  0-5 V, 
1-5 V,  0-10 V
±5 V,  ±10 V
0-1 mA,  0-20 mA,  4-20 mA
Others available
  • I/O LoopTracker LEDs
  • Output Test Button
  • Full I/O/Power Isolation
  • 15 V Loop Power Supply
  • DIN Rail or Surface Mount
  • 22.5 mm Wide
  • 80-265 VAC/VDC Powered
  • API 4300 DD for 9-30 VAC/VDC Power (+$60)
Api 4300 DIN
API 4310 G

Isolated DC-DC Transmitter
Narrow Input Span
with Loop Power Supply
Specify Input Range
Factory Configured
0-10 mVDC to
0-100 mVDC
±50 mVDC
0-10 0 μADC to
0-1 mADC
Others available
Specify Output Range
Factory Configured
0-1 V,  0-5 V, 
1-5 V,  0-10 V
±5 V,  ±10 V
0-1 mA,  0-20 mA,  4-20 mA
Others available
  • Hot-Swappable Plug-In Design
  • I/O LoopTracker LEDs
  • Output Test Button
  • Full I/O/Power Isolation
  • 18 V Loop Power Supply
  • Uses API-008 8-Pin Socket
  • 115 VAC Powered
  • A230 option for 230 VAC Power
  • D option for 9-30 VDC Power (+$60)
UL listed

Api 4310 G
API 4380 G

Field Selectable Minuteman Setup

Isolated DC-DC Transmitter
with Loop Power Supply
24 Field Configurable Inputs
0-50 mVDC to
±10 VDC
0-1 mADC to
0-20 mADC
Others available
16 Field Configurable Outputs
0-1 V to ±10 V
0-2 mA to 0-20 mA
4-20 mA
  • Minuteman One-Minute Setup
  • Hot-Swappable Plug-In Design
  • Plug-in replacement for Action AP 4380 and Wilkerson MM 4380
  • I/O LoopTracker LEDs
  • Output Test Button
  • Full I/O/Power Isolation
  • 18 V Loop Power Supply
  • Uses API-008 8-Pin Socket
  • 115 VAC Powered
  • A230 option for 230 VAC Power
  • D option for 9-30 VDC Power (+$60)
UL listed

Api 4380G
API 4380 GHV3

Field Selectable Minuteman Setup

Isolated DC-DC Transmitter
High Voltage Input
24 Field Configurable Inputs
0-1 VDC to
±200 VDC
Others available
16 Field Configurable Outputs
0-1 V to ±10 V
0-2 mA to 0-20 mA
4-20 mA
  • Minuteman One-Minute Setup
  • Hot-Swappable Plug-In Design
  • I/O LoopTracker LEDs
  • Output Test Button
  • Full I/O/Power Isolation
  • Uses API-008 8-Pin Socket
  • 115 VAC Powered
  • A230 option for 230 VAC Power
  • D option for 9-30 VDC Power (+$60)
UL listed

Api 4380 GHV

APD 4380

Field Selectable Minuteman Setup

Isolated DC-DC Transmitter

New

53 Field Configurable Input Ranges
0-10 mVDC to 0-50 VDC
±10 mV to ±10 VDC
0-200 μA to 0-50 mADC
Others available
18 Field Configurable Output Ranges
0-1 V to ±10 V
0-2 mA to 0-20 mA
4-20 mA
Others available
  • Minuteman One-Minute Setup
  • Removable Plugs
  • I/O LoopTracker LEDs
  • Output Test Button
  • Full I/O/Power Isolation
  • Selectable I/O Sink/Source
  • 15 V Input Loop Power Supply
  • 20 V Output Loop Power Supply
  • 80-265 VAC, 48-300 VDC Powered
  • D option for 9-30 VDC, 10-32 VAC Power
APD4380
API 4380 DIN
API 4380 DD


Field Selectable Minuteman Setup


Isolated DC-DC Transmitter
80-265 VAC or 48-300 VDC Powered
24 Field Configurable Inputs
0-50 mVDC to
±10 VDC
0-1 mADC to
0-20 mADC
Others available
16 Field Configurable Outputs
0-1 V to ±10 V
0-2 mA to 0-20 mA
4-20 mA
  • Minuteman One-Minute Setup
  • I/O LoopTracker LEDs
  • Output Test Button
  • Full I/O/Power Isolation
  • 12 V Loop Power Supply
  • DIN Rail or Surface Mount
  • 22.5 mm Wide
  • 80-265 VAC or 48-300 VDC Powered
  • API 4380 DD for 9-30 VDC Power  (+$60)
Api 4380 DIN
API 4385 G

Field Selectable Minuteman Setup

Isolated DC-DC Transmitter
Wide Ranging with Input Offset
with Loop Power Supply
24 Field Configurable Inputs
0-50 mVDC to
0-20 VDC
0-200 μADC to
0-40 mADC
Others available
Selectable Zero Offset
16 Field Configurable Outputs
0-1 V to ±10 V
0-2 mA to 0-20 mA
4-20 mA
  • Minuteman One-Minute Setup
  • Hot-Swappable Plug-In Design
  • I/O LoopTracker LEDs
  • Output Test Button
  • Full I/O/Power Isolation
  • 18 V Loop Power Supply
  • Uses API-008 8-Pin Socket
  • 115 VAC Powered
  • A230 option for 230 VAC Power
  • D option for 9-30 VDC Power (+$60)
UL listed

Api 4385G

APD HV-DC

Fast Field Selectable Setup
Isolated DC-DC Transmitter for
High Voltage DC Inputs

new product

8 Field Configurable Input Ranges

7 standard plus 1 factory set custom range (specify if required)

0-100 VDC,
0-200 VDC,
0-300 VDC,
0-400 VDC,
0-500 VDC,
0-1000 VDC,
0-1200 VDC,
custom

18 Field Configurable Output Ranges

0-1 V,
0-2 V,
0-4 V,
1-5 V,
0-5 V,
0-8 V,
2-10 V,
0-10 V,
±5 V,
±10 V,
0-2 mA,
0-4 mA,
0-8 mA,
2-10 mA,
0-10 mA,
0-16 mA,
4-20 mA,
0-20 mA
  • I/O LoopTracker LEDs
  • Output Test Button
  • Full I/O/Power Isolation
  • DIN rail mount
  • 22.5 mm Wide
  • 80-265 VAC or 48-300 VDC Powered
  • APD HV-DC D for 9-30 VDC / 10-32 VAC Power
APD HV-DC
API 4390

2 Channel DC-DC Transmitter Isolator
Specify Input Range
Factory Configured
2 Independent Channels
0-100 mVDC to
0-10 VDC
0-1 mADC to
4-20 mADC
Others available
Specify Output Ranges
Factory Configured
2 Independent Channels
0-100 mVDC to
0-10 VDC
0-1 mADC to 4-20 mADC
  • I/O LoopTracker LEDs
  • Output Test Buttons
  • Full I/O/Power Isolation
  • DIN Rail or Surface Mount
  • 55 mm Wide
  • 115 VAC Powered
  • A230 option for 230 VAC Power
  • D option for 9-30 VDC Power (+$60)
Removable Plugs!

Api 4390 DIN

API 4391

2 Channel DC-DC Transmitter Isolator
Bipolar Output
Specify Input Range
Factory Configured
2 Independent Channels
0-100 mVDC to
0-10 VDC
0-1 mADC to
4-20 mADC
Others available
Specify Output Ranges
Factory Configured
Bipolar DC Volts
2 Independent Channels
±5 VDC, ±10 VDC
Others Available
  • I/O LoopTracker LEDs
  • Output Test Buttons
  • Full I/O/Power Isolation
  • DIN Rail or Surface Mount
  • 55 mm Wide
  • 115 VAC Powered
  • A230 option for 230 VAC Power
  • D option for 9-30 VDC Power (+$60)
API 4392

2 Channel DC-DC Transmitter Isolator
Bipolar I/O
Specify Input Range
Factory Configured
Bipolar DC Volts or mA
2 Independent Channels
±5 VDC, ±10 VDC
Others Available
Specify Output Ranges
Factory Configured
Bipolar DC Volts or mA
2 Independent Channels
±5 VDC, ±10 VDC
Others Available
  • I/O LoopTracker LEDs
  • Output Test Buttons
  • Full I/O/Power Isolation
  • DIN Rail or Surface Mount
  • 55 mm Wide
  • 115 VAC Powered
  • A230 option for 230 VAC Power
  • D option for 9-30 VDC Power (+$60)
Need a Signal Splitter to convert one input to two or more isolated outputs?
Discontinued Products
API DPI HV-DC High Voltage DC-DC Transmitter. See APD HV-DC above
API 4010 G Non-Isolated DC-DC Transmitter with Loop Power Supply. See API 4300 G
API 4050 G Non-Isolated DC-DC Transmitter Narrow Input Span with Loop Power Supply. See API 4310 G
Phone:  800-942-0315 or 847-918-3510 Fax:  800-949-7502 or 847-968-4891
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