Frequency or Pulse to Analog DC Signal Converters and Transmitters

lifetime warranty
  • Lifetime Warranty on API Modules
  • LoopTracker® I/O LEDs
  • Hot-Swappable Plug-In Design
  • Zero and Span Output Calibration
  • Push to Test Output
  • Full I/O/Power Isolation
Click on PDF links below
for product information

Literature and Links


API product brochure

Options & accessories

Cross reference

UL Approvals

API modules USA
API modules Canada

APD modules USA
APD modules Canada

Reference Info


Ground Loops
RFI/EMI
LoopTracker and Output Test
Sink vs Source

Applications


Remote monitoring of motor speed
HVAC variable air volume control
Hall-effect flow sensor
Auto-ranging flow meter
Control and record water flow
Isolate & convert flow meter signal
Isolate & convert gas flow meter signal

How to Order

  1. Select a model
  2. See data sheet for ordering info and power options
  3. Request an API price list via chat
  4. 2-5 day typical lead time (API products, USA customers)
  5. To place your order
Model Input/Output Features Product

Frequency Input Alarm Trips


Factory Configured

API 1700 G

Open Datasheet
Download Datasheet
Specify input range
Factory configured
0-10 Hz to 0-20 kHz
100 mV to 150 VRMS amplitude change
Input must be self-powered or externally powered

API 1700 G Alarm Trip
One DPDT contact set
Standard: HI alarm, normal acting,
adj. deadband, non-latching
See data sheet for alarm options

  • User adjustable setpoint(s)
  • 8 Amp contacts
  • Hot-swappable plug-in design
  • Input LoopTracker LED
  • Alarm status LEDs
  • Optional low alarm
  • Optional reverse acting
  • Optional latching alarm
  • Output test button
  • Uses API-011 11-pin socket
  • 115 VAC powered
  • A230 option for 230 VAC
  • P option for 85-265 VAC, 60-300 VDC power
  • D option for 9-30 VDC power


Api 1700G
API 1700 G

Frequency Input Alarm Trips


Factory Configured

APD 1700
APD 1720

Open Datasheet
Download Datasheet
Specify input range
Factory configured
0-25 Hz to 0-20 kHz
100 mV to 150 V RMS
Any waveform with minimum 100 mV amplitude change
Use with 2 wire, 3 wire NPN or PNP sensors

APD 1700 Single Alarm Trip
Dual SPDT contact sets
Standard: HI alarm, non-latching, normal acting
See data sheet for alarm options

APD 1720 Dual Alarm Trip
2 independent SPDT contact sets
Standard: HI/LO alarms, non-latching, normal acting
See data sheet for alarm options

  • Input sensitivity adjustment
  • 15 VDC sensor power available
  • User adjustable setpoint(s)
  • User adjustable deadband(s)
  • 8 Amp SPDT contacts
  • Input LoopTracker LED
  • Alarm status LEDs
  • Alarm options: LO, HI/HI, LO/LO
  • Optional reverse acting
  • Optional latching alarms
  • Push to test/reset
  • Remote push to test/reset
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount without tools
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD 1700 UL approved
APD 1700, APD 1720

Frequency to DC Isolated Signal Conditioner


Factory Configured

API 7010 G

Open Datasheet
Download Datasheet
Specify input range
Factory configured
0-25 Hz to 0 to 20 kHz
100 mV to 150 VRMS amplitude
Sensor power supply available

Specify output range
Factory configured
0-1 V to 0-10 V
±1 V to ±10 V
0-1 mA to 0-20 mA, 4-20 mA

  • Hot-swappable plug-in design
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • Uses API-008 8-pin socket
  • Lifetime warranty
  • 115 VAC powered
  • A230 option for 230 VAC
  • P option for 85-265 VAC, 60-300 VDC power
  • D option for 9-30 VDC power


Api 7010G UL listed
API 7010 G

Frequency to DC Isolated Signal Conditioner


Factory Configured

APD 7010

Open Datasheet
Download Datasheet
Specify input range
Factory configured
0-25 Hz to 0 to 20 kHz
100 mV to 150 VRMS amplitude
Sensor power supply available

Specify output range
0-1 V to 0-10 V
±1 V to ±10 V
0-1 mA to 0-20 mA, 4-20 mA

  • Accepts most frequency & prox sensors
  • Removable plugs
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • Selectable output sink/source
  • 15 V sensor power supply
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power


APD7010UL approved
APD 7010

DC to Frequency Isolated Signal Conditioners


Field Selectable Minuteman Setup


API 7500 G
API 7500 G SS

Open Datasheet
Download Datasheet
24 field configurable inputs
0-50 mVDC to ±10 VDC
0-1 mADC to 0-20 mADC

API 7500 G DC to Frequency Transmitters
30 field configurable outputs
Low range: 0-100 Hz to 0-1500 Hz
High range: 0-2 kHz to 0-30 kHz
MOSFET output std., TTL optional

API 7500 G SS DC to Low Frequency Transmitters
30 field configurable outputs
Low range: 0-1 Hz to 0-15 Hz
High range: 20 Hz to 300 Hz
MOSFET output std., TTL optional

  • 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
  • Lifetime warranty
  • 115 VAC powered
  • A230 option for 230 VAC
  • P option for 85-265 VAC, 60-300 VDC power
  • D option for 9-30 VDC power


Api 7500G UL listed
API 7500 G, API 7500 G SS
Socket sold separately

DC to Frequency Isolated Signal Conditioners


Field Selectable Minuteman Setup


APD 7500
APD 7500 SS

Open Datasheet
Download Datasheet
24 field configurable inputs
0-50 mVDC to ±10 VDC
0-1 mADC to 0-20 mADC

APD 7500 DC to Frequency Transmitters
30 field selectable outputs
Low range: 0-100 Hz to 0-1500 Hz
High range: 0-2 kHz to 0-30 kHz
MOSFET output std., TTL optional
Can be wired for MOSFET or TTL output
50% duty cycle square wave output

APD 7500 SS DC to Low Frequency Transmitters
30 field selectable outputs
Low range: 0-1 Hz to 0-15 Hz
High range: 20 Hz to 300 Hz
Can be wired for MOSFET or TTL output
50% duty cycle square wave output

  • Setup via rotary switches & easy-to-use tables
  • 1200 V full isolation input/output/power
  • Adjustable low frequency cutout
  • Input and output LoopTracker® LEDs
  • Output test button with remote test capbility
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

Apd 7500UL approved
APD 7500, APD 7500 SS

Frequency to DC Isolated Signal Conditioner


Field Selectable Minuteman Setup


APD 7580

Open Datasheet
Download Datasheet
30 field configurable input ranges
Low range: 0-100 Hz to 0-1500 Hz
High range: 0-2 kHz to 0-30 kHz
100 mV to 150 VRMS amplitude
Sensor power supply available

16 field configurable outputs
0-1 V to 0-10 VDC
±1 V to ±10 V
0-2 mA to 0-20 mA, 4-20 mA
  • Accepts most frequency & prox sensors
  • Minuteman one-minute setup
  • Removable plugs
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • Selectable output sink/source
  • 15 V sensor power supply
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD7580 UL approved
APD 7580

Frequency to DC Isolated Signal Conditioner


Field Selectable Minuteman Setup


API 7580 G

Open Datasheet
Download Datasheet
30 field configurable input ranges
Low range: 0-100 Hz to 0-1500 Hz
High range: 0-2 kHz to 0-30 kHz
100 mV to 150 VRMS amplitude
Sensor power supply available

16 Field configurable outputs
0-1 V to 0-10 VDC
±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
  • Lifetime warranty
  • 115 VAC powered
  • A230 option for 230 VAC
  • P option for 85-265 VAC, 60-300 VDC power
  • D option for 9-30 VDC power

Api 7580 G UL listed
API 7580 G
Socket sold separately

IsoSplitter® Frequency Signal Splitter
1 Frequency Input to 2 DC Outputs


Factory Configured

APD 7393

Open Datasheet
Download Datasheet
Specify frequency range
Factory Configured
10-25 Hz to 0-20 kHz
100 mV to 150 VRMS amplitude
Sensor power supply available

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA
  • One frequency input
  • Two isolated DC output channels
  • I/O LoopTracker LEDs
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power

Frequency IsoSplitterUL approved
APD 7393 Frequency IsoSplitter



DuoPak® 2 Channel Isolated Signal Conditioners


Factory Configured

APD 2000 Series

Specify input range for each channel

APD 2007 Ch1: DC mV/V/mA Ch2: Frequency
APD 2017 Ch1: RTD Ch2: Frequency
APD 2037 Ch1: Potentiometer Ch2: Frequency
APD 2057 Ch1: Strain gauge Ch2: Frequency
APD 2067 Ch1: AC mV/V/mA Ch2: Frequency
APD 2077 Ch1: Frequency Ch2: Frequency

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA

  • Optional I/O reversal
  • I/O LoopTracker LEDs
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power

DuoPakUL approved
APD 2000 Series Frequency

4 Digit 4-20 mA Loop Powered Display


Field Rangeable


S315
S315-IP66

Open Datasheet
Download Datasheet

Open Installation Manual
Download Installation Manual
Loop Powered Display
Input: 4-20 mA
Display: 4 digit red LED

  • 1/8 DIN panel mount or IP66 housing
  • Scaleable 4 digit display

CE logo  new!
S315
S315

RheinTacho Frequency Input Speed Monitors


Field Programmable, Isolated


CR
CRR
CRA
CRRA

Open Datasheet
Download Datasheet

Open Instructions
Download Instructions
Programmable Input
Min: 0-0.01 Hz
Max: 0-20,000 Hz

Optional sensors:
Hall
Differential Hall
Magnetoresistive

Output
CR: 1 relay
CRR: 2 relays
CRA: 1 relay & analog output
CRRA 2 relays & analog output

Relay: 5A@250VAC/2A@42VDC resistive
Analog output: 0-20mA or 4-20mA




  • Field programmable
  • DIN-rail mounted
  • Programmable measuring units
  • Programmable relays
  • Programmable delay and reset
  • Full I/O/power isolation
  • 18-36 VDC powered


RheinTacho CRR CE
CR Series
Sensors sold separately