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Home » Shop » hot sale » Absolute Process Instruments API 7500 G SS _ transmitter. Fully isolated.

Absolute Process Instruments API 7500 G SS _ transmitter. Fully isolated.

Original price was: $327.20.Current price is: $244.33.

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SKU: API 7500 G SS Category:
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Absolute Process Instruments API 7500 G SS _ transmitter. Fully isolated.

Cecomp Electronics, API 7500 G SS, DC to Frequency Isolated Signal Conditioner, 30 Field Configurable Input

Features:

  • 24 Selectable Inputs and 30 Selectable Outputs
  • Setup via Rotary Switches & Easy-to-Use Tables
  • 2000 V Full Isolation Input/Output/Power
  • Adjustable Low Frequency Cutout
  • Input and Output LoopTracker® LEDs
  • Functional Test Push Button

Applications:

  • Analog to Frequency for Totalizers and Counters
  • Use With API 7580 for Remote Monitoring

The API 7500 G SS accepts a DC voltage or current input and provides an optically isolated frequency output that is directly proportional to the input. Common applications include pulse counting or totalizing of DC process signals from devices such as flow transmitters, analog signal transmission over long distances, or analog inputs into PLCs. The full 3-way (input, output, power) isolation makes this module useful for ground loop elimination, common mode signal rejection, and noise pickup reduction.

A low frequency cutout potentiometer can be adjusted to disable the output when the input falls below a pre-determined level. The API 7500 G SS can be field-configured via external rotary and slide switches. Common ranges are on the module label, however, virtually unlimited combinations are possible.

The API 7500 G SS has an open drain MOSFET (open collector) output which requires a user supplied external power supply and pull-up resistor allowing the module to be interfaced with a wide variety of devices. 

Sink/Source Versatility

For maximum versatility the input can be selectively wired for sinking (unpowered) or sourcing (powered) milliamp output. The 18 VDC loop excitation supply can be used to power a milliamp current loop if required. The input can also be wired for an externally powered loop.

LoopTracker

API exclusive features include two LoopTracker LEDs (green for input, red for 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/or troubleshooting.

Output Test

An API exclusive feature includes the test button to provide a fixed output (independent of the input) when held depressed. The test output level is potentiometer adjustable from 0 to 100% of the output span. The output test button greatly aids in saving time during initial startup and/or troubleshooting.

Specifications Table:

DC Input Ranges
  • Voltage: 0-50 mVDC to ±10 VDC
  • Current: 0-1 mADC to 0-20 mADC including 4-20 mA mA input may be wired for sink or source

Consult factory for other ranges. System voltages must not exceed socket voltage rating
Input Impedance
  • Voltage: 1 MΩ minimum
  • Current: 50 Ω typical
Input Loop Power Supply 18 VDC nom., unregulated, 25 mADC, max. ripple, <1.5 Vp-p
Frequency Output Ranges
  • Low range: 0-1 Hz minimum, 0-15 Hz maximum, 1 Hz increments
  • High range: 0-20 kHz minimum, 0-300 kHz maximum, 20 kHz imcrements
Output Waveform and Type Square wave (normal acting, output frequency increases with increasing input)
Output Driver
  • MOSFET output, open drain, 24 VDC maximum
  • Isink 50 mA maximum
  • Von 0.6 V maximum at 50 mA Isin
Cutout Control
  • Disables output when input falls below preset level
  • Adjustable from 2% to 25% of range
  • Top accessible, multi-turn potentiometer
Output Calibration Multi-turn zero and span potentiometers (±15% of selected span typical)
Output Test Pressing top button sets output to test level (potentiometer adjustable 2-100% of span)
Linearity Better than ±0.4% of span
Response Time 70 milliseconds typical (consult factory for faster response times)
Ambient Temperature Range and Stability
  • “10°C to +60°C operating ambient
  • Better than ±0.02% of span per °C stability, calculated, not tested
Isolation
  • 2000 VRMS minimum
  • Full isolation: power to input, power to output, input to output
Installation Environment
  • IP 40, requires installation in panel or enclosure
  • Use with API 008 or API 008 FS socket
  • Socket mounts to 35 mm DIN rail or can be surface mounted UL 508C pollution degree 2 environments or better
Power 115 VAC ±10%, 50/60 Hz, 2.5 W max.