Absolute Process Instruments API 4380 G _DC TO DC ISOLATED TRANSMITTER – FIELD CONFIGURABLE
Cecomp Electronics, API 4380 G, DC to DC Isolated Signal Conditioner, 16 Field Configurable Output
Features:
- One Minute Field Setup for Hundreds of I/O Ranges
- External Switches & Tables for Range Selection
- Full 2000 V Input/Output/Power Isolation
- Input and Output LoopTracker® LEDs
- Output Test Button
- Built-In Loop Power Supplies for Input and Output
Applications:
- Convert, Boost, Rescale Process Signals
- One Model Covers Multiple Applications
- Interface Process Signals with Panel Meters, PLCs, Recorders, Data Acquisition, DCS, and SCADA Systems
The API 4380 G accepts a DC voltage or current input and provides an optically isolated DC voltage or current output that is linearly related to the input. Typical applications include signal isolation, signal conversion, signal boosting or a combination of the three.
The optical isolation between input and output makes this module useful for ground loop elimination, common mode signal rejection, and noise pickup reduction. The module power supply is isolated, resulting in full 3-way (input, output, power) isolation.
The API 4380 G input and output can be field-configured via external rotary and slide switches. Common range settings are on the module label. Most common ranges are built-in, and can be selected from the table on the module, however virtually unlimited combinations are possible. Consult the factory for assistance with special ranges.
The built-in 18 VDC unregulated loop excitation power supply can be used to power passive input devices.
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.
Functional Test
An API exclusive feature includes the Functional Test Button to provide a fixed output (independent of the input) when held depressed. The test output level can be set via a potentiometer from 0 to 100% of the output span. The functional test button greatly aids in saving time during initial startup and/or troubleshooting.
Installation
The API 4380 G plug into an industry standard 8-Pin octal socket sold separately. Sockets API 008 and finger-safe API 008 FS allow either DIN rail or panel mounting. The plug-in design, 3-way isolation, and robust electronics allows the module to be quickly hot-swapped without removing the power or I/O signals.
Specifications Table:
| DC Input Ranges | Consult factory for special ranges. System voltages must not exceed socket voltage rating
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| Input Impedance |
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| Common Mode Rejection | 120 dB minimum |
| Input Loop Power Supply | 18 VDC nom., unregulated, 25 mADC, max. ripple, <1.5 Vp-p (May be selectively wired for sinking or sourcing mA input) |
| DC Output Ranges | Consult factory for special ranges. Internal jumper for output reversal
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| Output Calibration | Multi-turn zero and span potentiometers for output (±15% of span adjustment range typical) |
| Output Loop Power Supply | 20 VDC nominal, regulated, 25 mADC, max. ripple <10 mVRMS |
| Output Test | Sets output to test level when pressed. Adjustable 0-100% of span. Potentiometer factory set to approx. 50% of span. |
| Output Ripple and Noise | Less than 10 mVRMS |
| Linearity | Better than ±0.1% of span |
| Response Time | 100 milliseconds typical |
| Ambient Temperature Range and Stability |
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| Response Time | 300 milliseconds typical |
| Isolation |
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| Installation Environment |
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| Power | 115 VAC ±10%, 50/60 Hz, 2.5 W max |
