PLC Based Automation Solutions and Communication System
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HRT-370
HRT-370
HART signal filter
Features
- 1 analog current output (HART signal filter) channel
- 1 by pass HART signal channel
- Support HART Burst mode
- Support point-to-point HART mode
- Allow two HART masters
- Support Loop Power function (module provides +30V)
- 4KV ESD Protection
- 250Ω load resistor
- Introduction
- Application
- Specification
- Download
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Introduction
HRT-370 is a HART signal filter specially designed to solve the issue that analog signal gets interfered while additional HART signal adding to communication process. When connecting HRT-370 to a HART instrument, it splits the input HART signal to two output channels, one keeps the original HART signal and another filter the HART signal out to output pure analog signal. Therefore, users can make both HART and analog current data collection and processing easier and more precise by applying HRT-370.
Application
Specification
| LED Indicators | |
|---|---|
| Status |
PWR: Module power status HART: HART connection status AO: AO connection status |
| Analog Output | |
|---|---|
| Zero Drift |
± 0.1% FSR @ 25 °C ± 0.5% FSR @ -30 / +80 °C |
| Span Drift |
± 0.1% FSR @ 25 °C ± 0.5% FSR @ -30 / +80 °C |
| Response Time | 40 ms @ 250 Ω |
| Voltage Output Capability | External +30 V @ 800 Ω (Sink) |
| Isolation | 2500 VDC |
| HART | |
|---|---|
| Device | 2-wired or 4-wired HART devices (Point-to-Point) |
| Isolation | 2500 VDC |
| Input Impedance | 250 Ω ± 5% (2W) |
| Loop Power | Yes (module provides +30 V output) |
| Auxiliary Supply | 24 V @ 20 mA |
| Power | |
|---|---|
| Reverse Polarity Protection | Power reverse polarity protection, over-voltage brown-out protection |
| Input Range | Unregulated +10 ~ +30 VDC |
| Consumption | Maximum (20 mA): 0.05 mA @ 30 VDC, 1.5 W |
| Mechanical | |
|---|---|
| Dimensions (mm) | 25 × 116 × 120 |
| Installation | DIN rail |
| Environment | |
|---|---|
| Operating Temperature | -25 ~ +75 °C |
| Storage Temperature | -30 ~ +80 °C |
| Humidity | 5% ~ 95% RH, non-condensing |
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