In the realm of industrial automation, efficient communication and precise control over smart devices are paramount. The 375 Hand Controller, a sophisticated handheld communication device supporting the HART protocol, has emerged as an indispensable tool in various industrial applications. Designed to interact seamlessly with HART-compatible intelligent instruments, this controller plays a pivotal role in ensuring stable operations, accurate measurements, and efficient maintenance across diverse industries. This article provides an in-depth English introduction to the 375 Hand Controller, covering its functional features, technical specifications, application scenarios, operational guidelines, maintenance tips, and market competitiveness.
Features
The 375 Hand Controller excels in configuring and commissioning HART-compatible intelligent instruments, such as pressure transmitters, temperature transmitters, flow transmitters, and valve positioners.
- Parameter Customization: Users can adjust a wide range of parameters. For example, in pressure transmitters, the controller allows setting span limits (e.g., changing the pressure range from 0-10 bar to 0-25 bar), adjusting damping time (e.g., from 0.3s to 1.5s to filter out signal fluctuations), and selecting measurement units (e.g., kPa, MPa, psi). Additionally, unique device tags (e.g., "TEMPV102" for a temperature valve in a specific pipeline) can be assigned for easy identification and management.
- Communication Parameter Adjustment: The controller enables configuration of communication settings, including baud rates (options typically include 1200, 2400, 4800 bps) and device addresses (ranging from 0 to 15 in multi-drop configurations). These settings ensure reliable data transmission and prevent address conflicts in complex industrial networks with multiple HART devices.
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1. Real-time Monitoring of Instrument Operations
Live Data Acquisition: The controller provides instant access to critical data, such as the output current (4-20 mA) and process variables of instruments. In a chemical plant, for instance, it can real-time monitor the temperature (e.g., displaying "185.2°F") from a temperature transmitter or the flow rate ("120 m³/h") from a flow meter, enabling operators to make timely adjustments to production processes.
Comprehensive Status Tracking: It offers detailed insights into the operational status of instruments, including working modes (e.g., normal measurement mode, diagnostic mode) and fault alerts. In case of malfunctions, the controller displays error codes and descriptions (e.g., "E01: Sensor Overrange"), facilitating quick troubleshooting and minimizing downtime.
2. Diagnostic and Maintenance Capabilities
Advanced Fault Diagnosis: The 375 Hand Controller performs thorough diagnostics on HART devices, identifying issues such as sensor failures, wiring defects, or signal interference. For example, when a pressure transmitter shows inconsistent readings, the controller can isolate problems like a clogged sensor diaphragm or a faulty circuit board, providing clear guidance for maintenance teams.
Calibration and Maintenance Functions: It supports on-site calibration for zero points and span values. Take a temperature transmitter as an example: users can recalibrate it against a standard heat source, adjusting the 4 mA output to correspond to 0°C and 20 mA to 100°C. The controller also enables firmware updates to enhance instrument performance and restore factory settings to resolve configuration errors.
3. Additional Features
Multi-Communication Modes: Beyond point-to-point communication, the controller supports multi-drop communication, allowing simultaneous interaction with up to 15 HART devices in a network. This feature is particularly useful in large-scale industrial facilities, where it streamlines data collection and reduces operational complexity.
Data Logging and Reporting: Some models include built-in data logging capabilities, storing historical measurements and diagnostic records. These logs can be exported via USB for analysis, helping optimize maintenance schedules and improve process efficiency.In chemical plants and refineries, the 375 Hand Controller is widely used to monitor and maintain critical instruments, such as pressure transmitters in reactor systems and flow meters in pipeline networks. Its ability to withstand corrosive environments and high temperatures ensures reliable performance in harsh conditions, where precise control over chemical processes is essential for safety and efficiency.
| Place of Origin |
Germany |
Warranty |
1 Year |
| Customized Support |
OEM, ODM |
Brand Name |
emerson |
| Model Number |
375 |
Material |
PTEE |
| Size |
35cm*15cm*10cm |
Customized Support |
OEM, ODM, OBM |
| Place of Origin |
Germany |
Model Number |
375 |
| Product Name |
375 field communicator |
Brand |
emerson |
| Function |
field communication |
Support Protocol |
Hart, fondation field bus |
| Voltage Supply |
24(V) |
Max Rate |
115kbs |
Carton Boxes
KeRui (Weifang) Automation Equipment Co., Ltd.Specializes in industrial automation instrument development, production and sales, technical services, and supporting equipment supply to specialized companies. The main products are flow meters, level meters, temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems, and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco, textile, dyeing, and other fields.
1.Q: How long is the delivery?
-- Mostly within 10days
2.Q:Can I get a sample?
-- Sure, contact our sales please
3.Q:What is your MOQ?
-- 1pcs
4.Q: How about warranty time?
-- 12month
5.Q: How can I visit your factory?
-- Fly to Qingdao air port, it's our pleasure to pick you up.
6.Q:How do you control your quality ?
-- We have EPR system .we control from parts, process, testing, packing ,retesting.
Every Sensor will be tested two times before reach you, after that sport test for the third time. Make sure about the quantity.
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