产品介绍
The Honeywell 621-0025 RTD Input Module is a high-precision temperature input module designed to interface with Resistance Temperature Detectors (RTDs) in industrial control systems. Developed for integration with Honeywell’s TDC 2000, TDC 3000, and PlantScape platforms, this module provides isolated, reliable temperature data acquisition in critical process environments.
With support for multiple RTD types (such as Pt100, Pt1000, and others), the 621-0025 enables accurate, linear temperature measurement across a wide range / applications. This module is essential for monitoring and controlling temperature-sensitive processes in sectors like chemical processing, oil refining, energy generation, pharmaceuticals, and food manufacturing.
Its isolated inputs enhance signal integrity by eliminating noise and electrical interference, contributing to safer and more efficient operations.
Technical Specifications
| Parameter | 描述 |
|---|---|
| 型号 Number | 621-0025 |
| Type | RTD Input Module |
| Input Type | RTD (Pt100, Pt1000, Cu10, Ni100, etc.) |
| Number / Channels | 8 independent RTD input channels |
| Input Configuration | 2-wire, 3-wire, or 4-wire |
| Resolution | 16-bit (typical) |
| Measurement Range | -200°C to +850°C (depending on RTD type) |
| Input Isolation | Channel-to-channel and channel-to-ground |
| Accuracy | ±0.1% / full scale |
| Input Impedance | >10 MΩ |
| Power Consumption | Approx. 4W |
| Diagnostics | Open sensor detection, fault reporting |
| Operating Temperature Range | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature Range | -40°C to 85°C (-40°F to 185°F) |
| Humidity | 5% to 95% RH, non-condensing |
| Mounting | DIN-rail or backplane slot mounting |
| Dimensions (W x H x D) | 50 x 130 x 160 mm |
| 重量 | 4.54 kg |
| Certifications | CE, UL, ISA, RoHS compliant |
Applications
The 621-0025 RTD Input Module is purpose-built for a wide range / temperature-sensitive industrial processes. Its robust design and precise measurement capabilities make it suitable for:
-
Chemical & Petrochemical Plants
Accurate process temperature monitoring to ensure reaction control and product quality. -
Oil & Gas Facilities
Temperature surveillance in pipelines, storage 件s, and refining operations. -
Power Generation Plants
Boiler, turbine, and coolant system temperature control. -
Pharmaceutical Industry
Strict temperature regulation during compound mixing and formulation. -
Food and Beverage Production
Monitoring and controlling temperature in pasteurization and fermentation processes. -
Water Treatment Plants
Maintaining appropriate process temperatures for filtration and purification.
Key Advantages
-
Multi-Type RTD 支持
Compatible with a wide range / RTDs, including Pt100, Pt1000, and more. -
Flexible Wiring Configurations
Accepts 2-wire, 3-wire, and 4-wire RTD connections to meet different installation needs. -
High Accuracy & Resolution
Offers precise temperature readings with 16-bit resolution and minimal drift. -
Electrical Isolation
Enhanced signal integrity with channel-to-channel and channel-to-ground isolation. -
Onboard Diagnostics
Integrated features for detecting sensor failures and wiring issues. -
Seamless Integration
Designed specifically for Honeywell’s TDC and PlantScape platforms, ensuring reliable system compatibility. -
Compact & Durable Design
Small footprint, industrial-grade build suitable for harsh operating environments.
常见问题 (FAQ)
-
What types / RTDs are compatible with the 621-0025 module?
It supports Pt100, Pt1000, Cu10, Ni100, and other standard industrial RTDs. -
How many RTD channels does it support?
The module provides 8 isolated RTD input channels. -
Can it handle 2-wire and 4-wire RTD configurations?
Yes, it supports 2-wire, 3-wire, and 4-wire configurations. -
Does each channel provide electrical isolation?
Yes, each channel is isolated from the others and from ground. -
What is the typical resolution / the input readings?
16-bit resolution is provided for high-precision temperature measurement. -
Is it hot-swappable?
No, for safety and system integrity, power down the system before replacement. -
Is calibration needed after installation?
Factory-calibrated, but site calibration may be performed for critical applications. -
What kind / diagnostics are available?
It includes open-circuit detection and fault alarms. -
What Honeywell systems is it compatible with?
Works with TDC 2000, TDC 3000, and PlantScape DCS platforms. -
How do I mount the module?
It can be DIN-rail mounted or slotted into the Honeywell backplane system.
Related 型号s (Same Series or Functional Range)
| 型号 | 描述 | Channels | Function |
|---|---|---|---|
| 621-0022 | Isolated Analog Input Module | 8 | Voltage/Current Input |
| 621-0023 | Isolated Analog Output Module | 8 | Voltage/Current Output |
| 621-0021 | Analog Input Module (non-isolated) | 8 | Voltage/Current Input |
| 621-0016 | Digital Input Module | 16 | Binary Input |
| 621-0017 | Digital Output Module | 16 | Binary Output |
| 621-9932 | Analog Multiplexer Module | 32 | Analog Signal Routing |
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公司信息
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