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- Honeywell
- 900RTA-L001
- HC900 RTP Analog Input Controller Module
- USA
- 111.1 x 94 x 66 mm
- 0.25 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Honeywell 900RTA-L001 HC900 RTP (Remote Terminal Panel) Analog Input Module is an industrial signal conditioning and wiring interface module designed for the Honeywell ControlEdge HC900 Distributed Control System (DCS) platform.
It is used to simplify and standardize field wiring for analog input signals, including 4–20 mA transmitters, voltage inputs, RTDs, and other process sensors. The RTP acts as an intermediate terminal interface between field instruments and HC900 analog input modules, improving installation efficiency and maintenance safety.
This module is widely used in industrial automation systems requiring stable signal conditioning, reduced wiring complexity, and improved maintenance flexibility.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | 900RTA-L001 |
| Product Type | HC900 Analog Input Remote Terminal Panel (RTP) |
| System Platform | Honeywell ControlEdge HC900 |
| Function | Analog input signal termination & conditioning |
| Supported Signals | 4–20 mA, VDC, RTD, resistance inputs |
| Input Channels | Typically 8-channel support (system dependent) |
| Signal Conditioning | Includes shunt resistors (250 Ω selectable) |
| Transmitter Power | Integrated field transmitter power terminals |
| Channel Protection | Individual fused protection per channel |
| Isolation | Channel-to-channel and field isolation (system dependent) |
| Maintenance Feature | Power disconnect switch for field devices |
| Thermocouple Support | Not supported |
| Wiring Interface | DIN rail mounted terminal interface |
| Cable Connection | Pre-wired HC900 system cable (1 m / 2.5 m / 5 m options) |
| Mounting Type | 35 mm DIN rail mounted |
| Dimensions | 111.1 × 94 × 66 mm |
| Weight | 0.25 kg |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5% to 95% non-condensing |
Function and Working Principle
The 900RTA-L001 operates as a field wiring and signal conditioning interface between industrial transmitters and HC900 control modules.
Working principle:
- Field Signal Termination
Receives analog signals from industrial sensors such as pressure, flow, and temperature transmitters. - Signal Conditioning
Provides selectable shunt resistors (e.g., 250 Ω) for 4–20 mA signal conversion. - Power Distribution to Transmitters
Supplies regulated power to multiple field transmitters via integrated terminals. - Signal Protection
Each channel includes fuse protection to prevent damage from electrical faults. - Maintenance Isolation
Built-in switch allows disconnection of field power for safe module servicing. - Signal Transfer to HC900 Module
Conditioned signals are transmitted to the HC900 analog input module via system cabling.
Role in System Architecture
The 900RTA-L001 RTP serves as a front-end field interface layer in HC900 control systems.
It is responsible for:
- Simplifying field wiring for analog input signals
- Reducing installation time and wiring complexity
- Providing safe and organized transmitter power distribution
- Enabling quick maintenance and module replacement
- Improving signal reliability and system organization
In system architecture, it functions as the electrical and mechanical interface between field instruments and control system I/O modules.
Industrial Applications
The Honeywell 900RTA-L001 is widely used in:
- Oil and gas production systems
- Petrochemical and refinery plants
- Power generation facilities
- Water and wastewater treatment systems
- Chemical process industries
- Industrial automation systems
- Flow, pressure, and temperature monitoring systems
- Large-scale distributed control systems
It is especially suitable for applications requiring dense analog signal wiring and high maintenance efficiency.
Installation & Integration
Proper installation ensures signal integrity and safe operation.
- Mounted on standard 35 mm DIN rail
- Installed inside industrial control cabinets
- Connected to HC900 analog input modules via system cable
- Requires proper grounding and shielding
- Field wiring must follow sensor signal standards (4–20 mA / VDC / RTD)
- Must not be used with thermocouple inputs
- Maintenance isolation switch should be used during servicing
- Cable length must match system layout (1 m / 2.5 m / 5 m options)
Compatible Components
The 900RTA-L001 typically works with:
- Honeywell HC900 analog input modules
- ControlEdge HC900 CPU modules (C50 / C70 / C75 series)
- Field transmitters (pressure, flow, temperature, level)
- 4–20 mA signal devices
- RTD and resistance temperature sensors
- System interconnection cables (900RTC series)
- SCADA and HMI systems
- Industrial process control systems
Together, these components form a complete analog signal acquisition subsystem.
Recommended Alternative Models
| Model | Type | Feature | Application |
|---|---|---|---|
| 900RTR-H001 | Relay Output RTP | Output signal conditioning | Actuator control |
| 900RTS-0001 | Digital I/O RTP | Mixed signal interface | General automation |
| Direct HC900 AI Module | Alternative | No RTP required | Compact installations |
| External Terminal Blocks | Alternative | Basic wiring solution | Low-cost systems |
| HC900 RTP Series | Platform | Full I/O termination system | Large installations |
Advantages
- Reduces field wiring complexity significantly
- Improves installation speed and efficiency
- Integrated transmitter power distribution
- Built-in channel fuse protection
- Supports multiple analog signal types
- Enables safe maintenance via power disconnect switch
- High compatibility with HC900 analog modules
- Industrial-grade reliability and durability
FAQs
Q1: What is the main function of the 900RTA-L001 module?
It provides signal conditioning and wiring interface for analog input signals.
Q2: What signals does it support?
4–20 mA, VDC, RTD, and resistance inputs.
Q3: Can it be used with thermocouples?
No, thermocouples are not supported.
Q4: What is its main advantage?
It simplifies wiring and improves maintenance efficiency.
Q5: Where is it used?
In industrial process control systems such as oil & gas, power, and chemical plants.
Conclusion
The Honeywell 900RTA-L001 HC900 Analog Input RTP Module is a critical field interface component designed to simplify and standardize analog signal wiring in industrial automation systems. Its integrated power distribution, signal conditioning, and maintenance-friendly design make it essential for efficient and reliable HC900 system installations.