honeywell 05701-A-0405

Description

1. Product Overview

2. Product Parameters

2.1 Core Communication Specifications

• Supported Protocols: Modbus RTU, RS-485, RS-232, Honeywell proprietary Series 5701 bus
• Data Transfer Rates:
  • RS-232: Up to 115.2 kbps
  • RS-485/Modbus RTU: Up to 57.6 kbps
  • Series 5701 bus: 1 Mbps
• Communication Ports: 1× RS-232 port, 1× RS-485 port, 1× Series 5701 bus port
• Maximum Nodes: Up to 32 nodes on RS-485/Modbus RTU network
• Latency: ≤10ms for real-time data transmission (Series 5701 bus), ≤50ms for Modbus RTU
• Isolation: 2500V AC isolation between communication ports and backplane

2.2 Electrical & System Parameters

• Power Supply: 24V DC (supplied by Series 5701 controller rack), power consumption ≤10W
• Backplane Interface: Series 5701 proprietary I/O bus
• Diagnostic Features: Communication fault detection, link status indicators, error logging, LED status lights (power, bus activity, port status)
• Configuration: DIP switch settings (protocol selection, baud rate) + calibration via Series 5701 programming terminal
• Compatibility: Honeywell Series 5701 controllers, Modbus-compatible devices, RS-232/RS-485 operator terminals/data loggers

2.3 Environmental & Mechanical Parameters

• Operating Temperature: 0°C to +60°C (industrial-grade range)
• Storage Temperature: -20°C to +70°C
• Relative Humidity: 5% to 95% (non-condensing), IP20 protection (rack-mounted)
• Vibration Resistance: 5-500Hz, 1g (IEC 60068-2-6)
• Shock Resistance: 15g (11ms half-sine wave, IEC 60068-2-27)
• Mounting: Series 5701 controller rack-mounted (standard 19-inch rack), plug-in module
• Dimensions: 160mm (W) × 100mm (H) × 30mm (D), Series 5701 rack-compatible form factor

2.4 Certifications & Compliance

• Industry Certifications: CE, UL/cUL Class 1 Div 2, FCC Class A, RoHS
• Compatibility: Honeywell Series 5701 process control systems, Modbus RTU/RS-232/RS-485 devices from major manufacturers
• MTBF: ≥700,000 hours (per Telcordia SR-332 standards for legacy communication modules)

3. Advantages & Features

1. Multi-Protocol Support: HONEYWELL 05701-A-0405 supports Modbus RTU, RS-232, RS-485, and the Series 5701 proprietary bus, enabling seamless integration with a wide range of external devices and eliminating the need for multiple communication modules.
2. Legacy System Compatibility: Fully backward-compatible with Honeywell Series 5701 controllers, HONEYWELL 05701-A-0405 requires no system upgrades or custom programming, ensuring cost-effective connectivity for existing process control infrastructure.
3. Robust Isolation & Protection: 2500V AC isolation between communication ports and backplane protects HONEYWELL 05701-A-0405 from electrical interference and ground loops, ensuring stable data transmission in noisy industrial environments.
4. Built-In Diagnostics: Communication fault detection, error logging, and LED status indicators simplify troubleshooting, allowing maintenance teams to quickly identify and resolve connectivity issues with minimal downtime.
5. Rugged Industrial Design: Engineered to withstand temperature fluctuations, vibration, and humidity, HONEYWELL 05701-A-0405 is ideal for continuous operation in harsh industrial settings such as refineries, chemical plants, and manufacturing facilities.

4. Application Fields & Cases

4.1 Application Fields

• Chemical Manufacturing: Data transmission between Series 5701 controllers and SCADA systems, remote operator terminal communication, batch process data logging
• Water/Wastewater Treatment: Integration with flow/pressure data loggers, communication with remote monitoring stations, Modbus-based sensor network connectivity
• Food & Beverage Processing: Production data synchronization with ERP systems, operator terminal communication, quality control data logging
• Oil & Gas Midstream: Pipeline monitoring data transmission, remote valve control communication, storage tank level data logging

4.2 Typical Cases

1. Chemical Plant SCADA Integration: A regional chemical plant deployed HONEYWELL 05701-A-0405 modules in its Series 5701 system to transmit process data to a central SCADA system via Modbus RTU. The module’s multi-protocol support eliminated the need for additional communication hardware, reducing installation costs by 30% and improving data visibility across the plant.
2. Water Treatment Remote Monitoring: A municipal water treatment facility used HONEYWELL 05701-A-0405 to enable communication between Series 5701 controllers and remote monitoring stations via RS-485. The module’s rugged design withstood outdoor installation conditions, maintaining 99.9% uptime and ensuring continuous monitoring of critical treatment processes.
3. Food Processing Data Logging: A food packaging plant integrated HONEYWELL 05701-A-0405 into its Series 5701 system to synchronize production data with an ERP system via RS-232. The built-in diagnostics feature identified a communication fault early, preventing data loss and ensuring compliance with food safety record-keeping requirements.

5. Competitive Comparison

6. Selection Suggestions & Precautions

6.1 Selection Suggestions

1. Legacy System Requirements: Choose HONEYWELL 05701-A-0405 for Honeywell Series 5701 process control systems requiring multi-protocol communication; generic modules may lack full compatibility with the Series 5701 bus and diagnostic features.
2. Connectivity Needs: Opt for HONEYWELL 05701-A-0405 if integrating with multiple device types (Modbus RTU sensors, RS-232 terminals, RS-485 data loggers); single-protocol modules are suitable for homogeneous communication environments.
3. Reliability Criticality: Select HONEYWELL 05701-A-0405 for applications requiring robust isolation and fault detection (e.g., remote monitoring, SCADA integration); basic CIMs may fail in noisy industrial environments.

6.2 Precautions

1. Installation Guidelines:
   • Install HONEYWELL 05701-A-0405 in Series 5701 controller racks only; use shielded cables for all communication ports (maximum distance 1200m for RS-485, 15m for RS-232) and ground the cable shield at the module end to minimize noise.
   • For Modbus RTU networks, terminate the RS-485 bus with 120Ω resistors at the first and last nodes to prevent signal reflection.
2. Configuration Notes:
   • Set protocol and baud rate via DIP switches before powering on the module; match settings to connected devices (e.g., 9600 baud for Modbus RTU sensors) to avoid communication errors.
   • Document DIP switch configurations and protocol settings for future maintenance, as legacy Series 5701 systems often lack digital configuration records.
3. Troubleshooting:
   • For communication failures: Check cable connections, verify DIP switch settings, and use LED status indicators to isolate faulty ports (e.g., no bus activity = Series 5701 bus fault).
   • For data transmission errors: Inspect for electrical interference (e.g., proximity to high-voltage cables) and ensure proper grounding/isolation.
4. Maintenance:
   • Inspect module connectors and DIP switches annually for corrosion or damage; clean with compressed air to remove dust and debris (avoid contact with electrical components).
   • Stock spare HONEYWELL 05701-A-0405 modules—legacy communication components have limited production runs, and lead times may exceed 12 weeks.
   • Coordinate with Honeywell’s legacy system support team for firmware updates and compatibility verification with new external devices.

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