Overview
The Honeywell 30756693-001 RS-422/485 communication board is a specialized PC board interface designed for PLC and industrial machine control applications. This communication board provides RS-422/485 serial connectivity for HVAC, refrigeration, and other industrial control systems requiring multi-device networking over standard serial communication protocols.
Key Features
- RS-422/485 dual-protocol support for industrial serial communication
- Designed for PLC and machine control integration in distributed systems
- Supports multi-drop and point-to-point communication architectures
- Industrial-grade reliability for HVAC and refrigeration control applications
- Compatible with Honeywell control system platforms and legacy industrial networks
Technical Specifications
- Part Number: 30756693-001
- Communication Standard: RS-422 / RS-485
- Product Type: PC Board / Interface Card
- Application: PLC & Machine Control
- Weight: 0.02 lbs
- Status: Discontinued by Manufacturer
- Industry Use: HVAC, Refrigeration, Industrial Automation
Typical Applications
The Honeywell RS-422/485 communication board is used in:
- Commercial and industrial HVAC system control networks
- Refrigeration unit monitoring and management systems
- Multi-zone climate control installations
- Building management system (BMS) serial communication links
- Legacy industrial control system upgrades and replacements
- PLC-to-device gateway applications requiring serial interface cards
Compatibility & Replacements
Compatible With
- Honeywell PLC and DCS (Distributed Control System) platforms
- Honeywell HVAC and refrigeration control units
- RS-422/485 multi-drop serial networks
- Industrial automation systems using serial communication protocols
- Modbus RTU and similar serial-based industrial protocols
Replaces / Drop-In Replacement For
- Original Honeywell 30756693-001 units in operational systems
- Legacy Honeywell communication interface boards (model F-06-3499-0365 variant)
- Honeywell RS-422/485 PC board assemblies in HVAC control cabinets
Works With
- RS-422 and RS-485 serial communication networks
- Multi-drop and point-to-point wiring configurations
- Honeywell Building Management Systems (BMS)
- Industrial protocols: Modbus RTU, Honeywell proprietary serial formats
- Standard DIN rail and panel-mount control system architectures
