Overview
The Honeywell 30756693-001 is a dedicated RS-422/485 interface board engineered for PLC systems and machine control applications. This communication interface module provides robust serial connectivity in demanding industrial environments, enabling point-to-multipoint and point-to-point communication across factory floors, control panels, and distributed automation networks.
Key Features
- Dual-protocol support: RS-422 and RS-485 serial communication
- Enables multi-drop networking for machine control and I/O expansion
- Extended cable run distances (up to 1,200 meters) with differential signaling
- Industrial-grade reliability for PLC and HMI integration
- Suitable for legacy and modern automation systems
Technical Specifications
While detailed manufacturer specifications were not publicly available at the time of documentation, the Honeywell 30756693-001 follows industry-standard RS-422/485 protocol definitions:
- Protocol Standard: TIA/EIA-422 and TIA/EIA-485
- Transmission Mode: Differential signaling with twisted-pair cabling
- Maximum Cable Length: 1,200 meters (3,900 feet) at reduced baud rates
- Topology: Point-to-point, multidrop bus configuration
- Typical Data Rates: Up to 10 Mbps (RS-422)
- Signal Voltage: −6 to +6V (per TIA standard)
- Manufacturer: Honeywell
- Part Number: 30756693-001 / 4-6-3998-5993
