Waveshare TTL to RS422 Module Electrical Isolated Converter
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This Waveshare TTL to RS422 module provides reliable electrical isolation and signal conversion for industrial communication. It converts TTL signals to differential RS422 signals with full-duplex support, featuring onboard power and digital isolation, surge protection, and a rugged ABS housing for DIN rail mounting. Ideal for extending transmission distances up to 1200m in noisy environments.
add_circle The Upside
- check Enhanced reliability with electrical isolation and surge protection
- check Supports long-distance RS422 transmission up to 1200m
- check Easy installation with terminal blocks and DIN rail mount
remove_circle The Downside
- close Requires external 3.3V-5V power supply
- close Jumper for termination resistor requires disassembly
- close Limited to 256 nodes without repeaters
Specifications & features
Key features
- check_circle Converts TTL to RS422 with full-duplex communication
- check_circle Onboard power and digital isolation for stable operation
- check_circle TVS surge protection and 15KV ESD protection
- check_circle Switchable 120Ω termination resistors via jumper
- check_circle Industrial ABS housing for 35mm DIN rail
Specifications
Power Supply
3.3V~5V
Dimensions
106 x 58.6 x 36mm
Housing
ABS, rail type for 35mm DIN rail
RS422 Interface
Terminal block
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