Rail-Mount TTL to RS422 Isolated Converter with Anti-Surge Protection
Complies with TTL/RS422 standards for full-duplex communication
Features anti-surge, over-voltage, and reverse-proof protection
Supports transmission distances up to 1.2km
Easily installed in rail-mount ABS case
Accommodates point-to-multipoint connections with up to 256 nodes
The Rail-Mount TTL to RS422 Isolated Converter w/ Anti-Surge Protection is a device that complies with TTL/RS422 standards, converting TTL signals into differential RS422 signals for full-duplex communication. Compatible with 3.3V to 5V TTL signal levels, it offers anti-reverse and over-voltage protection for the power supply interface. This converter features unibody power supply isolation, digital isolation, transient voltage suppression, resettable fuse, and protection diodes, all housed in an industrial rail-mount ABS case for easy installation and cost-effectiveness.
Product Type: Galvanic isolated TTL to RS422 converter
Power supply interface: 3.3 V - 5 V
Protection: Over-voltage and reverse-proof
Device Port: TTL/RS422 standard compatible
TTL Connector: Screw terminal
Transmission distance: About 10m
Transmission mode: Point-to-point
RS422 Connector: Screw terminal
Protection: Surge-suppress and 15KV ESD protection
Terminal resistor: 120R, enabled/disabled via jumper (inside the case)
Transmission Distance: About 1.2 km
Transmission Mode: Full duplex mode, point-to-multipoint (up to 256 nodes, it is recommended to use repeaters for 16 nodes or more)
Case: Rail-mount ABS case, suitable for 35mm DIN rail
Weight: 68 g
Estimate shipping
Refund Policy
If you are not satisfied with a product purchased from the Site, you may request a return within 30 days from the delivery date, unless the product is listed under the Return Exceptions below or is subject to specific return conditions noted on the product page.
Returns under this policy concern non-defective products. In the case of a confirmed manufacturing defect, remedies are handled under the Warranty terms, at RoboItchi's discretion. See the Warranty section.
Return Conditions
To qualify for a refund under the 30-day return policy, all of the following conditions must be met:
A valid Return Authorization (RA) number must be obtained prior to returning the product. Returns without an RA number will be refused.
The RA number is valid for 30 days. The returned item must be received within that period.
The RA number must be included with the return.
Products must be returned in unused, unmodified condition (e.g., no scratches, alterations, missing parts, or signs of installation/use) and in their original packaging, suitable for resale.
Shipping fees are non-refundable. Return shipping costs are the responsibility of the customer, except in cases of a product confirmed defective through RoboItchi's troubleshooting process or of a verified shipping error by RoboItchi.
Refunds are processed within 7 days after receipt and inspection of the returned item.
A ¥10,000 cleaning fee may apply to domestic robots returned in used or unclean condition.
A 20% restocking fee may apply to large-quantity returns of items ordered specifically for the customer from the manufacturer or not part of RoboItchi's standard inventory.
Return Exceptions
The following products are not eligible for return or refund under this policy:
Used, damaged, or modified products — Items that show signs of use, wear, or alteration, making them unsuitable for resale.
Consumables — Use and wear-and-tear components, altered or depleted through use (e.g., batteries, belts, brushes, gears, filament, tires, disposable bags, lubricants, greases, waxes, etc.). Not eligible for return once opened or used.
Perishables — Goods liable to deteriorate or expire rapidly. Not eligible for return.
Sealed goods (health or hygiene) — Items sealed for health-protection or hygiene reasons (e.g., masks, gloves, odor-absorbing products). Not eligible for return once unsealed.
Build-it-yourself products and items requiring customer assembly — Including robots & kits, robot parts, and other products requiring assembly or soldering. Not eligible for return once assembled, soldered, or installed.
Digital Goods, Software, and Apps — Final sale only, due to licensing restrictions.
Clearance Items — Products identified as clearance or final sale, including end-of-life or discontinued items.
Custom-made, personalized, or special-order items — Products manufactured, configured, adapted, or built to the customer's own specifications and requirements.
On-Demand Items — Standard catalogue products not stocked by RoboItchi and ordered specifically to fulfill a customer request.
To request a return, submit a support ticket from your account under My Support Tickets to obtain a Return Authorization (RA) number. Returns without an RA number will be refused.