This RS-232 RS-485 interface converter is perfect for industrial automation systems, manufacturing facilities, and control applications that require reliable bi-directional converter functionality between serial communication protocols. The ATEN IC485S delivers:
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Industry controls compatibility for seamless integration with legacy and modern systems
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RS-485 multi-drop networking capabilities supporting up to 32 devices
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Bi-directional data transmission enabling full-duplex communication protocols
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Serial communication adapter functionality for extending transmission distances
Key Features
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RS-232 to RS-485 conversion with automatic data direction control
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Industrial automation grade construction for harsh environments
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Multi-drop networking support for up to 32 RS-485 devices
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Extended transmission range up to 4,000 feet (1,200 meters)
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Optical isolation protecting connected equipment from ground loops
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Auto data direction eliminating need for external control signals
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LED status indicators for power, transmit, and receive monitoring
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DIN rail mounting for industrial panel installation
Technical Specifications
| Manufacturer |
ATEN Technologies |
| Model Number |
IC485S |
| Type |
RS-232/RS-485 Interface Converter |
| Conversion Type |
Bi-directional RS-232 ↔ RS-485 |
| Data Rates |
300 bps to 115.2 Kbps |
| Transmission Distance |
Up to 4,000 feet (1,200m) for RS-485 |
| Network Topology |
Up to 32 devices on RS-485 bus |
| Isolation |
1,500V optical isolation |
| Power Requirements |
9-30VDC, 150mA |
| Operating Temperature |
-10°C to +60°C |
| Humidity |
0-95% RH non-condensing |
| Connectors |
DB-9 (RS-232), 3-pin terminal block (RS-485) |
| Dimensions |
4.3" x 2.8" x 1.2" (109 x 71 x 31mm) |
Frequently Asked Questions
Q: What are the advantages of RS-485 over RS-232 for industrial applications?
A: RS-485 offers significant advantages including longer transmission distances (up to 4,000 feet vs 50 feet), multi-drop capability supporting up to 32 devices on one network, and superior noise immunity. This interface converter allows you to leverage these benefits while maintaining compatibility with existing RS-232 equipment.
Q: How does the bi-directional converter handle data flow control?
A: The IC485S features automatic data direction control, eliminating the need for external RTS/CTS signals. The bi-directional converter automatically switches between transmit and receive modes based on data flow, ensuring seamless communication in industry controls applications without manual intervention.
Q: Can this RS-232 RS-485 converter be used in harsh industrial environments?
A: Yes, the IC485S is designed for industrial-grade performance with operating temperatures from -10°C to +60°C, high humidity tolerance, and 1,500V optical isolation. The rugged construction makes it ideal for manufacturing, process control, and other demanding industrial automation environments.
Q: What types of industrial control systems benefit from this interface converter?
A: This converter is essential for industry controls including PLCs, SCADA systems, building automation, security systems, and manufacturing equipment that need to communicate over extended distances or in multi-device networks. It's particularly valuable for retrofitting older RS-232 equipment into modern RS-485 networks.
ATEN IC485S RS-232/RS-485 interface converter for industrial automation. Bi-directional serial communication with optical isolation and multi-drop networking support.
