Overview The Black Box ICD107A is an RS485 repeater designed to extend and maintain reliable communication across RS422 and RS485 networks. It regenerates signals to ensure data integrity over distances up to 4000 feet and supports up to 32 additional nodes, making it ideal for industrial environments where long cable runs and multiple devices are common. The unit supports data rates up to 460.8 kbps and is compatible with Modbus ASCII and Modbus RTU protocols, facilitating seamless integration with PLCs, SCADA systems, and sensor networks. Key features Links RS422 and RS485 segments while providing electrical isolation to protect sensitive equipment from interference. Extends communication lines by regenerating signals, allowing connections up to 4000 feet long. Supports up to 32 additional devices on the bus, increasing network capacity without compromising performance. Operates reliably in extreme temperatures ranging from -40 to 185 degrees Fahrenheit, suitable for harsh industrial settings. Compatible with Modbus ASCII and Modbus RTU protocols for straightforward integration with common industrial communication standards. Mounts easily on a DIN rail, keeping control cabinets organized and enabling quick field replacement. User-selectable data rates up to 460.8 kbps allow flexible configuration to match network requirements. Key specs Supported protocols: Modbus ASCII, Modbus RTU Maximum data rate: 460.8 kbps Maximum cable extension: 4000 feet Additional nodes supported: 32 Operating temperature range: -40 to 185 °F (-40 to 85 °C) Mounting type: DIN rail Network types supported: RS422, RS485 (2-wire and 4-wire) Connectivity and compatibility This repeater works with both 2-wire and 4-wire RS485 and RS422 networks, making it versatile for various industrial communication setups. Its built-in support for Modbus ASCII and Modbus RTU protocols ensures compatibility with a wide range of PLCs, SCADA systems, and sensor networks without requiring additional converters or complex configuration. Performance and reliability Designed to maintain signal integrity over long distances, the ICD107A regenerates data signals to prevent degradation and reduce the impact of electrical noise common in factory and industrial environments. Its electrical isolation feature protects connected devices from interference and potential damage. The wide operating temperature range and robust DIN rail mounting make it dependable in challenging conditions such as outdoor enclosures, cold storage, or mechanical rooms with high heat. Ideal uses and environments This repeater is well suited for industrial automation, manufacturing lines, utilities plants, and building automation systems where long cable runs and multiple devices need reliable communication. It fits naturally into setups requiring extended RS422/485 networks, such as linking remote pumps, connecting rows of machines, or integrating controllers across large facilities. Its rugged design and flexible configuration options make it a strong choice for demanding environments.
