The GE IS220PSCAH1B is a Serial Communications I/O Pack part of the Mark VIe Series, facilitating data exchange between 1-2 Ethernet I/O networks and serial terminal boards. Manufactured in the U.S., it integrates a shared Mark VIe processor board and a dedicated serial communications board, serving as a critical interface in industrial control systems like turbine management.

• Serial Connectivity: 6 configurable serial channels supporting RS-232, RS-422, or RS-485 half-duplex standards (RS-232: 50 ft/19.2 Kbps; RS-422/485: 1000 ft/375 Kbps with 8 drops)
• Ethernet & Modbus: Dual 10/100 Ethernet ports with redundancy; one port supports Ethernet Modbus on simplex networks
• Reliability: Soft-start power management, auto-reconfiguration via ToolboxST, and controller auto-downloads of firmware/parameters
• Design: Compact (8.26×4.19×12.1 cm) with surface-mount technology, operating at -30 to 65°C
• Diagnostics: LED status indicators and infrared port for local diagnostics