Professional Interface Solution The Array Electronic 3312 USB to TTL Adapter represents a purpose-built solution for modern computer connectivity to Array's professional test instrument range. This adapter eliminates the compatibility challenges faced when connecting Array 364X programmable power supplies and 371X electronic loads to contemporary computers lacking RS-232 serial ports. Signal Conversion Technology The adapter employs robust signal conversion circuitry to translate USB protocol data into TTL-level serial communication. Unlike generic USB to serial converters, the 3312 is optimised specifically for Array instrument communication protocols, ensuring reliable data transmission and instrument response. TTL voltage levels: Logic 1 = 3.3V to 5V, Logic 0 = 0V to 0.8V Compatible Instruments Instrument Series Models Primary Application 364X Power Supplies 3644A, 3645A, 3646A Programmable DC power sources 371X Electronic Loads 3710A, 3711A DC electronic load testing Wiring Quick-Start Array 3312 connection diagram showing USB to instrument wiring Connection procedure: Connect USB end to computer USB port Connect instrument connector to Array device rear panel communication port Install Array software and drivers from provided CD Configure communication settings: Baud rate 9600, 8 data bits, 1 stop bit, no parity Set instrument address (0-254) for multi-instrument environments // Example communication test AT+ADDR=001 // Set instrument address to 1 AT+VOLT=12.5 // Set voltage to 12.5V AT+CURR=2.0 // Set current to 2.0A AT+OUT=ON // Enable output Communication Protocol The 3312 adapter supports Array's proprietary SCPI-like command structure with ASCII formatting. Communication parameters include: Baud rates: 4800, 9600, 19200, 38400 bps (selectable) Commands follow the format: COMMAND:PARAMETER with instrument responses providing status confirmation and measurement readbacks. Software Integration Array provides comprehensive software support including: Stand-alone instrument control application ActiveX controls for custom application development DLL libraries for C++, Visual Basic, and Delphi integration LabVIEW drivers for measurement automation Installation Requirements Requirement Specification Operating System Windows 7/8/10 (32/64-bit) USB Port USB 2.0 Type-A (backward compatible) Driver Installation Administrator privileges required Power Consumption Bus-powered from USB (no external supply) Technical Advantages The Array 3312 offers several benefits over generic USB-serial adapters: Optimised signal timing for Array instrument compatibility Robust connector construction for laboratory environments Tested and validated with Array instrument firmware Comprehensive software package included Professional technical support from Array Electronic Professional grade reliability ensures consistent operation in demanding test environments
