AT-GPIB/TNT

National Instruments ISA Bus GPIB Interface Card

1. General Description

2. Model Version

• Standard AT-GPIB/TNT: Configured via DIP switches and jumpers

• AT-GPIB/TNT PnP: Plug-and-play version without manual jumpers

3. Key Specifications

Bus & Connection

• Bus Interface: 16-bit ISA bus, compatible with 8-bit ISA slots

• Standard: Fully compliant with IEEE 488.1 / IEEE 488.2

• Protocol Support: HS488 high-speed transmission

• Connector: Standard 24-pin GPIB port

• Maximum Devices: Up to 14 instruments on one GPIB bus

Transfer Speed

• IEEE 488.1 three-handshake mode: 1.5 MB/s

• HS488 high-speed mode: 2.2 MB/s

• Max throughput with EISA slot: Up to 3.4 MB/s

Electrical Characteristics

• Power Supply: +5 VDC

• Typical Current: 120 mA, maximum 200 mA

• Signal Level: TTL / CMOS compatible

Environmental & Physical

• Operating Temperature: 0 °C ~ 40 °C

• Storage Temperature: -20 °C ~ 70 °C

• Humidity: 10% ~ 90% non-condensing

• Form Factor: Standard ISA full-size card

4. Software & Driver

• Driver Support: NI-488.2

• Compatible System: DOS, Windows 3.x, 95, 98, NT, 2000, XP

• Development Environment: LabVIEW, LabWindows/CVI, Measurement Studio

5. Main Applications

• Control of GPIB instruments: oscilloscopes, signal generators, power supplies, multimeters, spectrum analyzers

• Automated test equipment (ATE) and production line testing

• Laboratory data acquisition and scientific research measurement

• Maintenance and operation of legacy ISA industrial control systems

6. Features

• Integrated TNT4882C single-chip GPIB controller

• Supports high-speed HS488 transmission

• Stable compatibility with traditional GPIB instruments

• Reliable performance for long-term industrial use

• Legacy ISA interface for old industrial PC platforms