1794-TB3G

Overview

The 1794-TB3G is a Rockwell Allen-Bradley FLEX I/O terminal base unit designed to provide reliable connectivity and signal interfacing for distributed I/O systems.

Module Identity

• Model: 1794-TB3G

• Product Type: FLEX I/O Terminal Base Unit

• Manufacturer: Rockwell Allen-Bradley

Technical Characteristics

• Output Resolution: 15 bit + sign

  • 0.656 µA/cnt

  • 0.320 mV/cnt

• Data Format: 2’s complement, 2’s complement percent, binary, offset binary

• Output Conversion Type: Digital to analog converter

• Output Conversion Rate: 2.5 / 5.0 ms

• Step Response (to 63% FS, output): <25 µs

• Current Load on Voltage Output (max): 3 mA

• Output Current, Resistive Load: 0…750 Ω

Accuracy & Calibration

• Accuracy:

  • Current input: 0.1% Full Scale @ 25 °C (77 °F)

  • Voltage input: 0.1% Full Scale @ 25 °C (77 °F)

• Accuracy Drift with Temperature:

  • Current input: 0.0025% Full Scale / °C

  • Voltage input: 0.0012% Full Scale / °C

• Calibration: Factory calibrated

Isolation & Protection

• Isolation Voltage:

  • 120 V (continuous) when used with 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, or 1794-TB3TS

  • 250 V (continuous) when used with 1794-TBN

  • Type tested at 1500 V AC for 60 s, and 2550 V DC for 1 s (channel to channel, I/O to system)

Physical Data

• Weight: 0.20 kg

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