1771-QB

Overview

• Model: 1771-QB

• Type: Linear Positioning Module

• Series: Allen-Bradley PLC-5

• Slots: 1

• Terminal Block: 40-terminal 1771-WN

• Conductors: Max 14 AWG stranded, insulation 3/64 in

Transducer Compatibility

• Supported Positioning Transducers:

  • MTS Temposonics Linear Displacement Transducer

  • Balluff BTL Linear Displacement Transducer

  • Norstat GYRG Linear Displacement Transducer

Electrical Specification

• Sampling Period: 2 ms

• Analog Output Resolution: 12-bit

• Analog Outputs:

  • ±10 VDC up to 10 mA

  • ±20 mA up to 600 Ω

  • ±50 mA up to 240 Ω

  • ±100 mA up to 240 Ω

• Discrete Outputs:

  • Single-ended sourcing outputs, 100 mA max drive (ON state)

  • 1.0 mA max leakage (OFF state)

  • Logic 0: No voltage applied (low)

  • Logic 1: User-supplied voltage applied (high)

• Discrete Inputs:

  • 8 mA/input @ 12 VDC

  • 16 mA/input @ 24 VDC

  • Logic 0: 0–4 VDC

  • Logic 1: 10–30 VDC

• Auxiliary Digital Inputs: Same as discrete inputs

• Outputs Supported: Auxiliary digital, digital source, servo valve, analog (±10 VDC, ±20 mA, ±50 mA, ±100 mA)

Timing Specification

• Module Update Period: 2 ms/axis

Mechanical & Installation

• Wiring Arm: 1771-WN

• Fuse: 3 A, 250 V, normal-blow

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