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1771-QB

The Allen-Bradley 1771-QB is a linear positioning module designed for use with the 1771 series of Programmable Logic Controllers (PLCs).

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The main parameters of Allen - Bradley 1771 - QB are as follows:
Module Type: Linear positioning module.
Location: 1771 universal I/O chassis.
Sampling Period: 2 ms.
Analog Output Resolution: 12 - bit.
Analog Outputs: ±10 V DC up to 10 mA; ±20 mA up to 600 ohms; ±50 mA up to 240 ohms; ±100 mA up to 240 ohms.
Discrete Inputs: 8 mA/input (at 12 V DC), 16 mA/input (at 24 V DC), logic 0: 0 - 4 V DC, logic 1: 10 - 30 V DC.
Discrete Outputs: Single - ended, sourcing outputs 100 mA, maximum source drive (on state) 1.0 mA, maximum source leakage (off state). Logic 0: no voltage applied to output (low); logic 1: user - supplied voltage applied to output (high).
Backplane Current: 1.6 A (max), 1.1 A (typical) at 5 V DC.
Fuse: 3 amperes, 250 volts, normal - blow.
Dimensions: 4.5 x 12.4 x 6.3 in (115 x 317 x 160 mm).
Positioning Transducer: MTS Temposonics linear displacement transducer; Balluff BTL linear displacement transducer; Norstat Gyrg linear displacement transducer.