1771-IGD

Overview

• Model: 1771-IGD

• Type: TTL Input Module

• Series: Allen-Bradley PLC-5

• Inputs per Module: 16

• Module Location: Series A/B chassis (1771-A1B, A2B, A3B, A3B1, A4B) or 1771-AM1, AM2 I/O chassis

Electrical Specification

• Input Voltage Rating:

  • HIGH = TRUE: 2.0–5.25 VDC

  • LOW = TRUE: -0.2–0.8 VDC

• Customer Supply Voltage: 5.0 VDC ±0.25 V

• Ripple: 50 mV peak-to-peak max

• Customer Current Requirements:

  • Source per input: 7 mA max

  • Sink per input: 0.8 mA max

• Customer Supply Current per Module: 380 mA max

• Input Signal Delay: <1 ms

• Backplane Current: 130 mA max

• Isolation Voltage: 1500 VAC rms, 1 s

Power & Thermal Specification

• Power Dissipation: 0.4–2.7 W

• Thermal Dissipation: 1.4–9.2 BTU/hr

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