Allen-Bradley 1791-32B0 32-Channel DC Input Module

Allen-Bradley 1791-32B0 32-Channel DC Input Module

Key Technical Specifications

• Brand: Allen‑Bradley
• Model: 1791-32B0
• Nominal Voltage: 24V DC
• Operating Voltage Range: 10 to 30V DC
• Number of Inputs: 32 channels, organized in 4 groups of 8
• On‑State Current: 11 mA maximum at 30V DC
• Off‑State Current: 1.5 mA minimum
• Off‑State Voltage: 5V DC maximum
• Input Impedance: 3.4 kΩ maximum
• External Power Supply: 19.2‑30V DC, 300 mA
• Power Dissipation: 16.3 Watts maximum
• Isolation Rating: 500V AC (power to I/O, group‑to‑group, and group‑to‑logic)
• Dimensions: 6.95 x 4.35 x 3.85 inches
• Weight: 1.81 lbs (0.82 kg)

Design & Compatibility

• The 1791-32B0 module features a DIN‑rail mounting design for easy installation.
• Removable terminal strips on both sides simplify wiring connections for power and signals.
• This 1791 Block I/O module works with PLC‑2, PLC‑3, PLC‑5/250, PLC‑5, and SLC 5/02 controllers.
• It pairs well with 1771 series output modules if their leakage current stays below the block module's minimum off‑state current.
• The module also connects seamlessly to 100‑A45 contactors and Type F, P, and PH relays.

Frequently Asked Questions (FAQ)

• Q: Do you have this module in stock?
  A: Yes, we maintain stock of the 1791-32B0 for fast delivery.
• Q: What is the operating voltage range for the inputs?
  A: The inputs work reliably from 10 to 30 volts DC.
• Q: How are the 32 inputs organized?
  A: They are arranged in four isolated groups, with eight inputs in each group.
• Q: What controllers is this module compatible with?
  A: It is compatible with PLC‑2, PLC‑3, PLC‑5/250, PLC‑5, and SLC 5/02 systems.
• Q: What is your shipping and return policy?
  A: We ship within 5 days via DHL, FedEx, or UPS and offer a 30‑day return policy.

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