1791DS-IB12 12-Channel Input Module Allen-Bradley

Allen-Bradley 1791DS-IB12 Guard I/O Safety Input Module

Key Technical Specifications

• Brand: Allen-Bradley
• Model Number: 1791DS-IB12
• Category: Safety I/O Module
• Product Line: Guard I/O 1791ES & 1791DS Series
• Number of Inputs: 12 single-channel safety inputs.
• Input Type: Current sinking safety inputs with test outputs.
• Input Voltage: On-state: 11V DC minimum. Off-state: 5V DC maximum.
• Input Current: On-state 6 mA typical; Off-state 1 mA maximum.
• I/O Power Supply: Requires 20.4 to 26.4V DC (24V DC nominal).
• Communications Power: 11 to 25V DC.
• Power Consumption: 110 mA at 24V DC for communications.
• Output Details: 4 current sourcing test outputs.
• Output Current: Rated 0.7 A with 1.2V max residual voltage.
• Enclosure: None (requires mounting in a suitable cabinet).
• Weight: 1.19 lbs (0.54 kg).

Core Features and Safety Design

• The 1791DS-IB12 module provides 12 discrete safety input channels for guarding devices.
• It includes 4 dedicated test outputs for verifying safety circuit integrity automatically.
• The module carries specific approvals for use in North American Hazardous Locations.
• Its design supports DeviceNet communication for networked safety systems.
• A built-in DIN Rail hook allows for quick and secure mounting on standard rails.
• The module has no integrated enclosure for maximum flexibility in panel design.
• You must install it inside a proper control cabinet for environmental protection.

Frequently Asked Questions (FAQ)

• Q: Is the 1791DS-IB12 a safety-rated module?
  • A: Yes, it is a dedicated safety input module part of the Guard I/O series.
• Q: What is the operating voltage range for the I/O power?
  • A: The I/O circuits require a voltage between 20.4 and 26.4 Volts DC.
• Q: How many safety devices can I connect to this module?
  • A: The 1791DS-IB12 provides 12 individual single-channel safety input points.
• Q: Does this module include test outputs?
  • A: Yes, it integrates 4 current sourcing outputs for safety circuit testing.
• Q: What certifications does this module have?
  • A: It holds the North American Hazardous Location approval rating among others.
• Q: How quickly is this item shipped?
  • A: We ship from available stock within 3-5 business days.
• Q: What is your return policy?
  • A: We accept returns for qualified, unused products within 30 days.

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