OVERVIEW

Official designation: Allen-Bradley 1753-IB16 (GuardPLC Series, Digital Input Module)

Role/Application: A safety digital input module providing 16 non-isolated 24V DC inputs with integrated pulse test sources for reliable safety system integration in industrial networks.

KEY SPECS SUMMARY

Power: 24V DC SELV/PELV compliant

Interfaces / Ports: Two RJ-45 Ethernet ports with switch

Indicators: Status, diagnostic, and I/O LEDs

Operating Temp: 0 to 60 degrees C

Platform / Compatibility: GuardPLC 1752/1753/1754/1755 systems

Limit: 16 Inputs, 4 Pulse Test Sources

Lifecycle: Current Product (Series A)

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum current draw of the 1753-IB16 input module at its operating voltage?

A: The current consumption of the input module is specified as 0.8 Amps maximum.

Wiring & Installation:

Q: What type of power supply must be used to comply with CE and UL restrictions for this module?

A: A Safety Extra Low Voltage (SELV) or Protected Extra Low Voltage (PELV) power supply is required.

Troubleshooting & Compatibility:

Q: How is the proper grounding of the module assured when using a DIN rail mounting method?

A: Proper grounding is ensured by using zinc-plated yellow-chromate steel DIN rail, secured every 200 millimeters.

Replacement & Upgrades:

Q: Is there a known minimum fuse rating recommended for external protection of the input module?

A: The module must be protected by an external 4 A slow-blow fuse on the 24V DC input power line.