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OVERVIEW
Official designation: Allen-Bradley 1756-IRT8I (ControlLogix, Isolated Analog Input Module)
Role/Application: This 8-channel individually isolated module provides high-precision temperature sensing via RTDs or thermocouples for demanding industrial ControlLogix systems.
KEY SPECS SUMMARY
Power: 280mA at 5.1V DC
Interfaces / Ports: 36-pin RTB
Indicators: OK and Channel LEDs
Operating Temp: 0 to 60 degrees C
Platform / Compatibility: ControlLogix Chassis
Limit: 24-bit resolution
Lifecycle: Active
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What sensor types does the 1756-IRT8I support?
A: It supports many RTD types and all standard thermocouples.
Wiring & Installation:
Q: Is a specific terminal block required for thermocouple use?
A: Yes, use 1756-TBNH or 1756-TBSH with CJC sensors.
Troubleshooting & Compatibility:
Q: What does a red channel LED indicate on this module?
A: Red indicates a sensor open circuit or out-of-range error.
Replacement & Upgrades:
Q: Can this module replace the non-isolated 1756-IR6I?
A: Yes, but wiring changes for eight channels are required.
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| After-sales Service Contact or Customer Support Number | See this page for details |
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