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OVERVIEW
Official designation: Allen-Bradley 20-750-S1 (PowerFlex 750, Safe Speed Monitor Option Module)
Role/Application: Internal option module for PowerFlex 755 series AC drives, providing advanced motor speed monitoring to enable certified functional safety limits including Safe Stop 1 (SS1) and Safe Limited Speed (SLS).
KEY SPECS SUMMARY
Power: Powered through the drive backplane
Interfaces / Ports: Drive option slot
Indicators: Equipped with LED indicators
Operating Temp: Minus 10 degrees C to 50 degrees C
Platform / Compatibility: PowerFlex 750-Series drives
Limit: SIL 3, Performance Level e (PLe)
Lifecycle: Active
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What safety integrity levels are achievable with the 20-750-S1 module?
A: The module is designed to help achieve safety integrity up to SIL 3 and PLe.
Wiring & Installation:
Q: What is the recommended wire type for the safety inputs on the 20-750-S1 module?
A: Safety inputs should use shielded multi-conductor cable, 0.750 millimeters squared (18AWG).
Troubleshooting & Compatibility:
Q: What other feedback module is required to use the safe speed monitoring features?
A: The Safe Speed Monitor must be used with a 20-750-DENC-1 or 20-750-UFB-1 feedback module.
Replacement & Upgrades:
Q: What is the typical power consumption of the 20-750-S1 module?
A: The power intake for the 20-750-S1 module is approximately 36 Watts at 24V DC.
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| Country of Manufacture or Origin | See this page for details |
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| After-sales Service Contact or Customer Support Number | See this page for details |
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