Allen-Bradley 1791DS-IB8XOB8 DeviceNet Safety CompactBlock I/O Module 24V DC
Allen-Bradley 1791DS-IB8XOB8 DeviceNet Safety CompactBlock I/O Module 24V DC
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Estimated package weight: 5.0 lbs
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Used in safety-critical automation environments, the Allen-Bradley 1791DS-IB8XOB8 is a DeviceNet Guard I/O CompactBlock Safety Module designed for machine safety applications requiring up to SIL3 per IEC 61508 and Safety Category 4 per EN 954-1. The catalog number 1791DS-IB8XOB8, Series A, Part No. 97309571, Rev. C01, carries date code 07/08.
This module provides 8 safety inputs at 24VDC with 6 mA per point (current sinking), 8 safety outputs at 24VDC with 0.5A max per point (current sourcing), and 4 test outputs at 24VDC with 0.7A max per point. DeviceNet power supply draw is 24VDC at 110mA. Response time is 18ms per the nameplate label.
Communications are handled over DeviceNet. The unit carries Class 2 designation and is UL and TUV Rheinland listed, with approvals for Class I, Division 2 Group A, B, C, D and Class I, Zone 2 Group IIC hazardous locations, Temperature Code T4A. The certification code is EN223 and the unit was manufactured in Japan.
The module is a CompactBlock form factor with integrated terminal blocks and individual LED status indicators for each I/O channel. The 1791DS-IB8XOB8 is discontinued by the manufacturer and is offered here as a used surplus unit. Item includes the module with installed field wiring as shown. No additional accessories, documentation, or packaging are included.
Stock # 0426-02085
Please Note: This unit is surplus inventory, sold as-is from MRO Exchange surplus stock. Allen-Bradley is a trademark of Rockwell Automation, Inc. MRO Exchange is an independent reseller and is not an authorized distributor of Rockwell Automation. Product may differ from units available through authorized distributors in date code, country of origin, packaging, accessories, or firmware revision. The warranty from the manufacturer does not apply.

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All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.
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