Product details
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Service & Policy

PRODUCT DETAILS

ALLEN-BRADLEY · INDUSTRIAL AUTOMATION

1791 BLOCK I/O

Allen-Bradley 1791-16B0

Block I/O 16-Point DC Input Module

SYSTEM POSITION

Distributed 24VDC Signal Acquisition

Collects sixteen field-device states at a remote machine location and returns them to the controller.

Product snapshot

Self-contained remote input hardware for established Allen-Bradley control installations. Confirm the module series, network addressing, field-supply arrangement and terminal assignments before commissioning.

CONDITION

New Original

WARRANTY

One year

DIRECT CALL

+86 17359287459

sales9@apterpower.com

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SAFETY & APPLICATIONS

INSTALLATION PLANNING

Safety & Compliance

Application Scenarios

ELECTRICAL ISOLATION

Maintain the specified separation between field groups, logic and the remote-I/O network.

DISTRIBUTED INPUTS

Collect limit-switch, selector-switch and proximity-sensor states near the machine.

WIRING & GROUNDING

Use conductor category 2 practices, the equipment grounding stud and documented shield routing.

LEGACY MACHINE SERVICE

Restore a compatible PLC-2, PLC-3 or PLC-5 remote-I/O installation.

ENVIRONMENTAL CONTROL

Provide enclosure ventilation and keep the surrounding air within the published operating range.

PANEL MODERNIZATION

Retain existing field wiring while renewing a failed Block I/O input node.

Technical data

INPUT CAPACITY

16 points, 2 groups of 8

ON-STATE RANGE

10VDC to 30VDC

ON-STATE CURRENT

2.5mA to 11mA

INPUT IMPEDANCE

3.4kΩ maximum

SIGNAL DELAY

1ms ON / 5ms OFF

ISOLATION RATING

500VAC

BRAND & APPLICATIONS

PRODUCT REFERENCES

Brand characteristics

Application fields

Distributed architecture

Allen-Bradley Block I/O combines the adapter, power supply and field interface in one assembly.

Packaging machinery

Remote collection of sensor and switch states around production equipment.

Clear diagnostics

Channel, communication and module-status indicators support fast cabinet checks.

Material handling

Distributed discrete monitoring on conveyors and transfer systems.

Industrial continuity

Documented electrical limits help preserve established remote-I/O installations.

Water treatment

Pump-station and utility-panel input acquisition over remote I/O.

Service traceability

Catalog and series identifiers support controlled replacement planning.

Legacy automation

Maintenance of PLC-2, PLC-3 and PLC-5 field networks.

Allen-Bradley

1756-L83E

1756-EN2T

1756-IB16

1756-OB16E

1756-IF8

1756-OF8

1769-L33ER

1769-IF4

1746-IB16

1746-OB16

1771-IBD

1771-OBD

1785-L40B

2711P-T10C4D8

1794-AENT

1794-IB16

1734-AENTR

1734-IB8

1336-BDB-SP29A

1394-SJT10-C

Bachmann

MX213

MX220

MC210

MC212

DI232

DO232

AI204

AI208

AO202

DIO248

NT255

FS212

PTAI216

AIO288

CNT204

RS204

EM213

MIO106

MPC270

SCT202

SERVICE & POLICY

QUOTATION SUPPORT

Quote

Disclaimer

IDENTIFY

Provide 1791-16B0, the installed network, module series, terminal assignment, hardware revision and required quantity. Include a clear nameplate photo for accurate verification.

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This website is not affiliated with, endorsed by, or authorized by any of the listed manufacturers or trademarks. Ewolomodule is not an authorized distributor, dealer, or representative of the products displayed on this website.

VERIFY

Confirm field voltage, input grouping, network addressing, enclosure condition and the status of adjacent hardware before replacement planning.

TRADEMARK OWNERSHIP

All product names, trademarks, brands, and logos used on this website are the property of their respective owners.

QUOTE & DELIVERY

State the delivery destination, required date and preferred transport method. Availability, condition, warranty, lead time, protective packing and shipping terms will be checked before quotation.

IDENTIFICATION PURPOSE

The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.

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Allen-Bradley 1791-16B0 Block I/O 16-Point DC Input Module

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