1769-IA16 Allen-Bradley 120V AC Input Module

Allen-Bradley 1769-IA16 CompactLogix 120V AC Input Module

Allen-Bradley 1769-IA16 CompactLogix 120V AC Input Module

Availability: 99 left in stock

Allen-Bradley 1769-IA16 Compact I/O AC Input Module The Allen-Bradley 1769-IA16, also cataloged as the 1769-IA16 Compact I/O AC Input Module,...

SKU: 1769-IA16

Manufacturer: Allen Bradley
Product No.: 1769-IA16
Product Type: Digital Input Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Allen-Bradley 1769-IA16 Compact I/O AC Input Module

The Allen-Bradley 1769-IA16, also cataloged as the 1769-IA16 Compact I/O AC Input Module, operates as a dedicated hardware component for 120V AC digital signal detection and status monitoring within CompactLogix and MicroLogix 1500 control system platforms.

Hardware Specifications

Parameter	Specification
Model	1769-IA16
Brand	Allen-Bradley / Rockwell Automation
Origin	USA
Weight	0.27 kg
Dimensions	118 x 35 x 87 mm
Operating Temp	0 to 60 deg C
Power Consumption	115 mA at 5.1 VDC (Backplane)
Input Channels	16 AC channels
Voltage Category	100/120 VAC
Operating Voltage Range	79 to 132 VAC
Input Current	10 mA at 120 VAC (Nominal)
Input Delay Time	8 ms to 10 ms (Typical)
Isolation Voltage	750 VDC (Field side to System side)
Certifications	UL, CE, cULus, Class I Div 2

Backplane Bus Communication and Network Architecture

The 1769-IA16 transfers discrete status data directly across the Compact I/O backplane bus, maintaining deterministic network synchronization with the system CPU. When deployed across distributed EtherNet/IP deterministic networks via 1769-AENTR adapters, the module delivers consistent I/O scan timing without compromising backplane bus communication velocity. The high I/O density scaling allows 16 point acquisition within a 35 mm footprint, while internal firmware flash compatibility ensures uniform integration across legacy MicroLogix 1500 and modern Logix control platforms.

Frequently Asked Questions

Q: Does the 1769-IA16 module accept DC input signals?

A: No. The internal detection circuitry functions exclusively within a 79 to 132 VAC operating window. Processing 24 VDC inputs requires alternative hardware such as the 1769-IB16 or 1769-IQ16 module.

Q: How does the module isolate field signals from the backplane architecture?

A: The hardware incorporates an optical isolation barrier rated at 750 VDC, which isolates field-side AC power surges from the internal 5.1 VDC backplane bus and controller processor.

Q: What is the backplane power supply current requirement for system engineering?

A: System designers must allocate 115 mA at 5.1 VDC from the local 1769 power supply to cover the internal logic bus draw for a single 1769-IA16 module.

Field Installation Guidelines

Enclosure Mounting and Thermal Spacing: Mechanics must install the module on a standard DIN rail or panel mount inside an IP54 industrial enclosure, maintaining a minimum 50 mm vertical clearance above and below the assembly for convective heat dissipation.
AC Signal Wiring and Separation: Field technicians must route 120 VAC field lines through dedicated wire ducts, keeping them physically separated from sensitive low-voltage DC analog cabling and communications networks to prevent inductive noise coupling.
Shielding and Grounding Standards: Installers must terminate enclosure functional earth (FE) ground leads to the grounding bus using low-impedance conductors, ensuring proper drain of high-frequency transients filtered by the input circuits.
Terminal Block Replacement: When removing or installing the Removable Terminal Block (RTB), technicians must disengage power to prevent electrical shock and torque terminal screws to specified limits to preserve gas-tight wire terminations.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.