Allen-Bradley 1794-IC16 Flex I/O Digital Input Module
Product Overview
This Flex I/O module provides 16 nonisolated sinking inputs. It accepts 30-60V DC on-state signals. Off-state voltage max is 10V DC. Input current ranges from 2.0mA to 7.0mA. It supports screw or DIN rail mounting.
Oiltech Controls’s Insight
- We tested this module on 48V DC conveyor systems.
- It handles high-voltage inputs up to 60V DC reliably.
- Input filter time is configurable for noise rejection.
- Isolation voltage of 1900V DC ensures safety.
Key Technical Specifications
- Manufacturer: Allen-Bradley
- Part Number: 1794-IC16
- Product Line: Flex I/O 1794
- Type: Digital Input Module
- Inputs: 16 Nonisolated Sinking
- On-state Voltage: 30-60V DC
- On-state Current: 2.0mA min @ 30V, 7.0mA max @ 60V
- Off-state Voltage: 10V DC max
- Off-state Current: 1.5mA min
- Nominal Input Impedance: 11 kΩ
- Flexbus Current: 25mA @ 5V DC
- Power Dissipation: 6.4W max @ 60V DC
- Isolation Voltage: 1900V DC
- Dimensions: 46 x 94 x 53 mm
- Weight: 0.13 lbs (0.06 kg)
- UPC: 612598182862
Terminal Block Compatibility
- Works with 1794-TB3S and 1794-TB3SK terminal blocks.
- Input voltage varies 5-125V DC depending on terminal block.
- Use assigned numbers on terminal block for wiring.
Compatible Equipment
- Allen-Bradley Flex I/O backplanes and adapters
- ControlLogix and CompactLogix systems
- Conveyor and material handling controls
- Packaging machinery with DC sensors
- Industrial automation panels
Installation & Setup
- Mount on DIN rail or with screws.
- Connect Flexbus to backplane.
- Wire inputs to field sensors (30-60V DC).
- Configure input filter time via software.
- Use surge protector for power protection.
Debugging & Maintenance
- 16 logic-driven LEDs show input status.
- Check off-state voltage for false triggers.
- Inspect wiring for proper termination.
- Replace module if inputs fail to read.
Package & Warranty
- Includes: 1 module, quick-start guide.
- 12-month warranty on parts and labor.
- Excludes misuse or over-voltage damage.
Shipping & Delivery
- Shipped via FedEx, UPS, or DHL.
- 24-28 hours dispatch after order.
- Tracking provided within 24 hours.
Why Buy From Oiltech Controls?
- 15+ years in industrial automation spares.
- Global shipping with reliable carriers.
- Tested surplus and refurbished options.
- 12-month warranty on every product.
- Technical verification before shipment.
- Expert support for obsolete control systems.
Frequently Asked Questions (FAQ)
Q1: Can this module accept 24V DC inputs?
Yes, but on-state voltage must be at least 30V DC per spec.
Q2: What terminal block should I use?
Use 1794-TB3S for standard wiring or 1794-TB3SK for spring clamp.
Q3: Is the module isolated from the backplane?
Yes, it provides 1900V DC isolation voltage.
Q4: How do I configure input filter time?
Adjust via the configuration word in the I/O tree.
Q5: Can I mix this with other Flex I/O modules?
Yes, it fits any 1794 Flex I/O backplane.
Contact Information
Inquiries: info@oiltechcontrols.com
WhatsApp: +86 158 8020 0923
Copyright © 2026 Oiltech Controls Limited. https://www.oiltechcontrols.com/ All rights reserved.
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