Product Details
Overview
The Allen-Bradley 1794-IB16D is a high-performance FLEX I/O digital input module providing 16 current sinking DC inputs with integrated diagnostic indicators. Designed for modular control networks, this module delivers precise signal monitoring, rapid fault detection, and reliable system integration.
Technical Specifications
-
Manufacturer: Allen-Bradley
-
Model / Part Number: 1794-IB16D
-
Product Type: FLEX Digital DC Input Module with Diagnostics
-
Number of Inputs: 16, current sinking
-
Recommended Terminal Bases: 1794-TB32, 1794-TB32S, 1794-TB62DS, 1794-TB62EXD4X15
-
Nominal Input Impedance: 3.1 kΩ
-
Isolation Voltage: 50 V continuous, Basic insulation; type tested at 2121 V DC for 2 s between field side and system
-
Channel Isolation: No isolation between individual channels
-
FlexBus Current: 30 mA @ 5 V DC
-
Max Power Dissipation: 8.5 W @ 31.2 V DC
-
Max Thermal Dissipation: 29 BTU/hr @ 31.2 V DC
-
Sensor Power: Max 2.2 V voltage drop, 50 mA current
-
Field Indicators: 16 yellow ON/OFF LEDs, 16 red diagnostic LEDs, 1 red module fault LED
-
Dimensions (HxWxD): 4.57 × 9.4 × 5.33 cm
-
Shipping Weight: 1.5 kg
-
Operating Temperature: Standard FLEX I/O range (-20°C to 70°C typical)
Applications
Suitable for distributed digital input collection in modular control systems, process monitoring, and machine automation. The diagnostic LEDs provide real-time status and fault detection, reducing maintenance time and improving system reliability.
FAQ
Q: How many input channels does 1794-IB16D provide?
A: The module has 16 sinking DC input channels.
Q: Does it provide diagnostics for each channel?
A: Yes, it features 16 yellow status indicators, 16 red diagnostic indicators, and 1 module fault indicator.
Q: Which terminal bases are compatible with this module?
A: Compatible with 1794-TB32, 1794-TB32S, 1794-TB62DS, and 1794-TB62EXD4X15.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.
Essential Best Practices for PLC Wiring and Installation in Industrial Automation
Successful control system deployment begins with thoroughly reviewing manufacturer technical documentation. Controllers from major brands like Allen-Bradley, Siemens, and Schneider Electric feature unique terminal layouts. Engineers must verify voltage requirements before connecting power cables to prevent catastrophic equipment damage. Standard line connections require strict adherence to regional electrical codes and proper wire color coding. Furthermore, panel builders should always establish a robust low-impedance ground connection using at least 16-AWG copper conductor tied directly to the main plant grounding grid.
Demystifying Programmable Logic Controllers: Comprehensive Guide to PLC Classification and Selection in Industrial Automation
Modern industrial automation heavily relies on Programmable Logic Controllers (PLCs) to drive factory floor efficiency. Over my 15 years as an industrial automation expert working with DCS, TSI, and control systems, I have seen PLCs evolve into the central nervous system of modern manufacturing. Selecting the right controller requires a deep understanding of PLC types based on physical size, hardware architecture, and power supply configurations.