Allen-Bradley 1794-IM16 FLEX I/O Digital AC Input Module
$123.00
$320.00
Description
Allen-Bradley 1794-IM16 FLEX I/O Digital AC Input Module
The Allen-Bradley 1794-IM16, also cataloged as the 1794-IM16 Digital AC Input Module, operates as a dedicated hardware component for AC field signal acquisition within the Allen-Bradley FLEX I/O system. It converts 220 V AC input signals from industrial devices into controller-readable digital states through 16 isolated input channels.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1794-IM16 |
| Brand | Allen-Bradley / Rockwell Automation |
| Module Type | Digital AC Input Module |
| Product Line | FLEX I/O |
| Number of Inputs | 16 inputs (2 groups of 8 channels) |
| Nominal Input Voltage | 220 V AC |
| Input Voltage Range | 159 V AC to 264 V AC |
| Input Frequency Range | 47 to 63 Hz |
| On-State Voltage Range | 159 V AC to 264 V AC |
| Off-State Voltage Range | 0 V AC to 40 V AC |
| On-State Current | 2.1 mA @ 159 V AC to 12.0 mA @ 264 V AC |
| Off-State Current | 2.6 mA maximum |
| FlexBus Current | 30 mA @ 5 V DC |
| Power Consumption | 4.7 W maximum @ 264 V AC |
| Thermal Dissipation | 16.0 BTU/hr maximum @ 264 V AC |
| Isolation Voltage | 250 V continuous, tested at 1250 V AC for 60 s |
| Status Indicators | 16 yellow input status LEDs |
| Compatible Terminal Bases | 1794-TB3, 1794-TB3S, 1794-TBN, 1794-TBNF |
| Operating Temp | 0 deg C to 55 deg C |
| Storage Temp | -40 deg C to 85 deg C |
EtherNet/IP and FLEX I/O Backplane Integration
The 1794-IM16 uses the FLEX I/O architecture for distributed input acquisition and communicates through the FLEXBus interface between the terminal base assembly and adapter/controller network. The module supports I/O density scaling through 16 digital AC input points while maintaining a compact distributed I/O configuration. The FlexBus current requirement is 30 mA at 5 V DC for module operation.
Frequently Asked Questions
Q: What type of field signals can the 1794-IM16 process?
A: The module processes 220 V AC digital field signals within the specified 159 V AC to 264 V AC input range and converts them into digital states for FLEX I/O controllers.
Q: Does the module support direct mounting without a terminal base?
A: No. The 1794-IM16 requires a compatible FLEX I/O terminal base such as 1794-TB3, 1794-TB3S, 1794-TBN, or 1794-TBNF for field wiring connection.
Q: What diagnostic information is available from the module?
A: Each input channel includes a yellow LED status indicator for displaying individual field input conditions.
Field Installation Guidelines
- Install the module on the specified FLEX I/O terminal base before connecting field wiring.
- Separate AC field signal wiring from low-voltage communication and control wiring to reduce electrical interference.
- Connect field device wiring according to the terminal base wiring configuration.
- Verify input voltage levels before energizing the module to prevent operation outside the specified input range.
- Use appropriate grounding and shielding practices for the surrounding control panel installation.
- Confirm FlexBus communication integrity after module installation and controller configuration.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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