Allen-Bradley 1794-IB32 FLEX I/O Digital Input Module
$123.00
$320.00
Description
Allen-Bradley 1794-IB32 FLEX I/O Digital Input Module
The Allen-Bradley 1794-IB32, also cataloged as the 1794-IB32 FLEX I/O Digital Input Module, operates as a dedicated hardware component for 32-point current sinking input signal acquisition within the Allen-Bradley FLEX I/O 1794 system.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1794-IB32 |
| Brand | Allen-Bradley |
| Origin | USA |
| Product Type | FLEX I/O Digital Input Module |
| Product Line | FLEX I/O 1794 |
| Number of Inputs | 32 current sinking inputs |
| Input Voltage Range | 19.2 VDC to 31.2 VDC |
| Nominal Input Voltage | 24 VDC |
| Minimum On-State Current | 2 mA |
| Nominal On-State Current | 4.1 mA at 24 VDC |
| Maximum On-State Current | 6 mA |
| Maximum Off-State Voltage | 5 VDC |
| Maximum Off-State Current | 1.5 mA |
| Input Impedance | 22.2 kOhms |
| Isolation Voltage | 50 V continuous, basic insulation, tested at 2121 VDC for 2 s between field side and system |
| Channel Isolation | No isolation between individual channels |
| FlexBus Current Consumption | 25 mA at 5 VDC |
| Maximum Power Dissipation | 6.0 W at 31.2 VDC |
| Maximum Thermal Dissipation | 20.47 BTU/hr at 31.2 VDC |
| Recommended Terminal Base Units | 1794-TB32, 1794-TB32S, 1794-TB62DS, 1794-TB62EXD4X15 |
| Field Side Indicators | 32 yellow status indicators |
| External DC Supply Voltage | 24 VDC nominal |
| Dimensions | 6.9 cm x 9.4 cm x 9.4 cm |
| Weight | 0.3 kg |
EtherNet/IP and FLEX I/O Backplane Integration
The 1794-IB32 is designed for integration with the FLEX I/O 1794 platform through the FlexBus communication interface. The module transfers digital field input states through the remote I/O architecture while maintaining a FlexBus current requirement of 25 mA at 5 VDC. The module supports distributed I/O configurations where deterministic data exchange between controllers and field devices is required.
The module supports I/O density scaling through its 32-channel input configuration, allowing compact installation of multiple discrete input points within a FLEX I/O assembly. Firmware compatibility and adapter configuration must match the installed FLEX I/O network architecture.
Frequently Asked Questions
Q: Does the 1794-IB32 provide isolation between individual input channels?
A: No. The module provides isolation between the field side and system side, but individual input channels do not have channel-to-channel isolation.
Q: What terminal bases are compatible with the 1794-IB32 module?
A: The supported terminal base units include 1794-TB32, 1794-TB32S, 1794-TB62DS, and 1794-TB62EXD4X15.
Q: What is the FlexBus current requirement of the module?
A: The module requires 25 mA at 5 VDC from the FlexBus interface.
Field Installation Guidelines
Install the 1794-IB32 on the specified FLEX I/O terminal base unit and verify correct mechanical engagement before applying field power.
Connect field wiring according to the terminal base wiring arrangement. Maintain separation between digital input signal conductors and high-current switching or motor power cables to reduce electrical interference.
Use appropriate grounding practices for the control cabinet, including correct shield termination methods where shielded field cables are installed. Confirm that the external 24 VDC supply polarity and voltage level match the module requirements before energizing the circuit.
Verify that all field devices connected to the current sinking inputs operate within the specified input voltage and current limits. Check status indicators after installation to confirm correct field signal detection.
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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