Allen-Bradley 1756-IV32/A ControlLogix 32 Point DC Digital Input Module
$123.00
$320.00
Description
Allen-Bradley 1756-IV32/A ControlLogix 32 Point DC Digital Input Module
The Allen-Bradley 1756-IV32/A, also cataloged as the 1756-IV32 Digital Input Module, operates as a dedicated hardware component for 24 VDC field signal acquisition within ControlLogix platforms. The module provides 32 sourcing DC input channels with grouped isolation and backplane communication for controller-level signal processing.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-IV32/A |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.99 lbs |
| Module Type | Digital Input Module |
| Product Line | ControlLogix |
| Input Type | DC voltage inputs |
| Number of Inputs | 32 points |
| Input Configuration | Sourcing input module |
| Input Voltage Range | 10 to 30 VDC |
| Nominal Input Voltage | 24 VDC |
| Input Current | Approximately 3.5 mA per point |
| Isolation | 250 V channel-to-backplane isolation |
| Group Configuration | 16 points per group |
| Backplane Current | 120 mA at 5 VDC |
| Input Delay | Configurable input filtering |
| Status Indicators | Module OK and individual channel status LEDs |
| Certification | CE, UL, CSA, hazardous location approvals |
ControlLogix Digital Signal Integration
The 1756-IV32/A processes 32 discrete DC input signals from field devices through a high-density ControlLogix I/O interface. The sourcing input configuration allows connection of compatible 10 to 30 VDC field devices, with input filtering parameters configurable for signal stability.
The module transfers input states through the ControlLogix backplane bus communication structure. I/O density scaling allows 32 digital channels to be installed in a single chassis slot while maintaining individual channel status indication through front-panel LEDs.
EtherNet/IP and ControlLogix Platform Communication
The 1756-IV32/A operates as part of the ControlLogix distributed I/O architecture, using the controller backplane for deterministic data exchange between the module and processor. Configuration data, input status information, and diagnostic states are managed through the Studio 5000 Logix Designer environment.
The module supports firmware flash compatibility within the ControlLogix platform, allowing supported firmware revisions to be maintained during system configuration updates. Input filtering settings can be adjusted to match field device switching characteristics.
Frequently Asked Questions (FAQ)
Q: How many digital input channels are available on the 1756-IV32/A module?
A: The module provides 32 DC digital input points arranged as two groups of 16 points.
Q: What input voltage range is supported by the 1756-IV32/A?
A: The module accepts DC input signals from 10 to 30 VDC, with 24 VDC as the nominal operating voltage.
Q: What backplane power requirement applies to the module?
A: The module requires approximately 120 mA from the 5 VDC ControlLogix chassis backplane supply.
Field Installation Guidelines
Install the 1756-IV32/A module in a compatible ControlLogix chassis slot and verify the available backplane power capacity before operation. Use appropriate field wiring terminals and confirm sourcing input polarity during installation.
Route DC signal wiring separately from high-voltage power cables, motor conductors, and switching circuits to reduce electrical interference. Apply proper grounding and shielding practices according to the installation environment and system wiring standards.
Verify input group assignments, voltage levels, and input filtering configuration before commissioning. Confirm that connected field devices provide signal characteristics compatible with the module input specifications.
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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