Allen-Bradley 1791DS-IB16 Guard I/O Safety Input Module
$123.00
$320.00
Description
Allen-Bradley 1791DS-IB16 Guard I/O Safety Input Module
The Allen-Bradley 1791DS-IB16, also cataloged as the 1791DS-IB16 Safety Input Module, operates as a dedicated hardware component for safety input acquisition within Guard I/O 1791ES and 1791DS DeviceNet platforms. The module provides 16 single-channel DC sinking inputs with electronic short circuit detection and protection functions.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1791DS-IB16 |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 0.95 lbs |
| Operating Temp | -4 to 140 deg F |
| Power Consumption | 85 mA @ 24 VDC |
| Product Line | Guard I/O 1791ES and 1791DS |
| Module Type | Safety Input Module |
| Communication Interface | DeviceNet |
| Input Channels | 16 single-channel inputs |
| Input Type | DC sinking |
| Output Channels | 0 |
| Test Outputs | 16 test outputs |
| Operating Voltage Range | 20.4-26.4 VDC |
| Enclosure Rating | IP20 |
| On-State Input Voltage | 11 VDC minimum |
| Off-State Input Voltage | 5 VDC maximum |
| Mounting Type | DIN rail mount |
EtherNet/IP and DeviceNet Safety Input Architecture
The 1791DS-IB16 integrates Guard I/O safety input processing through the DeviceNet communication architecture. The module monitors 16 input channels and provides electronic short circuit protection by detecting abnormal current conditions before module damage occurs. The DC sinking input design supports connection of safety devices with dedicated test output monitoring.
The Guard I/O hardware architecture supports I/O density scaling through compact block installation methods. System configuration requires verification of DeviceNet network addressing, safety controller compatibility, and firmware flash compatibility between connected safety components.
Frequently Asked Questions
Q: Does the 1791DS-IB16 provide output control channels?
A: No. The module is configured as a safety input device with 16 input channels and no safety output channels.
Q: What power supply range is required for module operation?
A: The module operates from a 24 VDC supply system within the specified operating voltage range of 20.4-26.4 VDC.
Q: What protection function is integrated into the input circuitry?
A: The module includes electronic short circuit protection and monitors input conditions to identify short circuit states before hardware damage occurs.
Field Installation Guidelines
Install the 1791DS-IB16 on a compatible DIN rail mounting structure with adequate mechanical support. Verify that the 24 VDC supply wiring polarity matches the module terminal requirements before energization.
Safety input field wiring should use appropriate separation from high-voltage power conductors and variable-frequency drive cables. Cable shielding, when required by the connected safety devices, should follow the grounding practice defined by the control system design.
Before commissioning, verify DeviceNet communication wiring, node configuration, input channel assignment, and test output connections. Confirm that safety devices connected to each input channel transition correctly between safe and active states during functional testing.
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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