Allen-Bradley 1756-OB16DK ControlLogix Diagnostic DC Output Module
$123.00
$320.00
Description
Allen-Bradley 1756-OB16DK ControlLogix Diagnostic DC Output Module
The Allen-Bradley 1756-OB16DK, also cataloged as the 1756-OB16DK Diagnostic DC Output Module, operates as a dedicated hardware component for discrete DC signal execution and fault monitoring within ControlLogix chassis platforms. It provides 16 point sourcing outputs with diagnostic feedback for 24 VDC field devices.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-OB16DK |
| Brand | Allen-Bradley |
| Origin | USA |
| Module Type | Diagnostic DC Output Module |
| Product Line | ControlLogix |
| Output Configuration | 16 point diagnostic digital outputs |
| Output Type | 24 VDC sourcing output |
| Operating Voltage Range | 19.2-30 VDC |
| Maximum Output Current per Point | 2 A |
| Maximum Module Current | 8 A at 30 deg C; 4 A at 60 deg C |
| Isolation Voltage | 50 V continuous |
| Backplane Current at 5 V | 250 mA |
| Backplane Current at 24 V | 140 mA |
| Power Dissipation | 3.3 W maximum at 60 deg C |
| Terminal Block Compatibility | 1756-TBCH, 1756-TBS6H removable terminal blocks |
| Mounting Style | ControlLogix rack mount |
| Weight | 1.00 lbs |
| Operating Temp | 0 deg C to 60 deg C |
EtherNet/IP and ControlLogix I/O Architecture
The 1756-OB16DK integrates into the ControlLogix I/O architecture through the chassis backplane communication path. The module supports deterministic controller-to-I/O data exchange and provides diagnostic status data for output channel monitoring. Firmware compatibility with ControlLogix platforms allows configuration through Studio 5000 Logix Designer.
The diagnostic output structure supports detection of field wiring conditions and output-related faults. I/O density scaling within ControlLogix chassis configurations allows multiple output modules to be combined for expanded discrete control requirements.
Frequently Asked Questions (FAQ)
Q: What type of output signals does the 1756-OB16DK provide?
A: The module provides 16 point 24 VDC sourcing digital outputs with diagnostic monitoring functions.
Q: What backplane power requirements apply to the module?
A: The module requires 250 mA at 5 V backplane power and 140 mA at 24 V backplane power.
Q: Can the output module be installed in any ControlLogix chassis slot?
A: The module is installed as a rack-mounted ControlLogix I/O module. Slot configuration must follow the controller and chassis system design rules.
Field Installation Guidelines
Install the module in a compatible ControlLogix chassis with the correct keying and terminal block configuration. Verify that field wiring polarity, output voltage range, and load current requirements match the module specifications before energizing the circuit.
Route DC output wiring separately from high-voltage AC conductors and high-noise power cables where applicable. Use proper shielding and grounding practices for control cabinet wiring to reduce electrical interference. Confirm terminal block seating and backplane connection integrity during installation and maintenance procedures.
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.
Featured
Complementary products
Express Delivery
Fast shipping for your urgent needs.
Large Inventory
Extensive stock ensures quick availability.
Premium Quality
Genuine, high-grade PLC & DCS components.
24/7 Customer Support
Reliable service for clients worldwide.