Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Allen Bradley 1756-OB16IS ControlLogix DC Isolated Output Module
- Product Details
- FAQs
- Related
- Contact Us
- Packing & Delivery
- Product Ratings
Product Introduction
The Allen-Bradley 1756-OB16IS is a ControlLogix DC isolated digital output module designed for applications that require electrical isolation, flexible sink/source operation, and reliable DC switching within industrial automation systems. As part of the ControlLogix I/O family, this module integrates directly into ControlLogix chassis-based architectures, supporting consistent control behavior and dependable system performance.
The 1756-OB16IS is typically used in environments where field-side electrical conditions differ from controller ground references. Its isolated output design helps protect control electronics from noise, transients, and ground potential differences, making it a practical choice for complex control panels and distributed industrial systems.
Product Specifications
| Parameter | Description |
|---|---|
| Product Type | ControlLogix DC Isolated Output Module |
| Output Type | Isolated DC Digital Output |
| Number of Outputs | 16 channels |
| Output Configuration | Current sinking / sourcing |
| Rated Output Voltage | 12 / 24 VDC |
| Signal Switching | Electronic DC switching |
| Isolation Design | Channel isolation for field protection |
| Chassis Compatibility | ControlLogix chassis |
| Control Platform | ControlLogix automation system |
| System Integration | Backplane-based communication |
| Industrial Rating | Designed for industrial control environments |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.181 kg |
Applications
• Used for isolated control of DC actuators, including solenoid valves, relays, and interface devices
• Suitable for automation systems with mixed grounding schemes requiring electrical separation
• Applied in process control and manufacturing systems exposed to electrical noise or transient conditions
• Commonly installed in material handling, packaging, and assembly lines
• Ideal for applications that require flexible sink/source wiring for different field devices
Advantages
• Isolated output architecture enhances protection of the controller and backplane electronics
• Sink/source capability provides flexible wiring options for a wide range of DC field devices
• 16-channel density supports compact system design and efficient chassis utilization
• Standard 12/24 VDC compatibility simplifies integration with common industrial power supplies
• Reliable DC switching performance ensures consistent control behavior
• Designed for stable operation in electrically demanding industrial environments
FAQ
-
What is the primary function of isolation in the 1756-OB16IS?
Isolation helps prevent field-side electrical disturbances from affecting the controller and backplane, improving system reliability. -
How does sink/source output support different wiring requirements?
It allows the module to operate with either sinking or sourcing field devices, increasing wiring flexibility. -
Can the module be used in systems with multiple ground references?
Yes, the isolated design makes it suitable for systems where ground potential differences may exist. -
Is the 1756-OB16IS appropriate for controlling inductive DC loads?
It can control inductive loads such as relays and solenoids when standard suppression practices are applied. -
How is output status communicated to the controller?
Output states are transmitted through the ControlLogix backplane for real-time monitoring and diagnostics. -
Does isolation affect switching performance?
Isolation does not significantly impact switching performance for typical industrial DC output applications. -
Can isolated and non-isolated output modules be used together?
Yes, both types of modules can coexist within the same ControlLogix chassis when properly configured. -
What considerations are important for wiring isolated outputs?
Maintaining separation of field wiring and following grounding best practices are essential for optimal performance. -
How does the module handle electrical noise in industrial installations?
The isolation barrier and internal circuitry help reduce the impact of noise and voltage transients. -
Is the module suitable for centralized ControlLogix architectures?
Yes, it is well suited for centralized systems where multiple DC outputs are managed from a single ControlLogix chassis.
Related Models
| Model | Description |
|---|---|
| 1756-OB16I | Isolated DC digital output module |
| 1756-OB16 | Standard DC digital output module |
| 1756-OB16E | Enhanced DC digital output module |
| 1756-OB32 | High-density DC digital output module |
| 1756-OA16 | 16-point AC digital output module |
| 1756-OW16I | Isolated relay output module |
Popular Models
| Model | Description |
|---|---|
| 1756-L81E | ControlLogix high-performance controller |
| 1756-L83E | Advanced ControlLogix controller |
| 1756-EN2TR | EtherNet/IP communication module |
| 1756-PA72 | ControlLogix power supply |
| 1756-IF16 | 16-channel analog input module |
| 1756-A10 | 10-slot ControlLogix chassis |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.
Click to rate this post!
[Total: 0 Average: 0]
