Allen-Bradley 1768-L43S/B Compact GuardLogix Safety Controller
$123.00
$320.00
Description
Allen-Bradley 1768-L43S/B Compact GuardLogix Safety Controller
The Allen-Bradley 1768-L43S/B, also cataloged as the 1768-L43S/B Safety Controller, operates as a dedicated hardware component for integrated standard and safety logic execution within Compact GuardLogix control systems. The controller manages safety tasks, standard control programs, and industrial communication functions through EtherNet/IP and ControlNet interfaces.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1768-L43S/B |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 1.00 lbs |
| Dimensions | 89.6 x 131.6 x 122.1 mm |
| Operating Temp | 0 - 60 deg C |
| Power Consumption | 33.6 W |
| Product Type | Safety Controller |
| Product Series | Compact GuardLogix L4x |
| Standard Memory | 2 MB |
| Safety Memory | 0.5 MB |
| Communication Interfaces | EtherNet/IP, ControlNet, RS-232 |
| RS-232 Communication Rate | 38.4 Kbps max |
| I/O Expansion | Supports 2 x 1768 modules and up to 16 x 1769 I/O modules |
| Mounting Style | DIN rail or panel mount |
| Isolation Voltage | 30 V continuous functional insulation |
| Backplane Current | 1.4 A at 24 V |
| Power Dissipation | 7.5 W |
| Shock Resistance | 30 g operating, 50 g non-operating |
| Vibration Resistance | 5 g at 10-500 Hz |
Fail-Safe Control Execution and Safety Architecture
The 1768-L43S/B controller integrates standard and safety control processing within the Compact GuardLogix architecture. The controller supports SIL 3 / PLe safety applications through dedicated safety memory and safety task execution.
The processor architecture supports deterministic industrial communication through EtherNet/IP and ControlNet networks. Firmware flash compatibility within the GuardLogix platform enables controller configuration management and application updates while maintaining safety project integrity.
The controller provides I/O density scaling through support for 1768 communication modules and 1769 local or remote I/O modules. The integrated safety execution model allows standard and safety logic programs to operate within the same controller hardware while maintaining separated memory areas.
Frequently Asked Questions (FAQ)
Q: What memory allocation is available in the 1768-L43S/B controller?
A: The controller provides 2 MB of standard user memory and 0.5 MB of dedicated safety memory.
Q: Which communication networks are supported by the 1768-L43S/B?
A: The controller supports EtherNet/IP, ControlNet, and RS-232 communication interfaces.
Q: What I/O expansion capability is available for this controller?
A: The controller supports up to 2 x 1768 modules and up to 16 x 1769 I/O modules.
Field Installation Guidelines
Install the 1768-L43S/B controller on a compatible DIN rail or panel mounting surface according to Compact GuardLogix system installation requirements. Verify power supply capacity and backplane current requirements before energizing the controller.
Separate safety communication wiring, network cables, and power conductors to reduce electromagnetic interference. Use shielded communication cables where required and apply grounding methods defined by the control system design.
Configure safety tasks, controller firmware, and communication parameters using compatible GuardLogix programming software. Verify safety signatures and I/O assignments before placing the controller into operational service.
Maintain installation conditions within the specified temperature, vibration, and shock limits. Protect the open-style controller assembly from conductive contamination and unauthorized access through appropriate enclosure design.
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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