Skip to product information
1 of 3

1768-L45S Allen-Bradley Compact GuardLogix | Controller

In stock (15 units), ready to be shipped
  • Vendor:

    Allen-Bradley

  • Type:

    Processor Module

  • Country of Origin:

    USA

  • Dimensions:

    5*12*13cm

  • Weight:

    340 g

  • Tags: Processor module

Allen-Bradley 1768-L45S Compact GuardLogix Safety Controller

  • Brand: Allen-Bradley
  • Part Number: 1768-L45S
  • Product Line: Compact GuardLogix
  • Module Type: Processor Module (Safety Controller)

Memory & Safety Specifications

  • Standard Memory: 3 MB for automation and process tasks
  • Safety Memory: 1 MB dedicated to safety functions
  • Safety Rating: SIL 3 (IEC 61508) and PL e (ISO 13849-1)
  • Safety Architecture: 1oo2 (one-out-of-two) redundant processing
  • Optional Memory: Supports 1784-CF128 CompactFlash card

I/O Capacity & Expansion

  • Supports up to 30 1769 Compact I/O modules across 3 expansion banks
  • Accommodates up to 4 1768 local I/O modules
  • Total I/O modules supported: up to 30 (combination of 1768 and 1769)
  • Expansion banks: up to 3 local I/O banks

Communication & Connectivity

  • Embedded Port: One isolated RS232 port (max speed 38.4 Kbps)
  • Communication Modules: Supports up to 2 1768 modules (e.g., 1768-ENBT for Ethernet/IP, ControlNet, DeviceNet)
  • Supports Ethernet/IP standard and safety, ControlNet standard and safety, and DeviceNet
  • Programming cable: 1747-CP3 or 1756-CP3 (right-angle connector)

Electrical & Power Ratings

  • Backplane Current: 2.1 A at 24 V DC
  • Power Consumption: 50.4 W maximum
  • Power Dissipation: 9.5 W
  • Isolation Voltage: 30 V continuous (tested at 500 V DC for 6 seconds)
  • Functional insulation type with RS-232 isolation

Frequently Asked Questions (FAQ)

  • Q: Is the 1768-L45S a new or refurbished unit?
    A: We supply only brand new, original Allen-Bradley products. This is factory-fresh stock.
  • Q: What safety rating does the 1768-L45S have?
    A: It is rated up to SIL 3 (IEC 61508) and PL e (ISO 13849-1) with 1oo2 safety architecture.
  • Q: How many I/O modules can I connect?
    A: The 1768-L45S supports up to 30 1769 Compact I/O modules across 3 banks, plus up to 4 1768 local I/O modules.
  • Q: What programming cable do I need?
    A: Use the 1747-CP3 or 1756-CP3 cable for the isolated RS232 port.
  • Q: Can I use Ethernet communication?
    A: Yes, install up to two 1768 communication modules such as 1768-ENBT for Ethernet/IP standard and safety.
  • Q: What is the return policy?
    A: We accept returns within 30 days of receipt. Products must be in original condition.
  • Q: How long does shipping take?
    A: We process orders within 5 days. Delivery takes 3–7 business days via FedEx, UPS, or DHL.

Contact Information Inquiries: sales@nex-auto.com , +86 153 9242 9628

Partner NexAuto Technology Limited : https://www.nex-auto.com/

Fast & Reliable Shipping

Quick worldwide delivery

keeps your automation projects on schedule.

Genuine & Trusted

All components are 100% authentic

ensuring reliable performance for your systems.

  • Express Delivery
  • 12 Months Warranty
  • 30 Days Easy Returns
View Product Details

Customer Support

Get Help When You Need It Most