GE Fanuc|IC660BSM021|Bus Switching Module

Description

Features

• Supports dual bus switching for backup communication during bus failure
• Connects up to 8 discrete/analog blocks directly; up to 30 blocks with additional BSMs
• Bus switching triggered by communication loss or command from CPU/handheld monitor
• LED indicator for active bus (lit when bus B is selected)
• Power-efficient design: de-energized for bus A, energized for bus B

Technical Specifications

• Power Supply: 24/48 VDC
• Bus Interface: Dual serial buses (bus A and bus B)
• Maximum Connected Blocks: 8 (direct); 30 with additional BSMs
• Switching Mechanism:
  • Output circuit triggers bus switch on communication loss
  • Manual switching via CPU or handheld monitor command
• LED Indication: Bus B active status
• Isolation: Not specified in source, but typical for industrial BSMs
• Physical Specs:
  • Size: 8.83" × 3.50" × 3.94" (22.44cm × 8.89cm × 10.00cm) (estimated from similar modules)
  • Weight: 4 lbs (1.8 kg) (estimated from similar modules)
• Environmental:
  • Operating temp: 0–60°C (32–140°F)
  • Storage temp: -40–100°C (-40–212°F)
  • Humidity: 5%–95% (non-condensing)