Honeywell 621-9928R Serial Link Selector for Industrial Automation AC800M it ensures seamless integration between

it ensures seamless integration between field devices and controllers

with no shared clocks

Destination: T-junction box

Dimensions: Height: 124 mm

Honeywell 621-9928R Serial Link Selector for Industrial Automation AC800M it ensures seamless integration betweenProduct Overview The Honeywell 621 9928R Serial Link Selector Module is designed for industrial automation systems using redundant Logic Managers. It enables automatic or manual switching between multiple serial communication channels, ensuring fault tolerant connectivity across PLCs, HMIs, and sensors. Supporting RS 232, RS 422, and RS 485 protocols, this module enhances flexibility and reliability in distributed control environments. Technical