The 2500-RIO-A RS485 Remote Base Controller allows control of a remotely-located

CTI 2500 Series® or Simatic® 505 I/O base over a twisted-pair RS485 cable up to

1000m from the CPU. IMPORTANT NOTE: 2500-RIO-A HAS BEEN MATURED.

IT IS REPLACED BY 2500-RIO-B, WHICH SHOULD BE USED ON ALL NEW DESIGNS.

Features

• Replaces Siemens® 505-6851-A and 505-6851-B with no rewiring

• Can be used in all currently available CTI and Siemens® 4. 8. 11.and 16-slot bases

• Works in 2500-R11-A and 505-6511 redundant bases to provide RBC redundancy

• Up to 15 remote bases can be attached to a CPU

• Maximum cable distance between CPU and remote base is 1000m

Files & Documents

• Product Maturity Announcement

• Product Bulletin