The Yokogawa RS81-B, also cataloged as the RS81B interface card, operates as a dedicated hardware component for internal bus communication and data routing within Centum XL and Micro XL control platforms.
Hardware Specifications
Parameter
Specification
Model
RS81-B
Brand
Yokogawa
Origin
Japan
Weight
1.45 lbs
Dimensions
Standard Centum XL rack-mount module form factor
Operating Temp
0 deg C to 50 deg C
Power Consumption
5 VDC nominal backplane feed
Core Function
Internal bus communication and data routing
Channel Isolation and Bus Communication
The module incorporates robust channel-to-channel isolation and galvanic decoupling circuitry to mitigate common-mode interference across internal control buses. Data transfer protocols maintain deterministic synchronization within the Centum XL rack environment, preventing signal degradation over continuous operating cycles.
Frequently Asked Questions
Q: What is the nominal operating voltage supplied by the rack backplane to the RS81-B module?
A: The module draws power from a 5 VDC nominal rail provided by the Centum XL or Micro XL backplane bus.
Q: Can the RS81-B interface card be hot-swapped during active process execution?
A: Hot-insertion is not supported during live operations to avoid backplane voltage transients and communication faults; power must be isolated prior to replacement.
Field Installation Guidelines
Verify that the system rack slot is de-energized before handling. Align the printed circuit board edges with the designated guide rails of the Centum XL chassis. Insert the card vertically with steady, uniform pressure until the backplane edge connector is fully seated. Tighten the upper and lower mounting screws to secure mechanical alignment and ensure proper chassis grounding.
