Yokogawa RS81-B Interface Card Module
The Yokogawa RS81-B , also cataloged as the RS81-B Interface Card Module, operates as a dedicated hardware component for serial bus routing and system communication execution within CENTUM XL and MICRO XL platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | RS81-B |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 1.45 lbs (0.66 kg) |
| Dimensions | Standard CENTUM XL rack slot footprint |
| Operating Temp | Standard cabinet operating environment |
| Power Consumption | Backplane bus powered |
| Product Category | PLC Module / Interface Card |
| System Compatibility | CENTUM XL / MICRO XL |
| Interface Type | Dedicated rack interface card |
| Cable Termination | Multi-pin bus interface connector |
Channel-to-Channel Isolation & Communication Bus Protocol
The RS81-B module incorporates channel-to-channel isolation circuits to prevent ground loop propagation across long-distance communication links. The onboard bus transceiver converts incoming field data frames into internal backplane logic signals while filtering electromagnetic interference. Channel separation maintains signal fidelity across all transmission paths, reducing bit error rates in high-density process control racks.
Frequently Asked Questions
Q: Which Yokogawa control platforms accept the RS81-B interface card?
A: The RS81-B is engineered to install directly into CENTUM XL and MICRO XL system card cages.
Q: How is hardware electrical isolation managed on the RS81-B bus channels?
A: The card utilizes internal galvanic channel-to-channel isolation barriers to protect backplane processing circuits from field ground potential shifts and transient noise.
Q: Does the RS81-B interface card require an auxiliary power supply connection?
A: No. Power is supplied directly to the module through the internal bus contacts when seated into the system backplane rack.
Field Installation Guidelines
- Align the RS81-B card with the designated card slot guides on the CENTUM XL or MICRO XL rack frame.
- Slide the module inward until the rear edge connectors engage fully with the backplane motherboard, then tighten retaining screws to lock the card in place.
- Verify ground continuity between the card mounting bracket and the system cabinet ground bar to maintain channel isolation and static discharge path performance.
- Route external interface cabling away from high-voltage AC mains lines or heavy inductive loads to minimize noise coupling.
Yokogawa RS81-B Interface Card Module
Yokogawa RS81-B Interface Card Module
The Yokogawa RS81-B , also cataloged as the RS81-B Interface Card Module, operates as a dedicated hardware component for serial bus routing and system communication execution within CENTUM XL and MICRO XL platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | RS81-B |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 1.45 lbs (0.66 kg) |
| Dimensions | Standard CENTUM XL rack slot footprint |
| Operating Temp | Standard cabinet operating environment |
| Power Consumption | Backplane bus powered |
| Product Category | PLC Module / Interface Card |
| System Compatibility | CENTUM XL / MICRO XL |
| Interface Type | Dedicated rack interface card |
| Cable Termination | Multi-pin bus interface connector |
Channel-to-Channel Isolation & Communication Bus Protocol
The RS81-B module incorporates channel-to-channel isolation circuits to prevent ground loop propagation across long-distance communication links. The onboard bus transceiver converts incoming field data frames into internal backplane logic signals while filtering electromagnetic interference. Channel separation maintains signal fidelity across all transmission paths, reducing bit error rates in high-density process control racks.
Frequently Asked Questions
Q: Which Yokogawa control platforms accept the RS81-B interface card?
A: The RS81-B is engineered to install directly into CENTUM XL and MICRO XL system card cages.
Q: How is hardware electrical isolation managed on the RS81-B bus channels?
A: The card utilizes internal galvanic channel-to-channel isolation barriers to protect backplane processing circuits from field ground potential shifts and transient noise.
Q: Does the RS81-B interface card require an auxiliary power supply connection?
A: No. Power is supplied directly to the module through the internal bus contacts when seated into the system backplane rack.
Field Installation Guidelines
- Align the RS81-B card with the designated card slot guides on the CENTUM XL or MICRO XL rack frame.
- Slide the module inward until the rear edge connectors engage fully with the backplane motherboard, then tighten retaining screws to lock the card in place.
- Verify ground continuity between the card mounting bracket and the system cabinet ground bar to maintain channel isolation and static discharge path performance.
- Route external interface cabling away from high-voltage AC mains lines or heavy inductive loads to minimize noise coupling.
