public:cbuspublic:start
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- | ===== CBUS - A universal layout control system ===== | ||
- | [[public: | ||
- | [[public: | ||
- | [[: | ||
- | ==== Introduction ==== | ||
- | CBUS is a Layout Control System running on the [[wp> | ||
- | cbus.php and cbus2.php | ||
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- | {{ http:// | ||
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- | ===== Tools: ===== | ||
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- | * **[[cbus_flim: | ||
- | * **[[http:// | ||
- | * **[[http:// | ||
- | * **SSI** (Solid State Interlocker) from [[http:// | ||
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- | ===== Implementation Notes ===== | ||
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- | * CBUS operates over CAN at 125kbps. | ||
- | * CAN is bidirectional and has built-in error correction and message re-send. | ||
- | * CBUS CAN frames have an 11-bit header and an 8-byte data-part. | ||
- | * The data-part carries the CBUS message. | ||
- | * The header must be unique, and this is ensured by including the 1 byte CAN-ID assigned to the sending node. | ||
- | * The CAN-ID is retained by the node, moving it to a new layout may cause a CAN-ID conflict. | ||
- | * In SLiM mode, the node-id is set by switches, and the CAN-ID is set equal to the low-byte of the node-id. | ||
- | * In FLiM mode, if the node does not have a CAN-ID, one is automatically obtained by self-enumeration: | ||
- | * NB: New modules //must// be introduced to the bus one at a time. | ||
- | * The CAN-ID may be re-assigned: | ||
- | * CBUS uses 29-bit header CAN messages for bootloading. | ||
- | * A complete description of CBUS including the full specification and implementation notes is contained in the ' | ||
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public/cbuspublic/start.1579707095.txt.gz · Last modified: 2020/01/22 15:31 by grovenor