Content → Command Stations → CANBUS

• Node Setup
• CAN-GCx Modules and Command Station
  • CAN-GC1e Ethernet Interface
  • CAN-GC1 Serial-USB Interface
  • RPI-CAN MCP251x Interface (SocketCAN)
  • CAN-GC2 16 port programmable I/O
  • CAN-GC2a 16 port programmable I/O Nano based
  • CAN-GC3 DCC Command Station
  • CAN-GC4 RFID Concentrator
  • CAN-GC5 Stationary Throttle
  • CAN-GC6 4 Channel servo controller
  • CAN-GC7 Fast clock
  • CAN-GC8 Display driver for dynamic text
• USB Port mapping (Optional)

The CAN-ID used for the CAN Interface like CANGC1(e) and SocketCAN.
The default is 1 and is the best choice for all interface types.

The connected CAN nterface:

Type	BPS	Kit code	Manufacturer	Remark	Extended Frames
TCP/IP	10/100 MBPS	CAN-GC1e	GCA	Set protocol to CBUS exclusive; It will stuck on receiving extended frames.	Invalid
USB	500000	CANUSB	MERG	Preferred by MERG. The 12V version can be used in combination with the CAN-GCA line. RTS/CTS should be disabled because its not supported by this module.	Invalid
Serial	230400	CAN-GC1	GCA	Uses binary responses to improve through put. (Not MERG compatible.)	Invalid
Serial	115200	CANRS	MERG	Deprecated; It is not fast enough to keep up with CBUS at full speed!	Invalid
Serial	115200	Pi-Sprog	Sprog
SocketCAN	-	Pi01CAN	GCA	SocketCAN compatible devices.	Yes
LAWICEL / SLCAN	115200…500000	USBTin	Thomas Fischl	Tiny, fast and easy to use USB interface.	Yes
TCP/IP	WiFi	WIO-CAN	GCA	Needs the binary option.	Yes
USB	115200…500000	WIO-CAN	GCA	Needs linefeed option.	Yes

Note: Extended frame support is needed in case WIO-02 and/or WIO-Prog2 are on the same CAN bus.

Determine the serial DTR level on startup. None is default.
Some Windows device driver do not set this signal accordantly and must be set to "high" to be able to receive data.

Only in combination with Sub-Library TCP and WIO-CAN.

The serial device used for the CAN interface.

The hostname and port for the TCP/IP interface.
In case of SocketCAN the host name is the device name. Default can0

Set to CBUS only if a CANGC1, CANGC1e and/or CANGC3 is connected.

Enable CAN protocols.
Default is RCAN and CBUS parallel.
RCAN uses extended CAN frames, and is used by WIO modules with CAN interface.
CBUS modules do not evaluate extended CAN frames, and WIO modules do not evaluate standard CAN frames.

Redirect all mobile commands with Node ID zero to the Command Station with this Node ID.
Mostly used in combination with WIO-Control and WIO-Prog.

Use the short version of the accessory events; Event number only. (Recommended)
The long events are based on node number and event number.

Send fast clock packets on the CBUS.
It is recommended to set this enabled in case of using a TCP/IP connection to prevent idle timeout disconnection.

Use only in case of data loss in combination with WiFi.

Activates the command acknowledgment handshake.
A next command can only be send if the interface did acknowledged the previous command.
This handshake prevents loss of commands due buffer overflow. (10/100MBit → 125kBit)
Other manufacturers, like Lenz, are also using such a handshake on there Ethernet interfaces.

Sends every second an event# 4712 OPC_ACON/OPC_ACOF on the bus to be able to check for hardware/cable problems.
The LEDs on the modules should flash every second.
A CAN-GC2 can be programmed on this event# to be able to add a LED mounted on the dashboard.

• Note: In order not to trigger unwanted SoD queries with the heartbeat, the selected address must be outside the address range defined by SoD.

"Start of Day" address offset for the query of all input states.
This must be programmed as event in all input nodes which should report.
Alternatively, all GC2 modules can be set to SoD address++. The second field is the number of modules, and the third the sleep time (ms) between SoD queries. This option avoids a CAN bus burst at SoD.

CS timeout for updating DCC mobile decoders.
If a loco becomes idle before this time out a keep alive command is send to the CS.
The hardware purgetime is 20 seconds, so this value should be set to less then 20 to assure the slot is not purged during automatic runs!

Check if all Decoders are online. (NET-ID=CAN-ID, Bus=Node Number)
The default interval is 10 seconds.
A power off will be issued if a decoder is not responding. (Lost node.)
Loco sessions will be invalidated if the GC3(CANCMD) was lost.

CBUS addressing is FLAT, only the bus and address values are used.