Track

Track and Command Station Control

CBUS packets which control the overall track operation.

04 Track OFF (TOF)

Format: <04>

Commonly broadcasted to all devices by the command station to indicate track power is off and no further command packets should be sent, except inquiries.

05 Track ON (TON)

Format: <05>

Commonly broadcast to all devices by the command station to indicate track power is on.

06 Track Stopped (ESTOP)

Format: <06>

Commonly broadcast to all devices by the command station to indicate all engines have been emergency stopped.

07 System Reset (ARST)

Format: <07>

Commonly broadcast to all devices by the command station to indicate a full system reset.

08 Request Track OFF (RTOF)

Format: <08>

Sent by a device to request change of track power state to off.

This is intended for a "command station" which is e.g. providing rail power and commands, separate from the CBUS.

09 Request Track ON (RTON)

Format: <09>

Sent by a device to request change of track power state to on.

This is intended for a "command station" which is e.g. providing rail power and commands, separate from the CBUS.

0A Request Emergency Stop ALL (RESTP)

Format: <0A>

Sent by a device to request an emergency stop of the entire layout.

This is intended for a "command station" which is e.g. providing rail power and commands, separate from the CBUS.

0C Request Command Station Status (RSTAT)

Format: <0C>

Sent by a node to query the status of the command station or another device. See description of (STAT) for the response from the command station/ other devices.

20 Command Station status report(STAT)

Format: <20><SSSSSSSS>

<Dat1> is status

• bit 0 - Hardware Error (self test)
• bit 1 - Track Error
• bit 2 - Track On/ Off
• bit 3 - Bus On/ Halted
• bit 4 - EM. Stop all performed
• bit 5 - Reset done
• bit 6 - Service mode (programming) On/ Off
• bit 7 - reserved

Sent by the command station in response to RSTAT.

63 Command Station Error report(ERR)

Format: <63><adr-hi><adr-lo><error code>

<adr-hi> and <adr-lo> is the loco address

<error code> is

• 1 = loco stack full
• 2 = loco address taken
• 3 = session number not present

Sent in response to an error situation.