Page 26 COMMAND STATION MX1, MX1HS, MX1EC
Main track section message
If spontaneous messages are activated for a track section module’s section, this message is sent
spontaneously whenever it’s state changes.
Header byte
Value
Descript
ion
1 0-255
unique
sequence-ID
2 0x16
MX9
message
3
0
main section status
4
MX9_ID
MX9 address (1-63 not 901-963)
5
section
main section number (0-7)
6
B-Status
occupancy status of main section 0
V C S B A T T T
V: data valid
C: changed (since last transmission)
S: short circuit (main section off)
B: section B occupied
A: section A occupied
T T T: number of recognized loco numbers (0-4)
7
F-Status
active speed limit
(H=0, U=1, L=2, F=3, A=4, HU=5, UL=6, LF=7)
8
Zugnr1_H
1. loco number high byte
9
ZugNr1_L
1. loco number low byte
10
ZugNr2_H
2. loco number high byte
11
ZugNr2_L
2. loco number low byte
12
ZugNr3_H
3. loco number high byte
13
ZugNr3_L
3. loco number low byte
14
ZugNr4_H
4. loco number high byte
15
ZugNr4_L
4. loco number low byte
Reply:
Ack (level 1)
3.1.2.
Long frame protocol messages
General messages
Acknowledge/reply sent by MX1 (level 1)
Header byte
Value
Description
1 0-255
unique
sequence-id
2
255
acknowledge/reply sent by command station (level 1)
3
dd00nnnn
nnnn … length of header
dd … additional data flow information (see
4
ID
sequence-id of the message that is being acknowledged
Reply:
n.a.
Acknowledge/reply sent by PC (level 1)
Header byte
Value
Description
1 0-255
unique
sequence-id
2
254
acknowledge/reply sent by PC (level 1)
3
dd00nnnn
nnnn … length of header
dd … additional data flow information (see
)
4
ID
sequence-id of the message that is being acknowledged
Reply:
n.a.
Acknowledge/reply sent by MX1 (level 2)
Header byte
Value
Description
1 0-255
unique
sequence-id
2
253
acknowledge/reply sent by command station (level 2)
3
dd00nnnn
nnnn … length of header
dd … additional data flow information (see
)
4
ID
sequence-id of the message that is being acknowledged
Reply:
Ack (level 1)