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©
2019 Radiocrafts AS
MBUS User Manual (ver 2.01)
MBUS USER MANUAL
Appendix B
Configuration Memory
The table below shows the complete list of configurable parameters stored in non-volatile memory. These values
can be changed using the ‘M’ command. All addresses and arguments must be sent as binary values to the
module (not as ASCII representation for hex or decimal).
Table 11
– Configuration Memory
Parameter
Addr
(hex)
MBU
S
3
MBU
S
4
Argument
range
Comment
Default/
Factory Setting
Radio Configuration
RF_CHANNEL
0x00
✔
✔
MBUS3: 1-
10
MBUS4: 1-
41
Default RF channel.
See data sheet for channel frequencies.
Only used for R mode (MBUS3) and N mode
(MBUS4).
MBUS3: 0x01
MBUS4: 0x03
RF_POWER
0x01
✔
✔
1-5
Default RF output power
See data sheet for output power levels.
RC1180HP: 0x03
Others: 0x05
DATA_RATE
0x02
✘
✔
RF data rate
MBUS3
MBUS4
1
0x01
-
2.4kbps
2
0x02
-
4.8kbps
3
0x03
-
NA
4
0x04
-
19.2kbps
5
0x05
-
6.4kbps
MBUS4: 0x01
MBUS_MODE
0x03
✔
✔
M-Bus mode.
Use ‘G’ command to change value in volatile
memory only.
R mode not supported in OMS
Mode 10 and 11 allows reception of both modes.
MBUS3
MBUS4
0
0x00
S2
-
1
0x01
T1
-
2
0x02
T2
-
3
0x03
S1
-
4
0x04
R
-
8
0x08
C2
9
0x09
C1
10
0x0A
T1+C
-
11
0x0B
T2+C
-
16
0x10
-
N2
17
0x11
-
N1
MBUS3:
RC1170: 0x00
RC1170HP: 0x00
Others: 0x01
MBUS4:
RC17xx: 0x10