M-Bus Interface Module XC
User Manual
Page 3 from 6
E110003813092
Bär Industrie-Elektronik GmbH
Rathsbergstr. 23
D-90411 Nürnberg
Phone +49 911 970590
Fax +49 911 9705950
Communication
The interface port is conforming to IEC 62056-21 with fixed baud rate. For setting the baud rate use
please the EMH COMBI-TOOL-Software: menu
Meter
Interfaces
Electrical interface
.
For reading data the meter-ID (device address) can be used (e.g. /?<meter-ID>!).
Explanations of massage contents (see IEC 62056-21):
Start character: / (forward oblique, code 2F
Hex
)
End character: ! (exclamation mark, code 21
Hex
)
Completion character: CR (carriage return, code 0D
Hex
) and LF (line feed, Code 0A
Hex
); enter key
Example for communication path:
Sign-on sequence:
/?! CR LF
without meter-ID
or
/?12345678! CR LF
if the meter-ID := 12345678
Answer:
/EMHzIdent CR LF
z := baud rate identification
Sign-on acknowledgement:
ACK 0z0 CR LF
Data readout (billing list):
/EMH5\@\201LZQJL001VE
F.F(00000000)
0.0.0(12345678)
0.1.0(03)
0.1.2*03(0120216091536)
0.1.2*02(0120101000000)
0.1.2&01(0111209125955)
…
0.2.2(00000024)
0.9.1(0155843)
0.9.2(0120216)
1.2.1(0010.09*kW)
2.2.1(0000.00*kW)
…
!
Possible telegrams (for more information see please the meter manual):
Billing list:
sign-on sequence: /?!
Table 1:
sign-on sequence: /1!
Table 2:
sign-on sequence: /2!
Table 3:
sign-on sequence: /3!
Table 4 (service data): sign-on sequence: /4!
Load profile P.01
User profile P.02
Log book P.98
PTB log book P.99
User log book P.200
Option: DLMS protocole;