Communication capture between application and energy meter via RS-485 (IEC62056-21)

drs155m_log_20121206.log

Here is a short capture of a communication between the sample application and the energy meter using RS-485

Energy Meter: DRS110M, DRS155M (from http://www.bg-etech.de/)

/?!
/YTL:001511420144
[ACK]0:1
{SOH}P0{STX}(00000000){ETX}{BCC 0x60}[SOH]P1[STX]()[ETX][BCC 0x61]{SOH}B0{ETX}{BCC 0x75}[SOH]B0[ETX][BCC 0x71]
/?!
/YTL:001511420144
[ACK]0:1
{SOH}P0{STX}(00000000){ETX}{BCC 0x60}[SOH]P1[STX](00000000)[ETX][BCC 0x61]{ACK}[SOH]R1[STX]00000034()[ETX][BCC 0x64]{STX}00000034(001511420144){ETX}{ACK}[SOH]B0[ETX][BCC 0x71]
/?!
/YTL:001511420144
[ACK]0:1
{SOH}P0{STX}(00000000){ETX}{BCC 0x60}[SOH]P1[STX](00000000)[ETX][BCC 0x61]{ACK}[SOH]R1[STX]00000034()[ETX][BCC 0x64]{STX}00000034(001511420144){ETX}{ACK}[SOH]R1[STX]00000000()[ETX][BCC 0x63]{STX}00000000(2290){ETX}[SOH]B0[ETX][BCC 0x71]
/?!
/YTL:001511420144
[ACK]0:1
{SOH}P0{STX}(00000000){ETX}{BCC 0x60}[SOH]P1[STX](00000000)[ETX][BCC 0x61]{ACK}[SOH]R1[STX]00000034()[ETX][BCC 0x64]{STX}00000034(001511420144){ETX}{ACK}[SOH]R1[STX]00000000()[ETX][BCC 0x63]{STX}00000000(2291){ETX}
[SOH]R1[STX]00000001()[ETX][BCC 0x62]{STX}00000001(0000){ETX}{ETX}[SOH]R1[STX]00000010()[ETX][BCC 0x62]{STX}00000010(00000000){ETX}{ETX}[SOH]B0[ETX][BCC 0x71]
/?001511420144!
/YTL:001511420144
[ACK]0:1
{SOH}P0{STX}(00000000){ETX}{BCC 0x60}[SOH]P1[STX](00000000)[ETX][BCC 0x61]{ACK}[SOH]R1[STX]00000034()[ETX][BCC 0x64]{STX}00000034(001511420144){ETX}{ACK}[SOH]R1[STX]00000000()[ETX][BCC 0x63]{STX}00000000(2291){ETX}
[SOH]R1[STX]00000001()[ETX][BCC 0x62]{STX}00000001(0000){ETX}{ETX}[SOH]R1[STX]00000010()[ETX][BCC 0x62]{STX}00000010(00000000){ETX}{ETX}[SOH]B0[ETX][BCC 0x71]


Clarification:
--------------

Known registers:

READ (length)
#############
0: voltage (4)
1: current (4)
10: Energy (8)
34: Serial number (12)
36: Meter ID (12)

WRITE (length)
##############
34: Serial number (12)
36: Meter ID (12)
37: Password (8)
40: ClearEnergy (0)

{} receive from energy meter
[] send to energy meter

#################################################################
/?!
-> request data

/YTL:001511420144
<- identification

[ACK]0:1
-> ACK, BAUDRATE ':', MODE 1 (programming mode)

{SOH}P0{STX}(00000000){ETX}{BCC 0x60}
<- operation requires password 'P0'

[SOH]P1[STX]()[ETX][BCC 0x61]
-> send empty password

{SOH}B0{ETX}{BCC 0x75}
<- invalid password, exit!

[SOH]B0[ETX][BCC 0x71]/?!
-> exit, logout
#################################################################
/?!
/YTL:001511420144
[ACK]0:1
<-> (see above)

{SOH}P0{STX}(00000000){ETX}{BCC 0x60}
<- operation requires password 'P0'

[SOH]P1[STX](00000000)[ETX][BCC 0x61]
-> send '00000000' as password

{ACK}
<- ACK, password accepted

[SOH]R1[STX]00000034()[ETX][BCC 0x64]
-> request data in register 34

{STX}00000034(001511420144){ETX}{ACK}
<- return data in register 34

[SOH]B0[ETX][BCC 0x71]/?!
-> exit, logout
#################################################################
/?001511420144!
-> request data from energy meter with mether id '001511420144!' 

/YTL:001511420144
<- identification

[ACK]0:1
-> ACK

{SOH}P0{STX}(00000000){ETX}{BCC 0x60}
<- operation requires password 'P0'

[SOH]P1[STX](00000000)[ETX][BCC 0x61]
-> send '00000000' as password

{ACK}
<- ACK, password accepted

[SOH]R1[STX]00000034()[ETX][BCC 0x64]
-> request data in register 34

{STX}00000034(001511420144){ETX}{ACK}
<- return data in register 34

[SOH]R1[STX]00000000()[ETX][BCC 0x63]
-> request data in register 0

{STX}00000000(2291){ETX}
<- return data in register 0

[SOH]R1[STX]00000001()[ETX][BCC 0x62]
-> request data in register 1

{STX}00000001(0000){ETX}{ETX}
<- return data in register 1

[SOH]R1[STX]00000010()[ETX][BCC 0x62]
-> request data in register 10

{STX}00000010(00000000){ETX}{ETX}
<- return data in register 10

[SOH]B0[ETX][BCC 0x71]
-> exit, logout