Siemens SIWAREX FTC - Dr 122 Log Data MMC; Table 5-27 Overview of MMC Data; Table 5-28 MMC Log

WEIGHING FUNCTIONS AND PARAMETERS
Name Type Length Range of Values / Meaning Reference
Log ID DINT 4
Depending on the log output RS232 / MMC,
this ID is shown as follows
RS232
The ID is incremented with every log output
(not with repeat") and is stored and managed
in RAM memory. This number is only reset
with default values.
MMC
The ID is incremented with every log output
(not with repeat") and is stored and managed
in MMC memory. This number can only be
reset by deleting or formatting the card.
MMC ID BYTE[5] 5 1 byte manufacturer ID and 4 bytes serial
number
Reserve 1 BYTE 1 Reserve 1
Reserve 2 INT 2 Reserve 2
MMC memory capacity DINT 4 MMC - total memory capacity in bytes
Available MMC capacity
for log data
DINT 4 Capacity of the MMC for log data [Bytes]
Available capacity for trace
data
DINT 4 Display depending on the defined trace target
RAM or MMC in the interface parameters
[Bytes]
Oldest MMC-Log-ID DINT 4 Oldest element
Youngest MMC-Log-ID DINT 4 Youngest element
Oldest MMC-Trace- ID DINT 4 Oldest element
Youngest MMC-Trace-ID DINT 4 Youngest element
Oldest RAM-Trace- ID DINT 4 Oldest element
Youngest RAM-Trace-ID DINT 4 Youngest element
48
Table 5-27 Overview of MMC data
5.27 DR 122 Log Data MMC
By reading the DR 122, SIWATOOL FTC can be used to determine which log data
is stored on the MMC.
A log can then be read for a defined log ID.
Name Type Length Range of Values / Meaning Reference
MMC-ID BYTE[5] 5 1 byte manufacturer ID + 4 bytes serial
number
Reserve 1 BYTE 1 Reserve 1
Length INT 2 [n] Number of valid data bytes in the log text;
if 0, the requested log number does not exist
Log ID DINT 4 ID for stored log text
Log text BYTE[n] 174 Log text 1|2|3|4
Block check character INT 2 CRC16
(MMC-ID + Log ID + Log text[n])
188
Table 5-28 MMC log
SIWAREX FTC
5-87