Mitsubishi Electric MELSEC iQ-R Series User Manual page 276

■Binary file output format
The following figure shows the configuration of the binary format and details of each data.
(1) Identification code: Fixed to
4 bytes (fixed to "MRCB")
(2) File version: 1 byte (fixed to 1)
(3) File type: 1 byte (fixed to 1)
(4) Model information: 16 bytes
(5) Added-data information: 2 bytes
Header
(6) Comment size: Fixed to 2 bytes
(7) Comment: (Comment size) bytes
(8) Number of collected data: 2 bytes
(Collected data from the second
one to the second-to-last)
(Records from the second one
Data
to the second latest)
: Whether or not to export can be selected.
20 DATA LOGGING FUNCTION
274
20.6 Data Logging File
Head-data information
Last-data information
Head-record data
Latest record data
(9) Data information size: 2 bytes
(10) Data type: 2 bytes
(11) Output type: 2 bytes
(12) Data information setting: 2 bytes
(13) Data length: 2 bytes
(14) Data name length: 2 bytes
(15) Data name:
(Data name length) bytes
(16) Device comment name length:
2 bytes
(17) Device comment name:
(Device comment name length) bytes
(18) Record start flag (FFFFH): (2 bytes)
(19) Record data length: 2 bytes
(20) Date data: 8 bytes
(21) Data collection interval: 8 bytes
(22) Step No.: 4 bytes
(23) Program No.: 2 bytes
(24) Program name length: 2 bytes
(25) Program name:
(Program name length) bytes
(26) Index: 4 bytes
(27) Trigger occurrence flag: 2 bytes
(28) Head data: (Data length) bytes
(Collected data from the second
one to the second-to-last)
(28) Last data: (Data length) bytes
(18) Record end flag (FFFEH): 2 bytes