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10.6.4.2 Files
File FF.02 contains the timezones the instrument is supporting – in id order (see table).
FF.02 is a structured homogeneous file identified as follows:
−
Name
= name of the file by
elsie.nci.nih.gov
(e.g. “
tzdata2004g
”) used to build the
timezone rules
of
the X3M database.
−
Creation Date/Time
= date/time of database creation
−
Modification Date/Time
= date/time of database compilation
The
n
th
record of the file contains information about the timezone with index
n-1
.
The service that generates the FF.02 file uses the following output variables:
System clock – Output Variables allocated in file FF.02
Name
ID
Type
Description
Timezone name
FF82h
BYTE ARRAY
(ASCIIZ string)
Timezone name in use.
Firmware version
FF83h
BYTE PAIR
(Unsigned integer, Unsigned integer)
Firmware version
(Major version, Minor version)
Slave ID
FF84h
WORD
(Unsigned integer)
Instrument slave ID (Modbus)
Serial number
FF85h
DOUBLEWORD
(Unsigned integer)
Instrument serial number
10.6.4.3 Clock related Modbus registers
Holding Registers 140 to 169 are used for clock programming by Modbus protocol via serial port.
See chapter 9 for details.