HD32MT.3
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V1.2
“Modbus Slave” mode: in “Modbus Slave” mode, it is possible to read the values measured by
the data logger by using the function code 04h (Read Input Registers). The register address of a
measure is equal to the index of the measure reported in the description of the command MEAS-
UREMAP.
11.21
SD
CARD
Command
Description
P
SDTEST
SD card test. If the card is not present, you receive the message
"?SD card MISSING|". If the card is busy, you receive the message
"?SD card BUSY|". If the free memory is less than 16 MB, you re-
ceive the message "?Insufficient memory left|".
SDCARDSTATUS
Checks if the SD card is busy in saving operations or files transmis-
sion or it is free and can be removed.
If the card is free, you receive the message "?SD card READY|". If
the card is busy, you receive the message "?SD card BUSY|". If the
card is not in place, you receive the message "?SD card MISSING|".
FREEMEM
Prints the amount of free memory in the SD card. If the card is not
present, you receive the message "?SD card MISSING|".If the card is
busy, you receive the message "?SD card BUSY|".
MSD
Switches to the mass storage mode. In mass storage mode the SD
card is detected by the PC as a disk drive. During this mode the writ-
ing of files to the SD card is suspended.
11.22
H
ARDWARE CONTROL
Command
Description
P
K#
Performs the reset of the data logger.
VSWCONTROL n b
Enables/disables the switched power output Vsw number n
(n=1,2,3).
If b=Y, the output is enabled (powered).
If b=N, the output is disabled (not powered).
If b=C, an ON/OFF cycle of the power output is performed.
Содержание HD32MT.3
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