
23
24
Read Hold (03H) function is used for reading the measured parameter (intantenaous measurement
value, minimum and maximum measurement values) and other setting values of the device. If any
register other than this area has been tried to reead, the device will send an error message.
For example; below message can be sent to read the measured voltage value:
2.2.5 RESET Reset Menu
Minimum and maximum values among measured voltage values are stored on the device. Reset menu is
used in order to delete these values. There are 2 sub-menus under Reset menu:
RESET MIN, RESET
MAX
. To see the measured minimum and maximum values, refer to the
Special Functions for Buttons
section of this user manual.
NOTE:
Stored values are not affected from power outages. Measured minimum and maximum values are
deleted after you select YES option under the value that you want to reset and approve the changes when
you exit or a zero (0) value is written into the addresses that these values are stored.
Preset Single Register (06H) function is used for change device settings and resetting the measured
minimum/maximum values.
For example; below message can be sent to set the period value to 100:
Preset Multiple register (10H) function is used for changing more than one register value.
For example; below message can be sent to set the contrast value to 10 and the period value to 100:
BACK MENU
RESET MAX
RESET MIN
RESET
SET
SET
EA
CRC
LSB
01
Device
Address
06
Function
80
MSB
Address
27
LSB
Address
00
Data
MSB
64
Data
LSB
11
CRC
MSB
01
Device
Address
10
Function
80
MSB
Addr.
26
LSB
Addr.
00
Register
number
MSB
02
Register
number
LSB
04
Byte
count
00
Data
MSB
0A
Data
LSB
00
Data
MSB
64
Data
LSB
31
CRC
MSB
B2
CRC
LSB
01
Device
Address
03
Function
00
MSB
Address
00
LSB
Address
00
Register
number
MSB
01
Register
number
LSB
84
CRC
MSB
0A
LSB
Read device info (2BH) function is used to learn the manufacturer name, the device code, hardware version
and software version. The query packet to read the device info is as following:
01 2B 0E 01 00 70 77