ADDR
FUNC
01
03
BYTE C
02
DATA H,L
00
FF
CRC L,H
F8
04
ADDR
FUNC
01
03
BYTE C
02
DATA H,L
20
D8
CRC L,H
A1
DE
ADDR
FUNC
01
03
REG H,L
00
21
COUNT H,L
00
01
CRC L,H
D4
00
ADDR
FUNC
01
03
ERROR
60
CRC L,H
41
18
DATA H, L - Displayed value = 255, no decimal point.
Decimal point position can be read from reg. 03h.
DATA H - 0
DATA L - new device address (2)
ERROR - error code = 60h, bottom border of the measurement range is exceeded
DATA - identification code (20D8h)
b) The answer (if an error occur):
ERROR - error code = 60h, bottom border of the measurement range is exceeded
2. Read of device ID code
ADDR
FUNC
01
06
REG H,L
00
20
COUNT H,L
00
02
CRC L,H
09
C1
ADDR
FUNC
01
06
REG H,L
00
20
COUNT H,L
00
02
CRC L,H
09
C1
3. Change of the device address from 1 to 2 (write to reg. 20h)
The answer (the same as the message):
a) The answer (we assume that the measure result is not out of range):
51
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ITC 450/470
User manual
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