36
▶ Serial
Communication
Protocol
The below describe an example on the settings for communication
between an indicator and a PC assuming that current display is 32.567
and the ID of a indicator is 5.
1) Transfer the current display from host PC
Byte 1 (Indicator ID)
Byte 2
35H
R(52H)
Response from Indicator
2) Special Functions Set
Host (PC)
Indicator
Auto Zero set
Byte 1 (Indicator ID)
Byte 2
No response
35H
Z(5AH)
Hold set
Byte 1 (Indicator ID)
Byte 2
Transfer again
to enable
35H
H(48H)
Hold clear set
Byte 1 (Indicator ID)
Byte 2
Transfer again
to disable
35H
L(4CH)
Example) 1(ID)+_7.487
Example) 1(ID)+_ _7487
Example) 15(ID)+_.7486
Example) 2(ID)+_74.86
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
STX(02H)
35H
+(2BH)
3(33H)
2(32H)
.(2EH)
Byte 7
Byte 8
Byte 9
Byte 10
5(35H)
6(36H)
7(37H)
ETX(03H)
ASCII
1+_7.487
HEXA
02 31 2B 20 37 2E 34 38 37 03
ASCII
1+_ _7487
HEXA
02 31 2B 20 20 37 34 38 37 03
ASCII
15+_.7486
HEXA
02 3F 2B 20 2E 37 34 38 36 03
ASCII
2+_74.86
HEXA
02 32 2B 20 37 34 2E 38 36 03
