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12. Serial interface (S-I/F)
12-1. Specification of interface
Specifications Contents
Baud rate 600 bps
Data length 8 bit
Parity bit ODD
Stop bit 1 bit
Start bit 1 bit
Sending data Binary code, BCD
12-2. Data format
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
INTERVAL F1 F2 F3 LEN FUN1 FUN2 ST1 ST2 OVR ERR G1 G2 G3 N1 N2 N3 BCC
① INTERVAL Space for 15 bit(25 ms) or more (MARK SIGNAL)
② F1～F3 0FFH code
③ LEN 11H code
④ FUN1 Printing command
⑤ FUN2 00H code
⑥ ST1 00H code
⑦ ST2 00H code
⑧ OVR 00H code
⑨ ERR Condition
⑩ G1～G3 GROSS data
⑪ N1～N3 NET data
⑫ BCC Calculation result from LEN to N3
(１) FUN1
7 6 5 4 3 2 1 0
(２) ST1
7 6 5 4 3 2 1 0
(３) GROSS data/NET data
G1/ N1 G2/ N2 G3/ N3
DP 10
4
10
3
10
2
10
1
10
0
76 Decimal point
00 Nothing
01 10
1
10 10
2
11 10
3
● The output of the serial data is executed only in the measurement mode.
● The data output of a serial interface stops when the maximum display is set to six digits.
Please set the maximum display within five digits when you use a serial interface.
● Make connection by referring to the 2-4.
Printing command
If the display is NET, it is SET
If the display is GROSS, it is SET
Load data・BCD data
7 6 4 5
Sign(SET in minus)
Decimal point
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