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10.3 Interface Specifications
(1) Transmission system Serial transmission with start-stop synchronization
(2) Transmission rates 1200/2400/4800/9600 bps.
(3) Transmission codes ASCII codes (8-bit)
(4) Signal levels Compliant with EIA RS-232C
HIGH level (Data logic 0)
+5 to +15 V
LOW level (Data logic 1)
-5 to -15 V
(5) One-character bit configuration Start bit: 1 bit
Data bit: 8 bits
Parity bit: 0/1 bits
Stop bit: 2 bits
(6) Parity bit: none/odd/even
LSB MSB
①②③④⑤⑥⑦⑧⑨⑩ ⑪ ⑫
Logic “1”
Logic “0”
Data bit
Start bit
Parity bit
(may be omitted)
Stop bit
10.4 Output Data
By changing the function settings on the main unit of the balance, users can select either of the following
formats: (See “4.2 Description of Functions,” on page 13.)
10.4.1 Data Format
(1) Six-digit numeric format
Composed of 14 characters, including the terminators (CR = 0DH, LF = 0AH).
1 2 3 4 5 6 7 8 9 10 11 12 13 14
P1 D1 D2 D3 D4 D5 D6 D7 U1 U2 S1 S2 CR LF
(2) Seven-digit numeric format
Composed of 15 characters, including the terminators (CR = 0DH, LF = 0AH). A parity bit can also
be appended.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
P1 D1 D2 D3 D4 D5 D6 D7 D8 U1 U2 S1 S2 CR LF