Chapter 8. Communication Functions
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(2) Select one of 0∼15 in frame list to open the following window.
① Frame specification
• Header
- Used in [Header] type.
- Possible characters, as headers are 1 alphabet letter, 1 numeric number, or control characters as below.
Available Control Code
NUL(H00) SOH(H01) STX(H02) ETX(H03) EOT(H04) ENQ(H05) ACK(H06) BEL(H07)
BS(H08) HT(H09) LF(H0A) VT(H0B) FF(H0C) CR(H0D) SO(H0E) S1(H0F)
DLE(H10) DC1(H11) DC2(H12) DC3(H13) DC4(H14) NAK(H15) SYN(H16) ETB(H17)
CAN(H18) EM(H19) SUB(H1A) ESC(H1B) FS(H1C) GS(H1D) RS(H1E) US(H1F)
DEL(H7F)
Example 1)
[NUL], [ENQ], [1], [A]: Possible
Example 2) NUL, ENQ, [12], [ABC]: impossible
- It is allowed to be only 3 consecutive characters.
Example 3)
[ENQ][STX][NUL]: Possible
Example 4)
[A][NUL][ENQ][STX]: impossible
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