OHAUS RS232 Interface - Page 67

RS232 㓺
㓺Ԭ
CN-5
RS232 (DB9)
ᕅ㝊ᇊѹ
RS232 ᧛㓺Ԭ䞃ᴿ DB9 ∃ཪȾ
Ѩᇐѿφ Pin 2 = TXD, Pin 3 = RXD, Pin 5 = Ground.
᧛䘔᧛ಞԛ⴪᧛䘔᧛ࡦ⭫㝇θྛ䊠ᯥᢉদᵰૂެԌᢉদᵰȾ
⽰ᝅഴ
㊱ශ
䈪᱄
⌘˖RTS, CTS ઼
RT_CTL
ؑᕅ㝊ӵ䘲⭘Ҿ PJX ⭥ᆀ
ཙᒣDŽ
᧛㊱ශ
ㅜ EIA RS-232C/DIN66020
(CCITT
V24/V.28)
Ⲻ⭫ু᧛
ᴶཝ⭫㔼䮵ᓜ
15 m
ؗ⭫ᒩ
12
䗉࠰φ
+5 V ... +15 V (RL = 3
– 7kΩ)
-5 V ...
-15 V (RL = 3 - 7 kΩ)
䗉ޛφ
+3 V ... +25 V
-3 V ... -25 V
䘔᧛
Sub
-Dθ9 䪾ሯθ࠯
ᐛ֒ᯯᕅ ޞᐛ
Ֆ䗉⁗ᕅ փ-Ѩ㺂θᔸ↛
Ֆ䗉ԙ⸷
ASCII
⌘⢯⦽
Scout STX, SPX, SKX, SJX
⭫ᆆཟᒩφ
120
0, 2400,
4800, 9600, 19200, 38400,
57600, 115200
δ䖥Ԭ䘿ε
PJX
⭫ᆆཟᒩφ
1200, 2400
,
4800, 9600, 19200, 38400
δ䖥Ԭ䘿ε
փ/ཽڬṗ僂
7
-փ/ᰖθ7-փ/ڬθ7-փ/ཽθ
8
-փ/ᰖδ䖥Ԭ䘿ε
ڒ↘փ ڒ↘փ 1, 2
ᨗᢁؗ
ᰖθXON/XOFFθRTS/CTSδ䖥Ԭ
䘿ε
㔉ᶕ㺂ḽ䇼 у䘿