Detailed descriptions
17.1 Motherboard
SIMATIC Panel PC 877
Operating instructions, Release 07/2006, A5E00877780-01
17-7
COM 2 serial interface (V24/Mouse), X31
The serial interface (COM 2) has the following pinout:
COM 2 serial interface (V24/Mouse)
PinNo.
Abbreviation
Meaning
Input/Output
1
DCD (M5)
Receiving signal level carrier
Input
2
RxD (D2)
Received data
Input
3
TxD (D1)
Transmitted data
Output
4
DTR (S1)
Data terminal ready
Output
5
GND (E2)
System ground (reference potential)
–
6
DSR (M1)
Ready for operation
Input
7
RTS (S2)
Request to send
Output
8
CTS (M2)
Clear to send
Input
9
RI (M3)
Incoming call
Input
Содержание SIMATIC PANEL PC 877
Страница 2: ......
Страница 10: ...Table of contents SIMATIC Panel PC 877 viii Operating instructions Release 07 2006 A5E00877780 01 ...
Страница 24: ...Description 3 3 Accessories SIMATIC Panel PC 877 3 6 Operating instructions Release 07 2006 A5E00877780 01 ...
Страница 68: ...Commissioning 8 7 USB SIMATIC Panel PC 877 8 14 Operating instructions Release 07 2006 A5E00877780 01 ...
Страница 280: ...Glossary SIMATIC Panel PC 877 Glossary 10 Operating instructions Release 07 2006 A5E00877780 01 ...