APCI-7xxx-3
Pin
RS 232
20
TxD
19
RxD
18
GND
39
RTS
38
CTS
59
DCD
58
DSR
78
DTR
77
RI
Pin
RS 232
75
TxD
76
RxD
57
-
74
GND
56
RTS
55
CTS
37
DCD
36
DSR
17
DTR
16
RI
Tabelle 7-3: Pinbelegung der Schnittstelle 1
RS 422
RS 485
RA
Tx / Rx +
TB
TA
100 Ω
120 Ω
Rab
RB
Tx / Rx -
Tabelle 7-4: Belegung der Schnittstelle 2
RS 422
RS 485
RA
Tx / Rx +
TB
TA
100 Ω
120 Ω
Rab
RB
Tx / Rx -
Anschluss an die Peripherie
RS422PEP
Rx+
+RCV-CL-DATA
Tx-
-XMIT-CL-DATA
GND
GND
RTS-
Tsource
RTS+
Rsource
Tx+
+XMIT-CL-DATA
CTS+
CTS-
RX-
-RCV-CL-DATA
RS422PEP
Rx+
+RCV-CL-DATA
Tx-
-XMIT-CL-DATA
GND
GND
RTS-
Tsource
RTS+
Rsource
Tx+
+XMIT-CL-DATA
CTS+
CTS-
RX-
-RCV-CL-DATA
Current Loop
Current Loop
35