Front Mounted Rs 232 Serial Interface/Serial Operating Cable - Endress+Hauser memo-graph Version II Betriebsanleitung

Digital board I
451 Relay 9, Contact 1
452 Relay 9, Contact 2
551 Relay 10, Contact 1
552 Relay 10, Contact 2
651 Relay 11, Contact 1
652 Relay 11, Contact 2
Interfaces (rear mounted):
Sub-D connector to DIN 41652, socket, 9 pin
Hint: Do not connect unused pins.
Pin RS 232
2 TxD
3 RxD
4
5 GND
8
9
Housing Screen
Pin layout for cable connection from the rear mounted RS232 interface to a PC or
modem:
9 pin
Signal RS232 at
unit
TxD 2
RxD 3
GND 5
Screen Housing
Digital board II
A51 Relay 15, Contact 1
A52 Relay 15, Contact 2
B51 Relay 16, Contact 1
B52 Relay 16, Contact 2
C51 Relay 17, Contact 1
C52 Relay 17, Contact 2
RS 422
TxD (+) RxD/TxD (+)
RxD (+)
GND
TxD (-) RxD/TxD (+)
RxD (-)
Screen
9 pin 25 pin
RS232 at RS232 at
PC PC
2 3
3 2
5 7
(Housing) (Housing)
4. Installation/connection/setting up
RS 485 PROFIBUS DP
RXD/TXD (+)
RxD/TxD (-)
Screen Screen
9 pin 25 pin
RS232 at RS232 at
modem modem
3 2
2 3
5 7
(Housing) (Housing)
4.4 Front mounted
RS 232 serial
interface/serial
operating cable
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