I
NSTALLATION
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System 6844(RC) - V03.00
hopf
Elektronik GmbH
Nottebohmstr. 41
• D-58511 Lüdenscheid • Tel.: +49 (0)2351 9386-86 • Fax: +49 (0)2351 9386-93 • Internet: http://www.hopf.com • E-Mail: [email protected]
3.1.8 COM0 / COM1 Serial Interfaces Connection
The serial interfaces are assigned as follows:
SUB-D female Connector 25-pole
COM0
Pin
Assignment
1
n.c.
2
TxD RS232c
3
RxD RS232c
4
n.c.
5
n.c.
6
n.c.
7
0V
GND
8
n.c.
9
n.c.
10
n.c.
11
-TxD RS422 (low active)
12
+TxD RS422 (high active)
13
n.c.
14
n.c.
15
n.c.
16
n.c.
17
n.c.
18
n.c.
19
n.c.
20
n.c.
21
n.c.
22
-RxD RS422 (low active)
23
+RxD RS422 (high active)
24
n.c.
25
n.c.
SUB-D female Connector 9-pole
COM1
Pin
Assignment
1
GND
2
TxD RS232c
3
RxD RS232c
4
+RxD RS422 (high active)
5
-RxD RS422 (low active)
6
n.c.
7
n.c.
8
-TxD RS422 (low active)
9
+TxD RS422 (high active)
n.c.:
not connected
3.1.9 DCF77 Antenna Simulation (77.5kHz) Connection
The antenna cable of the DCF77 System
to be synchronized is connected to the System’s
BNC socket marked
"DCF-Sim"
. A type RG59 coaxial cable is recommended as standard
for the connection between
hopf
_
Systems.
3.1.10 Function Boards Connection / Input- and Output Modules
The necessary steps to connect the Function Boards should be consulted in the respective
technical specifications of the Function Boards present in the system.
