I
NSTALLATION
System 6844(RC) - V03.00
39 / 157
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]
3.2.6 COM0 / COM1 Serial Interfaces Connection
The serial interfaces are assigned as follows:
SUB-D male con-
nector 9-pole
C
O
M
0
Pin
Assignment
1
n.c.
2
RxD RS232
3
TxD RS232
4
n.c.
5
GND
6
+TxD RS422 (high active)
7
-TxD RS422 (low active)
8
+RxD RS422 (high active)
9
-RxD RS422 (low active)
SUB-D male con-
nector 9-pole
C
O
M
1
Pin
Assignment
1
n.c.
2
RxD RS232
3
TxD RS232
4
n.c.
5
GND
6
+TxD RS422 (high active)
7
-TxD RS422 (low active)
8
+RxD RS422 (high active)
9
-RxD RS422 (low active)
n.c.:
not connected
3.2.7 Error Relays Connection
SUB-D male con-
nector 9-pole
E
rro
r R
ela
ys
Pin
Assignment
1
n.c.
2
PWR - REL2 Common contact (c)
3
PWR - REL2 Normally open contact (no)
4
n.c.
5
GND
6
PWR - REL2 Normally closed contact(nc)
7
SYNC - REL1 Normally closed contact (nc)
8
SYNC - REL1 Common contact (c)
9
SYNC - REL1 Normally open contact (no)
PWR
= Power / Operation
–
SYNC
= Synchron
3.2.8 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.
DCF77 antenna simulation (77.5kHz) is not available in system 6844RC
with installed LAN management module
3.2.9 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.
