Multiplexer Connected Directly To Control Unit - Siemens CKA4820 Betriebsanleitung

Operation
7.8

Multiplexer Connected Directly to Control Unit

94
Siemens Building Technologies
Fire Safety & Security Products
1
Fig. 28 Multiplexer connected directly to control unit
In this mode, the SIEMENS CSXC1601 multiplexer is connected directly to the
control unit interface (COM1A).
No data are sent via the telemetry interface.
The following menu settings are required:
Addressing (basic parameters/device address S1):
set control unit address.
Baud rate (basic parameters/baud rate S1):
set "1200".
Parity (basic parameters/parity S1):
set "none".
Mode (interface settings/COM1 mode):
set "SIEMENS CSXC1601".
Refer to the Instruction Manual of the SIEMENS CSXC1601 multiplexer for setting the baud rate,
address and protocol.
2
VCR
COM2 COM1B
16
Multiplexer
RS232
12 V
200 mA
COM1A
Power
supply unit
01.2005