Connection Of Siemens Csxc1601 Multiplexer To Com1 - Siemens CKA4820 Betriebsanleitung

System Design
5.2

Connection of SIEMENS CSXC1601 Multiplexer to COM1

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Siemens Building Technologies
Fire Safety & Security Products
A Siemens CSXC1601 multiplexer can be directly controlled via the control unit
interface COM1.
Fig. 10 SIEMENS CSXC1601 multiplexer
Required accessories
RS232 cable: 3-core shielded, maximum permissible length 10 m.
9-pin Sub-D plug with housing.
It must be guaranteed that the control unit is powered with DC 12 V +10 %, -15 % (SELV).
Required settings (SW401) for use of the COM1A output as RS232 interface
OFF
2 5
Parameter menu
-> Interface adjustment
Fig. 11 Example: setting and parameterization with connection of Siemens
multiplexer to COM1
Interface adjustment (CSXC1601 default)
Baud rate: 1200
Parity: none
COM2 COM1B
Interface adjustment
-> Mode COM1 -> SIEMENS CSXC1601
Multiplexer
RS232
12 V
200 mA
COM1A
Power
supply unit
01.2005