Required Accessories - Siemens CKA4820 Betriebsanleitung

Siemens Building Technologies
Fire Safety & Security Products

Required accessories

Control line: at least 3-core cable; max. permissible length approx. 10 m with
0.8 mm conductor diameter.
Two 9-pin Sub-D sockets with housing.
When connecting the CKA4820 to the SIMATRIX 648/SYS via the RS232
interface, the power supply to the control unit is always from a separate power
supply unit.
It must be guaranteed that the control unit is powered with DC 12 V +10 %, -15 % (SELV).
Required settings (SW401) for use of output COM1A as RS232 interface
OFF
2 5
Parameter menu
-> Interface adjustment
Fig. 9 Example: setting and parameterization with SIMATRIX RS232
connection (COM-X)
Interface adjustment (SIMATRIX COM default)
Baud rate: 19200
Parity: even
Interface adjustment
-> Mode COM1 -> SIMATRIX RS232
System Design
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01.2005