Control Unit Connected To Simatrix Rs232 Interface (Com-X) - Siemens CKA4820 Betriebsanleitung

System Design
5.1.2

Control Unit Connected to SIMATRIX RS232 Interface (COM-X)

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Siemens Building Technologies
Fire Safety & Security Products
Required settings (SW401) for use of output COM1B as TTY interface:
OFF
3 6
Parameter menu
-> Interface adjustment
Fig. 7 Example: setting of connection to SIMATRIX interface (Term.x)
Interface adjustment (SIMATRIX Term default)
Baud rate: 2400
Parity: even
To enable data transfer, the control unit can be connected via the RS232 interface
to the communications interface (COM-X) of the SIMATRIX 648/SYS.
Connect control unit to SIMATRIX
Connect the CKA4820 to the communications interface (COM-II, COM-III, COM-IV)
of the SIMATRIX 646/SYS via the control unit interface COM1A.
CKA4810
COM1A
Received data RD 2
Transmitted data TD 3
Signal ground 5
Fig. 8 Connection of Control Unit CKA4820 to a SIMATRIX RS232 interface
(COM-X)
Interface adjustment
-> Mode COM1-> SIMATRIX TTY
COM-X
COM2
SIMATRIX 648/SYS
COM-II, COM-III,
COM-IV
2 Received data RD
3 Transmitted data TD
5 Signal ground
SIMATRIX
RS232
12 V
200 mA
COM1B COM1A
Power
supply unit
01.2005