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Fire Alarm Control Panel IQ8Control C / M
FB 798951.10.GB0 / 04.15
87
8.3 Serial interface module
8.3.1 RS 232 / TTY module
This module provides either a serial RS 232 or TTY interface (20mA) for exchanging data with external devices
connected. Assignment of the serial interface type is programmed with the service PC and software tools 8000.
You may enter a specific additional text comprising 25 characters per line for output on the display and protocol
printer.
X1
D 16
D 17
D 18
D 19
BR 4
V24
TTY
RxD
TxD
Tx
Rx
RS 232 / TTY module
BR 3
Fig. 77: RS 232 / TTY module
X 1
64-way plug connector to micro module slot of the Basic module, Field device module or
Extension module
BR 3
open – do not alter factory settings
BR 4
Solder jumper for activating control LED D16 to D19. Factory setting (jumper = open)
should only be altered for testing the interface as a result of the higher level of current
required by the LED
D 16, D 17
Control LED for data communication with RS 232 interface (observe BR 4)
D 18, D 19
Control LED for date communication with TTY interface (observe BR 4)
1
2
3
4
5
6
7
8
not used
RxD (receive)
Data GND (potential free)
TxD (transmitt)
RxD
TxD
Data
GND
external device
not used
not used
not used
not used
Fig. 78: Assignment of terminal card RS232 module
Max. cable length for RS 232 is 15 m, recommended cable: I-Y (St) Y x 2 x 0.8 mm
Observe permitted torque (max. 0.4 Nm) of the terminals!