Ios 0020 A 20 Ma Communication Module - Bosch FPA-5000 System Information Manual

Modular Fire Panel
4.9.8 IOS 0020 A 20 mA Communication Module
The 20 mA communication module has an S1 interface, an RS232 interface (e.g. for
connecting a printer) and an S20 interface (20 mA). The FAT 2002 Fire Service Display Panel
or the THP 2020 A Thermal Printer is connected to the S20 interface. The Plena Voice Alarm
System can be connected via the RS232 interface.
Figure 4.62: IOS 0020 A 20 mA Communication Module
Labeling
S1 IN | S1 OUT
TX - | TX + | RX + | RX -
AUX - | AUX +
RXD | TXD | GND
Assignment of DSUB 9 Plug
5
Figure 4.63: DSUB 9 plug
PIN no.
2
3
5
The technical data can be found in IOS 0020 A 20 mA Communication Module, page 153.
Bosch Sicherheitssysteme GmbH
Connection
S1 interface
S20 interface (20 mA interface)
Power supply +24 V DC/max. 1.3 A
RS232 interface
4 3 2 1
9 8 7 6
Connection
TxD0
RxD0
GND
System Information
Installation | en 111
09.2017 | 11.3 | F.01U.028.089