Bosch FPA-5000 - IOS 0020 a 20 Ma Communication Module

Modular Fire Panel Installation | en 111
Bosch Sicherheitssysteme GmbH System Information 09.2017 | 11.3 | F.01U.028.089
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 Connection
S1 IN | S1 OUT S1 interface
TX - | TX + | RX + | RX - S20 interface (20mA interface)
AUX - | AUX + Power supply +24VDC/max. 1.3A
RXD | TXD | GND RS232 interface
Assignment of DSUB9 Plug
5 4 3 2 1
9
8
7
6
Figure4.63: DSUB9 plug
PIN no. Connection
2 TxD0
3 RxD0
5 GND
The technical data can be found in IOS0020A 20mA Communication Module, page 153.