User guide

System Hardware
System Description, AutroSafe Integrated Fire & Gas Detection System, 116-P-ASAFE-IFG/XE Rev. B, 2005-10-27,
Autronica Fire and Security AS
Page 31
4.8.3 Connections
All connections are made to plug-in screw terminals numbered 1-32.
Terminal Function
1 AutroFieldBus A
2 AutroFieldBus A’
3 AutroFieldBus CT A
4 AutroFieldBus Earth Fault Sense
5 RX RS422_A+ Port 1
6 RX RS422_B- Port 1
7 TX RS422_X+ Port 1
8 TX RS422_Z- Port 1
9 AutroFieldBus B
10 AutroFieldBus B’
11 AutroFieldBus CT B
12 AutroFieldBus Earth Fault Sense
13 TX RS232 Port 1
14 RX RS232 Port 1
15 Signal Reference Port 1
16 Instrument Earth Port 1
17 RX RS422_A+ Port 0
18 RX RS422_B- Port 0
19 TX RS422_X+ Port 0
20 TX RS422_Z- Port 0
21 TX RS232 Service port
22 RX RS232 Service port
23 RS232 Service port Signal Reference
24 No connection
25 TX RS232 Port 0
26 RX RS232 Port 0
27 Signal Reference Port 0
28 Instrument Earth Port 0
29 +24V Input
30 0V Input
31 Instrument Earth Common
32 Protective Earth Common