Autronica AutroSafe - RS-485 Connections to Terminal Block; RS-422 Connections to Terminal Block; RS-232 Connections to Terminal Block

Connecting External Cables
asafeinstall_dgb, AutroSafe Interactive Fire Detection System, Release 4,
116-P-ASAFE-INSTALL/DGB, Doc-1004796-2, 2021-08-23, Autronica Fire and Security AS
Page 46
10.7 RS-485 Connections to Terminal Block, List L1
Twisted pair, shielded cable is required.
Maximum 100 Ohm resistive loss.
Maximum total length 1200m.
Maximum cable capacitance 150 nF.
L1.4
L1.6
L1.16
RS-422/RS485 A+
RS-422/RS485 B-
Serial Reference
RS485 A+
RS485 B-
Serial Reference
Terminal block list L1
RS-485
10.8 RS-422 Connections to Terminal Block, List L1
J3.4
J3.6
J3.8
J3.10
J3.16
RS-422/RS485 A+
RS-422/RS485 B-
RS-422 X+
RS-422 Z-
Serial Reference
RS-422 A+
RS-422 B-
RS-422 X+
RS-422 Z-
Serial Reference
RX TX
TX RX
Schematic of port equivalent:
TX_422_X+
Isolation
TX_422_Z-
RX_422_A+
RX_422_B-
Signal Reference
+5v_SER_0
8
10
4
6
16
The protection shown in the schematic of port equivalent above is made
for 1kV High Energy Surge. In addition, the connection is protected
against wrong connections between Serial Reference and other signals
(X->Signal ref, Z->Signal ref, A->Signal ref, B->Signal ref) for voltage up
to 29V DC.
10.9 RS-232 Connections to Terminal Block, List L1
L1.12
L1.14
L1.16
RS-232 TX
RS-232 RX
Serial Reference
Terminal block list L1
RS-232
RS-232 TX
RS-232 RX
Serial Reference