Autronica AutroSafe Maritime Gas Detection - Table of Contents

System Description and Operation, AutroSafe Maritime Gas Detection, 116-P-BS420MG/XGB, Rev. E, 2019-12-10,
Autronica Fire and Security
Table of Contents
1. Introduction ...................................................................... 1
1.1 About the Handbook .......................................................................... 1
1.2 The Reader ....................................................................................... 1
1.3 Reference Documentation................................................................. 1
2. Terms, Abbreviations/Acronyms and Definitions ......... 2
3. Brief Introduction ............................................................. 3
4. General Description ......................................................... 5
4.1 AutroSafe Maritime Gas Detection .................................................... 5
4.2 Distributed System Topology ............................................................ 5
4.2.1 System Architecture ................................................................ 5
4.2.2 AutroNet .................................................................................. 7
4.2.3 AutroFieldBus .......................................................................... 8
4.3 Response Time ................................................................................. 8
4.4 Configuration ..................................................................................... 8
4.5 Communication to External Systems ................................................ 9
4.5.1 Modbus Protocol Communication for C&E Data to Control
System .................................................................................... 9
4.5.2 AutroSafe AutroCom Protocol ................................................. 9
4.6 PowerLoop (BSD-340) ...................................................................... 10
4.7 Detectors and Field Devices ............................................................. 11
4.7.1 Gas Detectors ......................................................................... 11
4.8 PowerLoop Driver BSD-340 .............................................................. 11
4.8.1 Description .............................................................................. 11
4.8.2 Overview ................................................................................. 12
4.8.3 Connections ............................................................................ 12
4.8.4 Earthing and Shielding ............................................................ 13
4.8.5 Capacity / Limitations .............................................................. 13
4.9 AutroPoint Maritime Gas Detectors ................................................... 14
4.10 PowerLoop 4-20 mA Input Unit BN-342 ............................................ 14
4.10.1 Description .............................................................................. 14
4.10.2 Versions .................................................................................. 14
4.10.3 Overview ................................................................................. 15
4.10.4 Connection – Current Source ................................................. 15
4.10.5 Connection – Current Sink ...................................................... 16
4.11 Outputs .............................................................................................. 16
4.11.1 Programmable Digital Outputs in Panel (BSJ-310
Module) ................................................................................... 16
4.11.2 Programmable EOL Monitored 24VDC Outputs (BSB-
310) ......................................................................................... 16
4.12 Inputs ................................................................................................. 17
4.12.1 BSE-310 .................................................................................. 17
4.12.2 BSE-320 .................................................................................. 17
4.13 AutroMaster Application/Description ................................................. 18
5. Gas Functionality ............................................................. 20
5.1 Inhibit Point ........................................................................................ 20