System 57 Quick Start Guide    05701-M-5026 MAN0839 Issue 1 
1 Contents 
 
1 Contents............................................................................................................................... 1 
2 Safety................................................................................................................................... 2 
3 Introduction .......................................................................................................................... 3 
3.1 Gas Control Cards......................................................................................................... 3 
3.2 Fire Control Cards ......................................................................................................... 3 
3.3 Master Alarm Update Panel .......................................................................................... 3 
3.4 Power Supply Units ....................................................................................................... 3 
3.5 Engineering Card .......................................................................................................... 4 
3.5.1 Serial Communications Module .............................................................................. 4 
3.5.2 RS232 Printer Driver Module.................................................................................. 4 
3.5.3 Master Alarm Update Module ................................................................................. 4 
3.6 Interface Cards.............................................................................................................. 4 
3.7 Rack Assemblies........................................................................................................... 4 
3.8 Cabinet Assemblies....................................................................................................... 4 
3.9 DC Input Card ............................................................................................................... 5 
4 System Overview ................................................................................................................. 6 
5 Cabinet and Rack Installation .............................................................................................. 7 
6 Detector Installation ............................................................................................................. 7 
7 Interface Card Connections ................................................................................................. 8 
8 Detector Connections .......................................................................................................... 9 
8.1 Cable Earthing/Grounding............................................................................................. 9 
8.2 5701 Gas Card and Catalytic Type Detector................................................................. 9 
8.3 5701 Gas Card and 2 Wire Loop Powered Detectors ................................................... 9 
8.3.1 4-20mA loop powered detector (measuring resistor in supply return) .................. 10 
8.3.2 4-20mA loop powered detector (measuring resistor in supply positive line)......... 10 
8.4 5701 Gas Card and 3 Wire 4-20mA Transmitter......................................................... 10 
8.4.1 3 Wire Source Transmitter (sink card) .................................................................. 11 
8.4.2 3 Wire Sink Transmitter (source card) .................................................................. 11 
8.5 5704 Gas Card and Catalytic Type Detector............................................................... 12 
8.6 5704 Gas Card and 2 Wire Loop Powered Detectors ................................................. 12 
8.6.1 4-20mA loop powered detector (measuring resistor in supply return) .................. 12 
8.7 5704 Gas Card and 3 Wire 4-20mA Transmitter......................................................... 13 
8.8 5704 Fire Card ............................................................................................................ 14 
8.8.1 Line Resistance .................................................................................................... 14 
8.8.2 Typical Loop Powered Detector Connections....................................................... 15 
8.8.3 Typical Loop Powered Detector with IS Barrier Connections ............................... 15 
8.8.4 Separately Powered Detectors ............................................................................. 16 
8.8.5 Call Points and Simple Switched Output Detectors.............................................. 17 
8.8.6 Detectors with Voltage Free Contact Outputs ...................................................... 18 
9 Specification....................................................................................................................... 20 
9.1 Approvals and Standards ............................................................................................ 20 
9.2 Environmental ............................................................................................................. 21 
9.3 RFI/EMC Conformity ................................................................................................... 21 
10 Special Conditions For Safe Use. .................................................................................... 22 
 
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