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Typical SYSTEM 57 Application Sectors
Source: | Author:kongjiang | Published time: 2022-09-14 | 215 Views | Share:

CONTROL CARDS The new generation System 57 control cards provide display and alarm facilities for the full range of Sieger gas detectors. 

Their concise, backlit, multi-part LCD displays the gas reading and status in both analogue bargraph and digital numeric forms. In addition, there is an alpha-numeric message section to give sensor (and engineering function) status. General

● 3 levels of alarm 

● Individual, zoned, voted, master, time delayed, update and rate of rise alarm facilities 

● Clear 4 part display 

● Peak reading capability 

● Sensor performance monitoring


This provides a single channel control function within a 1“ wide package. 

● Independant single channel operation 

● Plug-in input and output options


This provides four channels of control function within a 1“ wide package. 

● 4-Channel operation ● Choice of output options ● Channel displayed: automatic sequencing, highest reading or combination or manual channel display selection options


The System 57 engineering card provides full maintenance and set up facilities for each channel card. 

The front panel has a series of tactile feedback pushbuttons that allow checks of the alarm levels and performance to be carried out for each channel. A real time ‘on board’ clock provides calibration history and calibration overdue reminder functions. ● Security protected 

● User friendly operation 

● Calibration facility 

● Command accept/abort facility 

● Channel card setup capability


The serial communications module provides a gateway between the System 57 rack and a remote device (DCS, PLC or SCADA package) to allow the continuous monitoring of each channel’s operation and condition as well as allowing remote configuration of the system operation. 

● Industry standard MODBUS protocol 

● RS485/422/232 standard 

● Bi-directional 

● Isolated communications drivers 

● SCADA graphics package available


The printer module provides a serial output in the event of a gas alarm, fault or user intervention. 

● RS232 ASCII event data ● Selectable print criteria ● Time and date stamping ● Isolated communications driver ● Rack mounted printer option

ALARM UPDATE MODULE The alarm update module provides a common alarm indication with new alarm event update. 

● 2 outputs: 1 relay, 1 Darlington 

● Selectable operation: pulsed, continuous 

● Alarm accept input 

● Common alarm reset input 

● Complies with ISA ‘’M’’, DIN 19 235 

● Optional update communication panel

INTERFACE CARD The interface card provides the link between the sensors and the control cards and is available in 7 versions (5 for 5701, 2 for 5704), with various relay output options. 

● Sensor interface ● Relay options ● Individual control card power option ● High integrity operation option ● Accepts ≤ 2.5mm / 14 gauge cable


The DC input card provides the connection point for power supplied to the whole rack. 

The field wiring from the engineering card modules is also on this card. 

● Common power supply wiring point ● Reverse polarity and short circuit protection ● Multi-supply input capability


The power supply units are rack mounted to complement the System 57 systems. 

● 1U high, 19“ & 1/2 19“ units ● Upgradeable ● Auto sensing input voltage; AC or DC ● Regulated DC output ● Over voltage and overload protected