RS232 PRINTER DRIVE MODULE
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
DC INPUT CARD
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
POWER SUPPLY UNITS
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
