FirePro® Sigma XT+ ECU

The Sigma XT+ ECU coincidence unit has two fully monitored inputs for connection to fire detection control equipment or addressable control modules to provide an EN12094-1 , EN54-2 and EN54-4 compliant extinguishant control system.

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Overview
Resources

The Sigma XT+ ECU coincidence unit has two fully monitored inputs for connection to fire detection control equipment or addressable control modules to provide an EN12094-1 , EN54-2 and EN54-4 compliant extinguishant control system.
Its many programmable features and extensive range of inputs and outputs make the Sigma XT+ ECU coincidence unit suitable for all extinguishing applications where a fully featured control device is required.
Among the many features of the Sigma XT+ ECU are serially connected status units for reduced wiring and reduced installation cost, dual extinguishant outputs that may be configured for main/reserve applications and a countdown timer which displays the time until discharge of the extinguishant in seconds.
All units are independently configurable via a simple, code based programming interface to suit the desired application.

Features

Approved to EN12094-1, EN54-2 and EN54-4
Dual extinguishant outputs
First and second stage sounder outputs
First and second stage relay contacts
Main reserve facility
Serial connection to status units
Discharge countdown time indicator

Specification

Product Code	K21001M2
Size	385mm(W) x 310mm(H) x 110mm(D)
Construction	1.2mm mild sheet steel
IP Rating	IP30
Finish	Epoxy powder coated
Colour - lid & box	BS 00 A 05 grey - fine texture
Colour - controls plate & labels	RAL 7047 light grey - satin
Weight	7kg
Areas	1
Mains supply	230V AC, 50Hz +10% - 15% (100 Watts max.)
Mains supply fuse	1.6 Amp ( F1.6A L250V)
Power supply rating	5.25 Amps total including battery charge 28V +/- 2V
Maximum ripple current	200 millivolts
Battery type	12 Volt sealed lead acid
(Yuasa NP)	in series
Maximum Battery Capacity within Enclosure	Yuasa 7Ah
Battery charge voltage	27.6VDC nominal (temperature compensated)
Battery charge current	0.7A maximum
Battery fuse	20mm, 3.15A glass
Current draw in mains fail condition	54 milliamps
Maximum current draw from batteries	4 Amps
Aux 24V output	Fused at 500mA with electronic fuse
1st and 2nd stage Sounder outputs	21 to 28V DC Fused at 1A with electronic fuse
Fault relay contact rating	5 to 30VDC 1A Amp maximum for each
Fire relay contact rating	5 to 30VDC 1A Amp maximum for each
Local fire relay contact rating	5 to 30VDC 1A Amp maximum for each
First stage contact rating	5 to 30VDC 1A Amp maximum for each
Second stage contact rating	5 to 30VDC 1A Amp maximum for each
Extract contact rating	5 to 30VDC 1A Amp maximum for each
Zone quiescent current	0mA minimum, 2mA maximum
Terminal capacity	0.5mm2 to 2.5mm2 solid or stranded wire
Number of sounders per circuit	Dependent on type and current consumption
Monitored input end of line	6K8 +/- 5% ½ Watt resistor
Sounder circuit end of line	10K +/- 5% ¼ Watt resistor
Extinguishant output end of line	1N4004 Diode
Extinguishant release output	21 to 28V DC. Fused at 1 Amp
Extinguishant release delay	Adjustable 0 to 60 seconds (+/- 10%)
Extinguishant release duration	Adjustable 60 to 300 seconds
Monitored inputs normal threshold	(Allowable EOL) 10K ohm to 2K ohm
Monitored inputs alarm threshold	2K ohms to 150 ohms +/- 5%
Monitored inputs Short circuit threshold	140 ohms to 0 ohms +/- 5%
Status unit/Ancillary board connection	Two wire RS485 connection (EIA-485 specification)
Status unit power output	21 to 28V DC, Fused at 500mA with electronic fuse
Extract contact rating	5 to 30VDC 1A Amp maximum for each
Zone quiescent current	0mA minimum, 2mA maximum
Terminal capacity	0.5mm2 to 2.5mm2 solid or stranded wire
Number of detectors per zone	Dependent on type - typically 20
Number of sounders per circuit	Dependent on type and current consumption - typically 20+
Detection circuit end of line	6K8 +/- 5% ½ Watt resistor
Monitored input end of line	6K8 +/- 5% ½ Watt resistor
Sounder circuit end of line	10K +/- 5% ¼ Watt resistor
Extinguishant output end of line	1N4004 Diode
No. of detection circuits	Two to eight. 21 to 28V DC
No. of sounder circuits	Dependent on model 21 to 28V DC
Extinguishant release output	21 to 28V DC. Fused at 1 Amp
Extinguishant release delay	Adjustable 0 to 60 seconds (+/- 10%)
Extinguishant release duration	Adjustable 60 to 300 seconds
SIL, AL, FLT, RST inputs	Switched -ve, min resistance 0 ohms, max resistance 100 Ohms
Zone normal threshold (Allowable EOL)	10K ohm to 2K ohm
Detector alarm threshold	1K ohms to 390 ohms
Call point alarm threshold	370 ohms to 150 ohms
Short circuit threshold	130 ohms to 0 ohms
Head removal condition	15.5 to 17.5 volts
Cabling	FP200 or equivalent (max capacitance 1uF max inductance 1 mH
Monitored inputs normal threshold (Allowable EOL)	10K ohm to 2K ohm
Monitored inputs alarm threshold	2K ohms to 150 ohms +/- 5%
Monitored inputs Short circuit threshold	140 ohms to 0 ohms +/- 5%
Status unit/Ancillary board connection	Two wire RS485 connection (EIA-485 specification)
Status unit power output	21 to 28V DC. Fused at 500mA with electronic fuse

Files

ECU.pdf

Download File

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