Loop protocol

Protec Algo-tec™ 6000 MX1

Loop isolator fitted

Yes, on board (consult Protec DEL2110 for details)

Loop voltage range

18 to 28V peak loop

Number of loop addresses used

2 maximum, user and build configurable

24V Auxiliary input voltage range

18 to 28V dc

Environmental operational limits

-10 to 50ºC (maximum 95% RH no condensation or icing)

Loop quiescent current (24V loop peak)

1.6mA + zone end of line current + zone loading

Loop alarm current (average)

18mA

Zone short circuit current (24V)

26mA peak ± 2mA

Zone end of line requirements (I/P 1 & I/P 2)

Resistive - 8.2k ±5% ¼W, Capacitive - 100μ F ±20% in series with 22Ω ±5% ¼W

Input cabling requirements

Maximum cable resistance 6Ω per conductor
Maximum cable capacitance 0.2μ F between cable conductors

Monitored input end of line details

End of line resistor value 47kΩ 1/4W ±5%

Monitored input short circuit threshold

Below 230Ω

Monitored input fire threshold

Below 7.85kΩ

Monitored input pre-alarm threshold

Below 32kΩ ( Input 3 only )

Monitored input open circuit threshold

Above 111kΩ

Clean contact output details

1 Single pole changeover rated for 2A maximum at 24V dc ( non inductive )
1 Single pole changeover rated for 5A maximum at 230V ac ( non inductive )

Weight

245g ( including din rail housing, no backbox, 4 way build )

LED Indicator

Use only high brightness LED (Protec stock code: NK 02-676-46)