Aritech 1X-E4 Series, Installation Manual

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Chapter 5: Technical specifications
1X-E4 Series Installation Manual 73
Table 27: Automatic and manual zone specifications
Standard / active
end-of-line
EN 54-13 Intrinsically safe
[1]
Resistance per zone circuit 55 Ω max. 50 Ω max. 55 Ω max.
Capacitance per zone circuit 500 nF max. 500 nF max. 500 nF max.
Nominal alarm impedance 100 to 680 Ω
±
5% 100 to 520 Ω
±
5% 250 to 560 Ω
±
5%
Alarm reference range
Zone voltage
Zone impedance
3 to 14 V
75 to 680 Ω
3.1 to 16.9 V
90 to 900 Ω
12.8 to 17 V
160 to 900 Ω
Short circuit reference range
Zone voltage
Zone impedance
< 3 V
< 55 Ω
< 3.1V
< 50 Ω
< 11.9 V
< 80 Ω
Open circuit reference range
Zone impedance
Zone device current draw
Zone voltage
> 8 kΩ
≤
2.6 mA
20.6 to 23.5 V
N/A
N/A
19.2 to 23.5 V
> 11 kΩ
< 1.81 mA
> 21.3 V
High impedance fault N/A 16.9 to 17.2 V N/A
[1] Values are referenced to the IS zone input terminals
Input and output specifications
Table 28: Unsupervised inputs
Cable resistance
Activation input value
Deactivation input value
≤
9k Ω ±10%
> 9k Ω ±10%
Input type Unsupervised, activated with a passive
impedance (usually a relay contact)
Sourced current 1 mA max. (for activation with short circuit
contact)
Voltage between terminals 28 V max. (for deactivation with open circuit)
Table 29: Supervised inputs
[1]
Cable resistance
Short circuit
Active [2]
High-impedance fault
Standby
Open circuit
≤ 220 Ω
< 220 Ω to 8 kΩ
< 8 kΩ to 10 kΩ
< 10 kΩ to 20 kΩ
> 20 kΩ
Sourced current 1 mA max. (for activation with short-circuit
contact)
Voltage between terminals 28 V max. (for deactivation with open circuit)
[1] Fire routing acknowledgement inputs
[2] For EN 54- 13 compliance, the active impedance should be from 220 Ω to 3.9 kΩ