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Orion ISS
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64
CONNECTING ALARM LOOPS
Any fire / intrusion detectors intended to be powered by a DC power supply can be included into the
Signal-10 alarm loops provided that fire detectors have the values of internal resistance at Fire mode
no more than 2.7 k
Ω
for normally open detectors and at least 3.2 k
Ω
for normally closed detectors.
An intrusion alarm loop must meet the following requirements:
−
The wire resistance without regard to termination resistor must not exceed 1 k
Ω
−
The leakage resistance between loop wires or between each wire and the earth must be at
least 20 k
Ω
A fire alarm loop must meet the following requirements:
−
The wire resistance without regard to termination resistor must not exceed 100
Ω
−
The leakage resistance between loop wires or between each wire and the earth must be at
least 50 k
Ω
Following are some examples for including various detectors into alarm loops of different types.
Including Detectors into Fire Smoke Alarm Loops of the Type 1
D1: A smoke detector
Ra: An additional resistance of 1.5 ÷ 2.4 k
Ω
Rt: 4.7 k
Ω
Figure 4. Detectors into a Fire Loop of the Type 1 Connecting Diagram
When all the detectors will be wired and connected to the relative Signal-10 contacts, test the loop.
Ensure that confirmed actuation of a single detector causes the loop to get the Fire Prealarm status,
while actuation of two ones causes the loop to get the Fire Alarm status. Light and sound indication of
the Signal-10 device must be in accordance with that described in Table 8. The network controller
must display the relative messages from the Signal-10 device (see Transmitting Messages to a Net-
work Controller section of this Manual).
Otherwise, if the test fails, the values of additional resistances have to be corrected.
lo o p +
lo o p -
R a
R a
D 1
D 1
R t
Содержание Signal-10
Страница 1: ...Orion ISS Intrusion and Fire Alarm Panel Signal 10 User s Manual ...
Страница 5: ...Signal 10 General 5 www bolid com GENERAL ...
Страница 8: ...Orion ISS www bolid com 8 ...
Страница 9: ...Signal 10 Specifications 9 www bolid com SPECIFICATIONS ...
Страница 13: ...Signal 10 Operation Principles 13 www bolid com OPERATION PRINCIPLES ...
Страница 59: ...Signal 10 Installation 59 www bolid com INSTALLATION ...
Страница 61: ...Signal 10 Installation 61 www bolid com Figure 2 Signal 10 Overall and Mounting Dimensions ...
Страница 68: ...Orion ISS www bolid com 68 Figure 10 Measuring Alarm Loop Resistances by Means of UProg ...
Страница 69: ...Signal 10 Installation 69 www bolid com ...
Страница 70: ...Orion ISS www bolid com 70 PROGRAMMING ...
Страница 90: ...Orion ISS www bolid com 90 MAINTENANCE ...
Страница 95: ...Signal 10 Annex Current Consumption Estimation 95 www bolid com ...
Страница 96: ......