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Summary of Contents for Aritech 900 Series
- Page 1 900 Series Installation Guide Revision 5.1: February 2000...
- Page 2 Aritech is a trademark of SLC Technologies B.V. COPYRIGHT © SLC Technologies B.V. 2000. All rights reserved. SLC Technologies B.V. grants the right to reprint this document for internal use only. SLC Technologies B.V. reserves the right to change information without notice.
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Page 3: Table Of Contents
Fire monitors ..........................34 4.4.1. Installation ........................34 4.4.2. Mounting bases .......................34 Marine products – 950M Series ......................35 Loop load calculations ........................35 6.1. General ............................35 6.2. Calculation procedure for DC voltages ..................35 6.2.1. Standby current .......................36 900 Series V5.1: Installation Guide, February 2000... - Page 4 6.2.2. Alarm current........................37 6.2.3. Loop resistance .......................37 6.2.4. Calculation........................38 Index 39 900 Series V5.0: Installation Guide, April 1999...
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Page 5: Introduction
This manual explains how to install the Aritech Series 9xx range of analogue addressable fire monitors and Aritech Series 9xx monitoring controllers and input/output units. It includes some Aritech 900 Series, and all supported Aritech 950, 970 and 990 Series products. -
Page 6: Addressing
Each pip has an associated value, which is shown on the card: 1, 2, 4, 8, 16, 32, 64 (see Figure 1). Removing a pip makes this value valid, and remaining pips have a value of “0”. The address is the sum of the values of all removed pips. 900 Series V5.0: Installation Guide, April 1999... -
Page 7: Standard Products
The standard mounting base is a zero insertion force base with dual finger receptacles of stainless steel into which the detector terminals slide. You can connect cables up to 2.5 mm diameter using captive cable clamps. There are four double terminals and one single terminal: 900 Series V5.1: Installation Guide, February 2000... -
Page 8: Bases For Iu950 Isolators - Db951
When installing fire monitors in confined spaces, allow 110 mm from the surface for fitting and removal. The Aritech 950 Series mounting bases are designed such that the fire monitors do not fit the isolator mounting base and vice versa. The Series 900 range of fire monitors also does not fit the base of other Aritech range of monitors. -
Page 9: Isolator Base For 950/990 Series Monitors - Db960/Db961
The facility to drive a remote LED is retained by auxiliary output that mimics the detector's remote output. 900 Series V5.1: Installation Guide, February 2000... - Page 10 Annually check the supply voltage and the integrity of the wiring. This product is not field serviceable and must be replaced if any part is found to be defective. You can clean the external surface of the base with a damp cloth. 900 Series V5.0: Installation Guide, April 1999...
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Page 11: Manual Call Point - Dm960/Dm990
The address of a fire monitoring controller is set on a seven-segment DIL switch located on the device. Each segment of the switch must be set to “0” (ON) or “1” (OFF) using a small screwdriver or similar tool. Please refer to Table 1: Aritech Series 9xx products for address settings. -
Page 12: Loop Powered Beam Detector - Fd950
The amount of light registered by the receiver can be decreased by factors other than incipient fires, such as contamination of the receiver lens. To minimise the risk of unwanted alarms, the detector checks its status at 900 Series V5.0: Installation Guide, April 1999... - Page 13 • Does not use address • Can also be powered from 24 VDC supply • Polarity insensitive À Ã Beam detection interfaces 2-core Á Ä Control panel Remote LED Â Up to 20 devices 900 Series V5.1: Installation Guide, February 2000...
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Page 14: Zone Monitoring Unit - Ii955
The control panel activates the sounders. The sounder can be switched on in pulsed mode, 0.5 s on, 0.5 s off, or switched to operate in continuous mode with an alternating tone, 0.25 s 500 Hz, 0.25s 550 Hz. 900 Series V5.0: Installation Guide, April 1999... -
Page 15: Sounder Circuit Controller - Io956
To fault monitor the local supply, either: Normally closed voltage-free fault output contacts across ‘COM’ and ‘N/C’ Normally energised voltage-free fault output across ‘COM’ and ‘N/O’ with a wire link across ‘COM’ and ‘N/C’ 900 Series V5.1: Installation Guide, February 2000... -
Page 16: Input/Output Units
Four for the loop connections (incoming and outgoing) with two for the positive supply • One for the relay pole • One for the normally open contact • One for the normally closed contact • One unused terminal 900 Series V5.0: Installation Guide, April 1999... -
Page 17: Single Channel Input/Output Unit - Io950
Four for the power supply in and out • Three sets of six terminals, each providing • One relay pole, • One normally open contact • One normally closed contact • One logic input • One supply out 900 Series V5.1: Installation Guide, February 2000... -
Page 18: Mini Switch Monitoring Unit - Ii950
Maximum input capacitance: 200 nF 3.3.4. Mini Switch Monitoring Unit - II950 There are six wires for the loop connections, two for driving a remote indication and two for an external switch connection. 900 Series V5.0: Installation Guide, April 1999... - Page 19 4. A software controlled remote indicator (alarm LED) output is supplied. Connect an external LED to the remote outputs. During installation the device should be correctly orientated, if the LED needs to be visible. The LED output drives a standard Aritech remote indicator.
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Page 20: Mini Switch Monitoring Unit With An Interrupter - Ii951
4. A software controlled remote indicator (alarm LED) output is supplied. Connect an external LED to the remote outputs. During installation orientate the device correctly if the LED needs to be visible. The LED output drives the standard Aritech remote indicator. -
Page 21: Switch Monitor - Ii952
2. Connect the communication line to the L1 and L2 inputs. The inputs are unpolarised, but it is recommended to keep L1 negative for consistency. 3. Connect the switch contacts to the switch inputs. The switch input is monitored for open or short circuits. 900 Series V5.1: Installation Guide, February 2000... -
Page 22: Switch Monitor Plus - Ii953
The circuit diagram (Figure 16) shows a typical method of connection. Figure 16: Circuit for remote resetting +24V RLY1 R1 = 10 kOhm ¼ W D1 = 1N4007 TR1 – BC337 RLY1 = 24 VDC coil, 350 Ohm or greater 900 Series V5.0: Installation Guide, April 1999... -
Page 23: Din Rail Mounted Units
The power is automatically restored when the short-circuit is removed. The two isolator channels are not interconnected internally, and operate completely independently of one another. 900 Series V5.1: Installation Guide, February 2000... -
Page 24: Fire Monitoring Controllers
The Series 950 DIN-rail zone monitor is loop powered and operates at 14–28 VDC. Figure 18: Wiring connections (Zone monitor unit – DIN mount) Capacitor must be connected if active end-of-line is used Active 900 Series V5.0: Installation Guide, April 1999... - Page 25 (Refer to chapter 4: Intrinsically Safe Products - 970 Series). Manual call points can be located at any point in the zone wiring if active end-of-line monitoring with diode detector bases are used. If a 6.2k Ohm 1/3 W resistor is used 900 Series V5.1: Installation Guide, February 2000...
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Page 26: Sounder Control Unit - Io956D
1 second on, 1 second off. Sounders can be operated individually or in groups and, whichever address mode has been applied, can be synchronised when in pulsed operation. An opto-coupled input is provided to monitor the state of the external power supply. 900 Series V5.0: Installation Guide, April 1999... - Page 27 If the fault LED is not required, or the extra loop current to illuminate it, is unavailable it can be disabled by using the eighth segment of the DIL switch. The red LED is powered from the external supply and is always enabled. 900 Series V5.1: Installation Guide, February 2000...
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Page 28: Input/Output Units
>1 V = LOGIC 1 Do not exceed 35 V Not polarity sensitive − Line 1 and Line 2 are not polarity sensitive but it is recommended to keep L1 negative for consistency. 900 Series V5.0: Installation Guide, April 1999... -
Page 29: Switch Monitor - Ii952D
Two LEDs, one red and one yellow, are visible through the top cover of the enclosure. The red LED is switched by the control panel and can be illuminated when an alarm condition is detected. 900 Series V5.1: Installation Guide, February 2000... -
Page 30: Switch Monitor Plus - Ii953D
The red LED is switched by the control panel and illuminates when an alarm condition is detected. The yellow LED illuminates when a fault condition (open or short circuit) is detected. 900 Series V5.0: Installation Guide, April 1999... -
Page 31: Intrinsically Safe Products - 970 Series
BASEEFA. If you wish to install a system outside the parameters given, you cannot use the Apollo certification and must seek independent certification from a competent certification body. 900 Series V5.1: Installation Guide, February 2000... - Page 32 This arrangement can include single or dual-channel translators, housed together with the critical wiring, in a robust mechanical enclosure. For further advice, please contact your local Technical Support Department at Aritech. 900 Series V5.0: Installation Guide, April 1999...
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Page 33: Maximum Loading
Under these conditions communication errors might occur, resulting in corrupt data or in devices failing to respond. In order to ensure reliable communication when capacitive loads are connected to these barriers, observe the following conditions: 900 Series V5.1: Installation Guide, February 2000... -
Page 34: Wiring And Cable Types
• The above requirements are intended to ensure correct operation, even with long safe-area cables and below-average loop voltages. Aritech strongly recommends that these conditions are maintained wherever possible. If cable runs are short, or a small number of Intrinsically Safe spurs are involved, it will be possible to work with higher cable capacitance. -
Page 35: Protocol Translators
However, Aritech control and indicating equipment cannot operate with this earth connection as the control equipment incorporates earth-leakage monitoring and the earthing of the loop causes unwanted cross talk between loops. For Aritech Series analogue addressable fire panels the GBX70 (galvanically isolating barrier) must therefor be used. -
Page 36: Fire Monitors
A conduit box, available from Aritech, can also be used to mount Intrinsically Safe bases. Note that the earth terminal in the base is provided for convenience where continuity of a cable sheaths or similar is required. -
Page 37: Marine Products - 950M Series
2. Calculate the worst case condition for additional alarm and LED current, using Table 6: Device alarm current. 3. Determine the total loop resistance, using Table 7: Resistance. • The cable values given are "per core". For a two-core cable, multiply the resistance by two. 900 Series V5.1: Installation Guide, February 2000... -
Page 38: Standby Current
0.0012 IO950D 0.0012 3-Channel I/O IU922 0.0001 Mini switch monitor II950 0.001 Mini switch monitor with INT. II951 0.00025 Switch monitor II952 0.0012 II952D 0.00073 Switch monitor plus II953 0.0012 II953D 0.00073 TOTAL 900 Series V5.0: Installation Guide, April 1999... -
Page 39: Alarm Current
Note : Resistance in Ohm/m/core 2L2.5 MICC 0.1168 Inductance in mH/km Capacitance in µF/km FP200 1.0 0.0181 FP200 1.5 0.0121 0.08 0.15 FP200 2.5 0.0074 (Paired by 2) WS104 0.05 (Paired by 2) WC104 0.020635 TOTAL 900 Series V5.1: Installation Guide, February 2000... - Page 40 Loop voltage: ( e.g. FP1100/1200/2000 : 27.6 V ) V min V — (I x R) V min > 17V — no zone monitoring units V min > 20V — with zone monitoring units 900 Series V5.0: Installation Guide, April 1999...
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Page 41: Index
II952D switch monitor installation, 17 description, 27 wiring options, 16 wiring connections, 27 Mini switch monitoring unit with interupt II951 II953 switch monitor plus, 20 installation, 18 II953D switch monitor plus wiring options, 18 900 Series V5.1: Installation Guide, February 2000... - Page 42 Sounder circuit controller IO956 description, 22 installing, 13 wiring connections, 22 wiring diagram, 13 Zone monitoring unit II955 Sounder control unit IO956D using non-addressable intrinsically safe description, 24 dectectors, 12 Switch monitor II952 wiring diagram, 12 900 Series V5.0: Installation Guide, April 1999...
- Page 43 900 Series V5.1: Installation Guide, February 2000...
- Page 44 14 3259 999-2...
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