Pittway Notifier Inertia AFP-300 Assembly instructions

NSW (Head Office)
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Qld 4104
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Unit 2 297 Ingles St
Port Melbourne
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Notifier Inertia Pty Ltd (A.C.N 002 692 962)
A PITTWAY COMPANYA PITTWAY COMPANY
www.inertia.com.au
INSTALLATION AND PROGRAMMING MANUAL
AFP-300/400
INTELLIGENT FIRE
DETECTION AND
ALARM SYSTEM
SOFTWARE VERSION 2.2
REVISION AUS 3
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PAGE 2AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL
COPYRIGHT © 2000, NOTIFIER INERTIA PTY LTD
Installation ........................................................................................................................... 4
OVERVIEW ......................................................................................................................................4
Passwords..................................................................................................................................................4
Operating Features....................................................................................................................................4
Basic System Requirements (SPECS)......................................................................................................5
AFP-400 System Diagram.....................................................................................................................................5
AFP-300/400 Basic termination points. ................................................................................................................5
Panel Primary requirements 6
Compatible System Components: .............................................................................................................6
Compatible Annunciators...........................................................................................................................7
Initial Installation Tasks..............................................................................................................................7
The Power Supply Connections 8
240Vac- 24Vdc (Resettable/Non resettable) and Battery Connections.....................................................8
AFP-300/400 Power Supply..................................................................................................................................8
MPS-400 Battery Charger Supervision.................................................................................................................8
Output Relays (on the power Supply)........................................................................................................9
Alarm and Fault Relays (on the Power Supply).........................................................................................9
RS-232 and RS-485 Circuits 10
Wiring for RS-485 Annunciator Circuits.....................................................................................................10
Terminal & ACS Circuits (RS-485).......................................................................................................................10
RS-485 Terminal & ACS Connectors ....................................................................................................................11
Wiring for RS-232 Circuits .........................................................................................................................11
Remote Printer Connections..................................................................................................................................11
Remote Terminal Connections...............................................................................................................................12
Connecting A Laptop in Terminal Mode to Emulate A Printer...................................................................12
Connecting a Laptop VIA Verifier 400 to program the Panel.....................................................................12
Analogue Loop Overview 13
Loop wiring Methods and specification......................................................................................................13
Communication SLC Loop.....................................................................................................................................13
Style 4 Loop Wiring...............................................................................................................................................13
Style 6 Loop Wiring...............................................................................................................................................14
Style 7 Loop Wiring...............................................................................................................................................14
Wiring devices on the Loop 15
Wiring Analogue Addressable Detectors...............................................................................................................15
Wiring Conventional Circuits (MMX-2)................................................................................................................15
Wiring Control Modules (CMX-2).........................................................................................................................16
Wiring Short Circuit Isolator Modules (ISO-X) ....................................................................................................16
Wiring Monitor Modules (MMX-101)...................................................................................................................16
XP-5M & XP-5C Modules.....................................................................................................................................17
Common fault finding techniques 18
Shield Termination ................................................................................................................................................18
Before connecting the loop........................................................................................................................18
The Affects of Capacitance on Ground Faults.......................................................................................................19
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AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL PAGE 3
COPYRIGHT © 2000, NOTIFIER INERTIA PTY LTD
Programming....................................................................................................................... 20
OVERVIEW ......................................................................................................................................20
Turning the Panel on for the first Time 20
How to enter a ‘Default’ Program...............................................................................................................20
Program Mode Screen...............................................................................................................................21
Clear Program............................................................................................................................................21
Autoprogram ..............................................................................................................................................21
Duplicate (Dual) Addressing.................................................................................................................................22
Default Autoprogram Screen.................................................................................................................................23
Autoprogram Defaults...........................................................................................................................................23
Autoprogram- Device no longer needed....................................................................................................24
Installing a Device......................................................................................................................................24
Edit a Point.................................................................................................................................................24
Modifying a Point........................................................................................................................................24
Editing Multi Detector Mode.......................................................................................................................25
Programming Cooperative Multi-Detector...........................................................................................................25
Delete a Point.............................................................................................................................................26
Password ...................................................................................................................................................26
Message - Change the “SYSTEM NORMAL MESSAGE”.........................................................................26
Zone Labels ...............................................................................................................................................27
Special Zones ............................................................................................................................................27
F5-F6 (TIME CONTROL).....................................................................................................................................28
F7 (Holiday)..........................................................................................................................................................28
System Functions 29
Annunciator selection 30
Annunciator Groups...................................................................................................................................30
Annunciator Group 1.............................................................................................................................................30
Annunciator Group 2.............................................................................................................................................31
Annunciator Group 3-5 .........................................................................................................................................31
Annunciator Group 6 – 8.......................................................................................................................................31
System Check Function.............................................................................................................................32
Status Change 32
Isolate a Device or Zone............................................................................................................................33
Change Sensitivity .....................................................................................................................................33
Clear Verification Counters........................................................................................................................33
Clear History..............................................................................................................................................34
Time and Date............................................................................................................................................34
Walk Test...................................................................................................................................................34
Type Codes (ID’s) 35
Monitor Module’s........................................................................................................................................35
Type Codes for Monitor Modules..........................................................................................................................35
Control Module’s........................................................................................................................................36
Type Codes for Control Modules...........................................................................................................................36
Panel’s Monitored Output Circuits .............................................................................................................36
Control-By-Event Programming 37
CBE Equation........................................................................................................................................................37
Automatically Change sensitivity ..........................................................................................................................37
Nominal Detector Sensitivity 38
Self Optimising Pre-Alarm ....................................................................................................................................38
Sensitivity Levels for the AFP-400: (Graph)...............................................................................................39
Sensitivity Levels- Autoprogram Default Tables:..................................................................................................40
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PAGE 4AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL
COPYRIGHT © 2000, NOTIFIER INERTIA PTY LTD
Installation
Overview
The AFP-400 is a modular, intelligent Fire Alarm Control Panel (FACP) with an extensive list of
powerful features. The CPU module, power supply module, and cabinet combine to create a
complete fire control system for most applications such as commercial, residential and industrial
buildings. Optional modules mount to the chassis to provide additional output circuits.
Unlike conventional fire control panels, the AFP-300/400 intelligently communicates with each
detector and Input/Output module on the entire system. Thus providing accurate information as
to the exact point of alarm and the ability to operate specific outputs using programmable logic
functions. The method of communication with field devices is a high-speed proprietary protocol
capable of supporting up to 99 detectors and 99 modules per two-wire loop.
The AFP-300 panel is capable of 1 loop and the AFP-400 is capable of 2 loops. Each of the
panels can also accommodate up to 10 Annunciators, each can provide 32 x fully
programmable LED indications, 16 x single pushbutton functions, 8 x relay outputs, remote LCD
displays etc.
These systems due to their immense flexibility require a firm understanding of the total
operation of the system for their correct operation. Please ensure that the following document is
read in its entirety before making any attempt to operate the system.
Passwords
As the program in the system is critical to the correct operation during fire alarm conditions, it is
protected from modification by a five-digit password. All other features are available without
password protection.
Please ensure the password is recorded and stored in a safe place as it remains unique and
your key to future system modification.
Operating Features
Alarm Verification selection per point, with tally.
Silence Inhibit timer and Auto Silence timer.
Automatic time-of-day and day-of-week controls functions, with holiday option.
User-defined password and key-protected nonvolatile memory.
AWACS (Advanced Warning Addressable Combustion Sensing) with nine field-adjustable Pre-
Alarm levels with programmable Control-by-Event (CBE)
Operate automatic smoke or heat detector sounder base on action Pre-Alarm level, with general
evacuation on alarm level.
Programmable Control-by-Event control of outputs from individual alarm addressable devices.
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AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL PAGE 5
COPYRIGHT © 2000, NOTIFIER INERTIA PTY LTD
Terminal Mode. RS-485
PC Term
Printer.
RS-485 ACS Mode .
SLC Loop 1 .
SLC Loop 2 .
Basic System Requirements (SPECS)
The following section covers the suggested installation methods for the AFP-300/400.
These are typical installation methods, and may not cover everything needed, Contact the
Manufacturer for any additional information or assistance needed.
AFP-400 System Diagram
AFP-300/400 Basic termination points.
NCS
Graphics
Optional
Printer
PC
RS-485(Term)
Loop 1
Loop 2
FI
FI
RS-485(ACS)
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PAGE 6AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL
COPYRIGHT © 2000, NOTIFIER INERTIA PTY LTD
Panel Primary requirements
AC Power Requirements
Basic System 240VAC, 1.5A
Battery (sealed lead acid only)
Dual Rate Charger
High Charge 29.1VDC
Normal Rate 27.6VDC
Charging Current 2.0 A max, 1.5 A typical
Battery Capacity: 55AH in larger Cabinet, 12AH mounted in CAB-AA
24Vdc Power Supply:
Max. current for all external devices 6.0 A
(Optional power supplies available).
Communication SLC Loop
Voltage 24VDC nominal, 27.6VDC (supervised and power-limited)
Maximum Length 3,000 mtrs total twisted pair length, or
300 mtrs untwisted, unshielded wire pair.
Current 250 mA (max short circuit) or100 mA normal
Resistance 40 ohms total (20 ohms per leg)
Monitored Outputs:
Max. wiring voltage drop 2 VDC
CMX-2: 1.2 VDC)
Normal Voltage 24 VDC
Clean Contact Relays:
2.0A @ 30VDC (Resistive)
0.5A @ 30 VAC Form-C
Compatible System Components:
Compatible Intelligent Addressable Devices include;
B501 Standard detector base
B501BH Sounder base
B524RB Relay base
B524BI Isolator base
SDX-751 Photoelectric smoke detector low profile
CPX-751 Ionisation smoke detector low profile
FDX-551 Thermal Sensor
LPX-751 Very Intelligent Early Warning Laser Smoke Detector
IPX-751 Omni- Ion/Photo/Ther- Detector
DHX-501 Duct Detector housing for SDX-551 and CPX-551
DHX-502 Duct Detector housing for SDX-551 and CPX-551
MMX-2 Monitor module for two-wire detectors
MMX-101 Monitor module
CMX-2 Control module
ISO-X Isolator module
XP5-C 5 way output card
XP5-M 5 way input card
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AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL PAGE 7
COPYRIGHT © 2000, NOTIFIER INERTIA PTY LTD
Compatible Annunciators
ACM-16AT - Contains 16 red alarm and 16 yellow LEDs, and a local piezo sounder,
Includes 16 switches for control panel functions.
AEM-16AT - Expands the ACM-16AT by 16 system points per unit, up to a maximum of 64
points per address.
ACM-32A - Contains 32 red alarm LEDs, and a local piezo sounder with silence/acknowledge
switch.
AEM-32A - Expands the ACM-32A by 32 points
ACM-8R- Provides eight Clean contact (Form-C) relays with 5A contacts
LDM-32- Provides 32 Led driver outputs for connection to a custom graphic Mimic.
Programmable for 32 alarm only outputs, or 16 alarm and 16 fault outputs.
LDM-E32- Expands the LDM-32 by 32 points up to a maximum of 64 points.
LDM-R32- Converts the open collector outputs of an LDM-32 or LDM-E32 to Form-A
(normally open) contacts.
LCD-80- Alphanumeric display Mimic Panel
Initial Installation Tasks
Check AC Power –
Apply AC power to the MPS-400, but do not connect batteries at this time.
Silence the audible fault sounder by pushing the Acknowledge switch on the Keypad.
The Panel should indicate:
The Green AC power LED on
System Fault indicator because of no batteries
The yellow fault indicator may come on after 10 seconds.
Program the AFP-400 (See Programming)
Connect the Batteries
Carry out common fault finding techniques (Page 19)
Test the System.
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PAGE 8AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL
COPYRIGHT © 2000, NOTIFIER INERTIA PTY LTD
The Power Supply Connections
240Vac- 24Vdc (Resettable/Non resettable) and Battery Connections
The connections for the 240Vac and the 24Vdc Battery connections are indicated in the
following illustration.
AFP-300/400 Power Supply
MPS-400 Battery Charger Supervision
The battery charger supervision circuitry uses the microprocessor and resistors R4 & R37 on
the MPS-400, and resistors R123 & R124 on the CPU-400 to monitor the status of the batteries
and the battery charger.
The microprocessor reads the battery voltage once every 15 seconds, and reads the battery
charger voltage once every 4 seconds.
If the charger voltage rises above 31.5volts, the panel will report a “CHARGER FAIL” within 200
seconds. If the charger drops below 19.2volts, and the batteries are not fully charged <26.0V +/-
1%), the panel will report “CHARGER FAIL” within 200 seconds.
MPS-400 - Terminal TB2
Non-resettable power Terminal 1(+) & 2(-) Circuit 1
Non-resettable power Terminal 3(+) & 4(-) Circuit 2
Resettable power Terminal 5(+) & 6(-)
All DC power outputs are power-limited.
Voltage
Select (240Vac)
VA100
Transformer
connections
J6
75395
To CPU
J1
Aux Power
J2
75394
To CPU
Green LED’s
indicate
Relays active.
Note: the yellow
LED indicates
ground fault .
The Green LED
indicate AC
power.
B
B
EA
H
N
Active
Earth
Neutral
Battery (+)
Battery (-)
Battery Fuse (F1)
1 2 3 4 5 6
+ - + - + -
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AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL PAGE 9
COPYRIGHT © 2000, NOTIFIER INERTIA PTY LTD
Output Relays (on the power Supply)
The control panel provides four monitored output circuits. Each circuit can Provide 2.5 amps of
current. Total current drawn from the MPS-400 cannot exceed 6.0amps total.
Alarm and Fault Relays (on the Power Supply)
Isolate contacts can be set to Alarm activated contacts using SW4,
Fault contacts can be set to Alarm activated contacts using SW5.
2.0A @30 VDC (resistive ratings).
NO NC C
NO NC C
NO NC C
NO NC C
Alarm
TB3
Alarm
TB5
Fault
TB4
Isolate
TB6
Alarm
Fault Alarm
Isolate
Note: The Fault
Relay contacts
do not change state
during a power
failure for 6-8
hours, but will
activate immediately
upon a
system fault
condition
Relay 1
TB7
B+ B- A+ A-
B+ B- A+ A-
B+ B- A+ A-
B+ B- A+ A-
Relay 2
TB9
Relay 3
TB8
Relay 4
TB10
Battery Fault
Bell Output
Plant (Alarm) N/L
Battery Test
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PAGE 10 AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL
COPYRIGHT © 2000, NOTIFIER INERTIA PTY LTD
RS-232 and RS-485 Circuits
The AFP-300/400 has multiple RS-232 and RS-485 circuits; the illustrations below show the
positions and where to find them.
Wiring for RS-485 Annunciator Circuits
Terminal Mode (LCD-80/LCD-80TM) - The AFP-400 provides Terminal Mode for high-
speed two-way communication link to multiple Annunciators. Maximum distance is up to
1,500 mtrs, and wired in twisted shielded cable.
Terminal Mode wiring must be Six wire, made up of, 4 wire For Data and 2 wire for
24Vdc power.
ACS Mode - Use the ACS Mode Interface for communicating with ACM-16AT, ACM-32A,
LDM-32, ACM-8R modules. ACS mode can also ACKNOWLEDGE, SILENCE, and
RESET the control panel from a remote location. Maximum distance is up to 1,500 mtrs,
and wired in twisted shielded cable.
ACS mode wiring must be Four wire, made up of, 2 wire for Data and 2 wire for 24Vdc
power. A 120-ohm resistor must be placed at the end of the cable run.
The AFP-400 uses ACS Annunciator address 1 to 19. Each address can communicate with one
Receive/Transmit Annunciator. Configure any other Annunciators set for the same address as
Receive Only.
The AFP-400 can support up to 32 Annunciators on the ACS output, all type combined.
Each Annunciator Address (1-19) can be assigned to one Group Selection.
Note: Refer to the ACS Selection tables in the Programming section of this manual.
Terminal & ACS Circuits (RS-485)
AFP-300/400
NOTIFIER
ALL SYSTEMS
NORMAL
09:03
Fri 06/01/95
Statu
s
Contr
ast
Lamp
Test
Ac
k
Silen
ce
Res
et
NOTIFIER
s
ast
Test
k
NOTIFIER
ALL SYSTEMS
NORMAL
09:03
Fri 06/01/95
NOTIFIER
ALL SYSTEMS
NORMAL
09:03
Fri 06/01/95
Terminal Mode Wiring is closed loop.
ACS Mode Wiring is open loop (no return).
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AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL PAGE 11
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RS-485 Terminal & ACS Connectors
AFP400 to LCD-80 Terminal Mode Connections
AFP 400 End (TB3 Terminal Mode Output) LCD-80(TM) End (TB2)
RS 485 IN + RS 485 OUT + (Terminal 1)
RS 485 IN - RS 485 OUT – (Terminal 3)
RS 485 OUT + RS 485 IN + (Terminal 2)
RS 485 OUT - RS 485 IN – (Terminal 4)
Wiring for RS-232 Circuits
RS-232 circuits used for printer’s etc, wired outside of the Panel, are to be wired in Twisted
Shielded wiring and not to exceed 15 mtrs in length. The shield must be earthed at the Panel
end, to the nearest earth point immediately inside the Panel.
The following illustrations indicate the connection points for RS-232 circuits.
Remote Printer Connections
TX RX REF
PRINTER
TX RX REF
PC/TERMINAL
TB1
TB2
TB3
RS485 RS485
TERM IN TERM OUT
PRN DB-9 PRN DB-25 AFP400(TB1)
TX (Pin 2) TX (Pin 3) TB1-1
RX (Pin 3) RX (Pin 2) TB1-2
REF (Pin 5) REF (Pin 7) TB1-3
DB-25 connector
+ -
EIA-
Return
+ - Output
+ - + -
LCD-80 Terminal Mode
Connections ACS EIA-485 Connections
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PAGE 12 AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL
COPYRIGHT © 2000, NOTIFIER INERTIA PTY LTD
Remote Terminal Connections
Connecting A Laptop in Terminal Mode to Emulate A Printer
A Laptop computer can be used in lieu of a printer for uploading the history file or capturing
reports from the fire panel.
Set the Laptop up in terminal mode, and connect as per the instructions above for connecting a
remote printer.
Place the Laptop in “terminal mode” (Hyperterm or equivalent) and set with the
following options for the COM port.
2400 Baud.
7 Data bits.
1 Stop Bit.
Even Parity.
Xon/Xoff handshaking.
Select “Capture text to file” in the Terminal Mode program on the Laptop.
Then at the AFP-300/400 Panel Press <ENTER>-<2>-<3>-<ENTER>
The 300/400 panel will now Upload the entire history log to the Laptop computer which can then
be saved to disk for permanent records.
Connecting a Laptop VIA Verifier 400 to program the Panel
Connect the Laptop to the Panel as per the instructions above for Remote Terminal
Connections, using the cable provided with the Verifier 400 Upload/Download program, and
follow the directions as per the Verifier Program.
TX RX REF
PRINTER
TX RX REF
PC/TERMINAL
TB1
TB2
TB3
RS485 RS485
TERM IN TERM OUT
CRT DB-9 CRT DB-25 AFP400(TB2)
TX (Pin 2) TX (Pin 3) TB2-1
RX (Pin 3) RX (Pin 2) TB2-2
REF (Pin 5) REF (Pin 7) TB2-3
DB-25 connector
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AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL PAGE 13
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Analogue Loop Overview
Communication with intelligent and Addressable devices occurs thorough a Signalling Line
Circuit (SLC) Loop. You can wire an SLC loop in Style 4, Style 6 or Style 7 wiring.
The AFP-300 control panel capacity includes up to 99 intelligent detectors, and an additional
combination of up to 99 Addressable modules, (control modules and monitor modules).
The AFP-400 control panel capacity includes up to 198 intelligent detectors, and an additional
combination of up to 198 Addressable, control modules and monitor modules.
Loop wiring Methods and specification
The following section discusses the Loop specification in terms of size, distance, resistance etc;
Communication SLC Loop
Voltage 24VDC nominal, 27.6VDC (supervised and power-limited)
Maximum Length 3,000 mtrs total twisted pair length, or
300 mtrs untwisted unshielded wire pair.
Cable Size Minimum .75mm2 Twisted pair.
Current 250 mA (max short circuit) or100 mA normal
Resistance 40 ohms total (20 ohms per leg)
Style 4 Loop Wiring
Style 4: is when the circuit leaves the panel and does not return.
1 2 3 4 5 6
TB5
Total cable length must
be <3,000 mtrs.
Maximum impedance
40 ohms to the end of
each branch
Wire size Minimum
.75mm2 twisted.
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PAGE 14 AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL
COPYRIGHT © 2000, NOTIFIER INERTIA PTY LTD
Style 6 Loop Wiring
Style 6 Wiring is a closed loop wiring method.
Style 7 Loop Wiring
Style 7 wiring is a closed loop wiring method with ISO-X‘s used for short circuit detection/
protection, without compromising the complete loop.
Maximum of 25 devices between each ISO-X device.
ISO-X’s do not take up a device address, unless over 100 ISO-x’s installed, then allow 2
addresses for each additional ISO-X device over 100.
1+ 2- 3+ 4- 5 6
IS
IS
Total cable length must be
<3,000 mtrs.
Maximum impedance 20
ohms End to end of each
wire (40 ohms total)
Wire size .75mm2 twisted
minimum
TB5
1 2 3 4 5 6
ISO-X
Device
ISO-X
Device
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AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL PAGE 15
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Wiring devices on the Loop
Please Note; Some of the wiring methods used in this manual only apply to the AFP-300/400,
do not adopt these methods on other systems.
Wiring Analogue Addressable Detectors
Note:
If optional shield used, do not connect to the spare terminal on the detector base, join the shield
and insulate it from the other cables.
Wiring Conventional Circuits (MMX-2)
The MMX-2 utilises the 24Vdc Resettable power supply, and the Conventional circuit is
terminated to terminal 6 & 7, with a 3.9k EOL Resistor fitted.
Note:
You must use resettable power on MMX-2’s on an AFP400.
You cannot have AVF on an MMX-2 Module.
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PAGE 16 AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL
COPYRIGHT © 2000, NOTIFIER INERTIA PTY LTD
Wiring Control Modules (CMX-2)
CMX-2’s are used for Bells, Solenoids or any general relay application and can be monitored
outputs or relay outputs.
Wiring Short Circuit Isolator Modules (ISO-X)
Shorts on the branch of an isolated communication loop are isolated from all devices installed
before the ISO-X
Wiring Monitor Modules (MMX-101)
This Module is a single input device, and can be used for Flow switch, Tamper Switch, sprinkler
pressure switch, and pump run/stop, and Tank Hi/Low monitoring.
Maximum 700 mtrs distance and maximum 20 Ohms resistance.
Note: When using
the ISO-X module,
limit the devices
between each ISO-X
to 25 devices.
In the case of “T”
taping the limit of 25
also applies.
The ISO-X doesn’t
affect the device
count unless the
amount of ISO-x’s
exceeds 100
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AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL PAGE 17
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XP-5M & XP-5C Modules
The XP-5 Control and XP-5 Monitor modules are 5 separate modules and addresses mounted
on one circuit card, the address is chosen by one rotary switch and one slide switch.
The rotary switch selects the address in increments of ten, and the slide switch selects either 0
or 5. Eg; address 52- the rotary switch will be 5, and the slide switch will be 0.
Address 52 will be the third point on the XP-5 card.
The wiring of both the XP-5C and XP-5M are wired exactly as the CMX-2 and MMX-101
devices, the only difference being that they share the same loop connection.
Note: Each output on the XP-5C is selectable via a switch.
Monitored output = Switch Depressed (Above Line)
Monitored output circuits are to be wired as per a CMX-2
and connected to the XP5-C as shown.
Address Sw1-5 set
ON,
For Future Use,
Set SW1-5 Off
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PAGE 18 AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL
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Common fault finding techniques
For a Loop that is wired in Twisted Shielded Pair:
Shield Termination
If Using optional shielded twisted pair cable to minimise radiated emissions of radio
frequency energy, do not allow the shield drain wire to enter the cabinet. Connect the drain
wire to the outside of the cabinet via an earth type connector. Maintain the continuity of the
shield wire throughout the loop but do not connect to any devices, do not allow the shield to
become grounded and only earth one end.
Before connecting the loop
Carry out the following tests;
1. Check continuity of loop wiring, by placing a short on one end and reading the short with a
multimeter at the other end.
2. Check the loop resistance, same as above (be sure to set the multimeter to ohms), the loop
resistance cannot exceed 40 ohms, which is 20 ohms per leg.
3. Check for devices incorrectly wired, set the multimeter to diode Test, and place the leads on
the cable, the reading should be approx .645,- reverse the leads- now the reading should be
approx 1.2 or higher, if both readings read low- this indicates a device incorrectly wired, or a
short on the wiring. Note: (Each device has a diode installed)
4. Voltage reading, set the multimeter to D.C. volts and read the voltage at the loop card before
connecting the loop, the reading should be approx. 24 volts, now connect the loop, the
reading should now be 15-16 volts. If the voltage goes down low this could indicate a short
on the line, or there is a device incorrectly wired (possible Reverse polarity), find the device
and correct the loop connections at that device.
5. Earth Fault test, Select ohms on the multimeter and check between each leg of the loop and
earth, if the reading falls below 50,000 ohms, an earth fault will appear on the loop when
connected, find the cause of the earth fault and rectify. (Possible causes of an earth fault are
moisture, inadequate insulation from surrounding building, equipment or materials).
NOTE:
Loop Resistance Measurement when ISO-X devices are present and when power is removed
from the Loop, the positive side of the circuit is opened at each ISO-X isolation module. To
measure the Loop resistance, temporarily place a jumper between Terminals 2 and 4 on
each ISO-X while taking measurements. Remember to remove all the jumpers and test all
isolator modules when you have finished taking the readings.
Loop+
Loop -
Connect to Enclosure
Prior to connection,
check with
VOM for external
grounds.
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AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL PAGE 19
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The Affects of Capacitance on Ground Faults
Capacitance can be a major cause of induced ground faults. If the capacitance between the
conductors and earth ground exceed a certain value, the capacitive reactance (Xc) will fall
below the ground fault circuit threshold, and a ground fault condition will occur. When using
shielded cable for the SLC loop wiring, it is important to realise that since a conductor is running
in close proximity to the shield for a long distance, it is basically a large capacitor. If the
capacitive value is known, the capacitive reactance can be calculated by using this formula:
Xc= 1
2”fC
Where “F” is the frequency 0.5Hz, and “C” is the measured capacitive value in Microfarads. If
the capacitive reactance is below 50,000 ohms, a ground fault will result.
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PAGE 20 AFP 300/400 INSTALLATION AND PROGRAMMING MANUAL
COPYRIGHT © 2000, NOTIFIER INERTIA PTY LTD
Programming
Overview
The AFP-300/400 is 100% field programmable, and has the added versatility of the
Autoprogram feature, the Panel can also be programmed using a Laptop Computer.
Turning the Panel on for the first Time
After system power up is completed, the display message will be:
Note: This would be for a new Unprogrammed AFP-300/AFP-400 panel
After system power up is completed, and memory test is performed, the display message will
show:
The programmer/installer can silence the internal Piezo sounder by pressing the Acknowledge
switch on the Fire fighters Facility.
How to enter a ‘Default’ Program
Press the ENTER key to enter programming mode.
Technical Note: When programming mode is entered the ACS EIA-485 output is disabled.
Press <1> The system displays the following screen.
Password Type Factory Default: 00000 Enter the programming password
When the password has been entered the screen gives you the following choices:
CHECKING MEMORY-AFP-400/300 Release 2.2
Australian 3.0
FAULT IN SYSTEM NO DEV. INST ON L1
09:40A MON 03/07/00
1=PROGRAMMING 2=READ STATUS ENTRY
3=SYSTEM TEST (ESCAPE TO ABORT)
ENTER PASSWORD THEN ENTER, OR PRESS ENTER
FOR SYSTEM STAT CHANGE <ESC>
*****
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