Honeywell Touchpoint 4 Manual
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Installation TP4MAN Issue 3 Apr 06 (MAN0631)21 The next diagram shows the 3-wire detector power/signal terminal block layout with terminal identifiers. The table lists the detector power/signal terminals and their functions and specification. Zareba Sensepoint Gas Detector Connections Touchpoint 4 is specifically designed for use with the Zareba Sensepoint range of gas detectors. The subsequent diagrams show connection details for these units. For further information about Zareba Sensepoint detectors refer to their individual user guides. Id. Name FunctionInput/ OutputSpecification 1Power supply+ Gas Detector power and signalOutput4-20 mA input module: 2-wire, 4-20 mA loop powered, or, 3-wire, 4-20 mA source Min guaranteed 19 Vdc, Input impedance: 100 Ohms mV input module: 3-wire, mV bridge self regulating supply voltage (subject to cable resistance) Maximum loop resistance: 100 Ohms 2SignalSignalInput Variable signal 3Power supply-Output 0 Vdc +S - 12 3
Installation TP4MAN Issue 3 Apr 06 (MAN0631)26 Generic Gas Detector Connections The following diagrams show generic installation connections for other gas detectors. 3-Wire mV Detector 3-Wire 4-20 mA Detector 1 2 31 2 3 +ve Signal+ve Signal -ve -ve 1 2 33Detector Controller
Installation TP4MAN Issue 3 Apr 06 (MAN0631)27 2-Wire 4-20 mA Detector Maximum Cable Lengths To calculate the maximum cable run length from power source to the detector refer to the following example diagram and formula. Rloop = (Vcontroller — Vdetector min) / Idetector Maximum cable run length = Rloop / cable per metre resistance where: R loop = maximum working cable run resistance V controller = maximum available supply voltage at controller V detector min = minimum voltage at which the connected sensor can operate (sensor dependent, see individual sensor technical manual/data sheets) I detector = sensor maximum drawn current (sensor dependent, see individual sensor technical manual/data sheets) 1 2 31 2 3 +ve Signal+ve Signal -ve R L 1 2 33Detector Controller
Installation TP4MAN Issue 3 Apr 06 (MAN0631)28 Vsupply Vsensor Imax 0 V Signal Cable run ControllerDetector R l
Operation TP4MAN Issue 3 Apr 06 (MAN0631)29 WARNINGS Access to the interior of the controller, when carrying out any work, must only be conducted by trained personnel. Switch off and isolate the power supply to the controller when access is required. Take any necessary precautions to prevent false alarms. Once powered and connected properly with the gas detector(s), Touchpoint 4 displays gas concentration, alarm, fault and status information on each Channel Module, and shows channel and system related information on its Common Module. Management of the overall system and individual channels is via menus and control buttons. This chapter provides operational information about the following: • powering-up • information on the displays, see page 30 • control buttons, see page 31 • using menus, see page 32 •Common Module options, see page 34 •Channel Module options, see page 38 Powering Up Touchpoint 4 is mains AC and/or DC powered. Power up/power down the controller using the ON/ OFF switch located on the Terminal Module, as follows. 1 Access the interior of the controller. See page 13. 2 Switch on Touchpoint 4. Use the On/Off switch on the Common Module. The controller is now in normal operation. Note After switching on or off always close the access panel. On/Off Switch & Fus e Operation
Operation
TP4MAN Issue 3 Apr 06 (MAN0631)30
Information on the Displays
At switch on:
• all display icons/text/numbers/symbols
on the Common Module are lit
• all LEDs on the Common Module are lit
• the alarm buzzer sounds for 1.0 seconds.
This sequence repeats twice and is the
controller’s self-test procedure.
The Common Module display then shows:
• local time and date
• power LED indicator lit
The Common Module then tries to communicate
with any connected individual Channel Module to
show the number of Channel Module’s (1 - 4)
connected
The controller then begins normal operation.
Simultaneously all the icons on the display
of each of the Channel Modules come on
for 1 second.
They then show a warm-up count down
from C180 (3 minutes) to C000.
To skip the warm-up sequence press the
channel’s Cancel button for 3 seconds.
After completing the warm-up the
individual channels start to communicate
with the Common Module.
ALARM POWER FAULT
1234
ALARM POWER FAULT
ALARM POWER FAULT
1
ALARM POWER FAULT
1234