Honeywell Touchpoint 4 Manual

Touchpoint 4
4 Channel Gas Detector Controller Technical Manual 

   
TP4MAN Issue 3 Apr 06 (MAN0631)2 

   Safety
TP4MAN Issue 3 Apr 06 (MAN0631)3
Ensure that this Technical Manual is read and understand BEFORE installing/operating/
maintaining the equipment.
This manual supports software revision 1.02 for the Common Module and 1.04 for the Channel
Modules.
Pay particular attention to Warnings and Cautions. 
All document Warnings are listed here and repeated where appropriate at the start of the
relevant chapter(s) of this Technical Manual. Cautions appear in the sections/sub-sections of the
document where...

   Information
TP4MAN Issue 3 Apr 06 (MAN0631)4
Honeywell Analytics can take no responsibility for installation and/or use of its equipment if this
is not done in accordance with the appropriate issue and/or amendment of the Technical Manual.
The reader of this Technical Manual should ensure that it is appropriate in all details for the exact
equipment to be installed and/or operated. If in doubt, contact Honeywell Analytics for advice.
The following types of notices are used throughout this Technical...

   Contents
TP4MAN Issue 3 Apr 06 (MAN0631)5
Safety 3
Information 4
Introduction 7
Enclosure 8
Common Module  8
Channel Module  8
General 9
Installation 10
Location 10
Dimensions 11
Enclosure 11
Rear Panel Detail  12
Mounting Bracket  12
Mounting 13
Controller Components  13
Power 15
Cabling 15
Wiring 16
Common Module Wiring  17
Channel Module Wiring  20
Generic Gas Detector Connections  26
Maximum Cable Lengths  27
Operation 29
Powering Up  29
Information on the Displays  30
Control Buttons  31
Using...

   Contents
TP4MAN Issue 3 Apr 06 (MAN0631)6
Channel Module  38
Status Indications  38
Alarms 43
Menus 43
User Settings  44
Common Module Settings  45
Event History  46
RS485   46
Relay Action  47
Time and Date  49
Power Source  50
Channel Settings  51
Gas Units and Range  52
Zero and Span  52
Alarm Levels and Relay Action  54
Channel Address   55
Common Module Default Configuration  55
Channel Module Default Configuration  55
mV input detector  56
4-20 mA input detector   56
Commissioning 57
3-wire mV...

   Introduction
TP4MAN Issue 3 Apr 06 (MAN0631)7
Touchpoint 4 is a self-contained 4 channel gas detector controller for use in indoor safe areas.
It is designed for use with the Zareba range of Flammable, Toxic and Oxygen gas detectors —
Sensepoint, Sensepoint Plus and Sensepoint Pro. 
For each channel one of two types of control unit is available:
• mV version — for 3-wire mV flammable gas detectors, e.g. Sensepoint Flammable 
detector
• 4-20 mA version — for 2 and 3-wire 4-20 mA gas detectors, e.g....

   Introduction
TP4MAN Issue 3 Apr 06 (MAN0631)8
Enclosure
The rigid steel enclosure houses a Common Module and up to four Channel Modules, each
featuring a Display Module and a Terminal Module. It has integral mounting hooks on the rear
for fitting to a supplied mounting plate. 
The base of the box has a removable plate with multiple cable/conduit knock-out entries to
enable wiring to all the terminal modules. 
A hinged panel below the display modules accesses the terminal modules.
For mechanical...

   Introduction
TP4MAN Issue 3 Apr 06 (MAN0631)9
The Display Module features an LCD screen, to display gas concentrations and ranges,
settings, alarms and faults, and 4 buttons, three behind a Controls Access Panel, that are used
to navigate through an integral menu system to set up the channel/detector settings and view a
history record of channel status, e.g. alarms, etc. 
The Terminal Module provides the connection point for channel signals, and features the
following: 
• 8-wire terminal block for the...

   Installation
TP4MAN Issue 3 Apr 06 (MAN0631)10
WARNINGS
Touchpoint 4 is designed for installation and use in indoor safe area 
non-explosive atmospheres. Installation must be in accordance 
with the recognized standards of the 
appropriate authority in the country concerned.
Before carrying out any work ensure local regulations and site procedures 
are followed. 
Access to the interior of the controller, when carrying out any work, 
must only be conducted by trained personnel. Switch off and isolate...