Honeywell Unipoint 2306B1000 User manual

Unipoint Flammable and Toxic

Gas Detection Controller

Operating Instructions

UNIPOINT OPERATING MANUAL 2306M5001 MAN0638 ISSUE 7 01/2011

1 Safety

Ensure that this manual is read and understood BEFORE installing / operating / maintaining the

equipment.

WARNINGS

Unipoint 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.

Unipoint should be installed inside a lockable enclosure or in a

secure location to prevent unauthorized access.

Before carrying out any work ensure local regulations and site

procedures are followed. Work must only be conducted by trained

personnel. Take any necessary precautions to prevent false alarms.

The detectors/sensors that the controller connects to may be used

for gas detection in hazardous atmospheres. Refer to the individual

detector/sensor instructions for their details.

The fault and alarm relay outputs may be used to switch voltages

in excess of 50Vac. Ensure circuits have DOUBLE or REINFORCED

insulation and are segregated in accordance with the voltage being

switched and access is restricted to authorized personnel only.

Unipoint must be zero and span calibrated with the

detector before operation.

Disposal should be according to local waste management

requirements and environmental legislation. Alternatively contact

your local Honeywell Analytics representative.

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 manual.

The reader of this 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.

Every effort has been made to ensure the accuracy of our documents; however,

Honeywell Analytics can assume no responsibility for any errors or omissions in our documents

or their consequences.

Honeywell Analytics greatly appreciates being informed of any errors or omissions that

may be found in the contents of any of our documents. For information not covered in this

document, or if there is a requirement to send comments/ corrections about this document,

please contact Honeywell Analytics.

Honeywell Analytics reserve the right to change or revise the information supplied in this

document without notice and without obligation to notify any person or organization of such

revision or change. If information is required that does not appear in this document, contact

the local distributor/agent or Honeywell Analytics.

UNIPOINT OPERATING MANUAL 2306M5001 MAN0638 ISSUE 7 01/2011

2 Table of Contents

1 Safety...................................................................................................................................... 2

2 Table of Contents.................................................................................................................... 3

3 Introduction............................................................................................................................. 4

4 Installation............................................................................................................................... 4

4.1 Mechanical Installation......................................................................................................... 4

4.2 Electrical Installation............................................................................................................ 6

4.2.1 Unipoint Controller Selection............................................................................................ 6

4.2.2 Power Connection............................................................................................................ 6

4.2.3 Terminal Detail................................................................................................................... 7

4.2.4 Detector Types.................................................................................................................. 7

4.2.5 Generic Detector Wiring Schematics................................................................................ 8

4.3 Maximum Cable Lengths..................................................................................................... 9

4.3.1 mA Detectors.................................................................................................................... 9

4.3.2 mV Detectors.................................................................................................................... 9

5 Default Conguration.............................................................................................................. 10

5.1 Unipoint mV Input Version................................................................................................... 10

5.2 Unipoint 4-20mA Input Version............................................................................................ 10

6 Switch On................................................................................................................................ 11

7 Initial Conguration................................................................................................................. 11

7.1 Setting Detector type (mA version only)............................................................................... 12

8 Normal Operation.................................................................................................................... 13

8.1 Display and Pushbutton Layout........................................................................................... 13

8.2 Normal Operation LCD Event Codes.................................................................................... 14

8.3 Display, Sounder and Relay Operation................................................................................. 14

8.4 Accept/Resetting Alarms...................................................................................................... 14

8.5 Fault Codes........................................................................................................................... 15

8.6 Inhibit.................................................................................................................................... 15

8.7 Overrange............................................................................................................................. 15

8.8 Self Test................................................................................................................................ 15

9 Conguration........................................................................................................................... 16

10 Ranges and Units.................................................................................................................. 17

11 Alarm Relay On/Off Delay...................................................................................................... 17

11.1 Alarm Relay On Delay......................................................................................................... 17

11.2 Alarm Relay Off Delay......................................................................................................... 18

12 Maintenance.......................................................................................................................... 18

13 Ordering Information.............................................................................................................. 19

14 Warranty Statement............................................................................................................... 19

15 Appendix A- Specication..................................................................................................... 20

16 Approvals............................................................................................................................... 21

17 EC Declaration of Conformity................................................................................................ 22

18 Notes...................................................................................................................................... 23

UNIPOINT OPERATING MANUAL 2306M5001 MAN0638 ISSUE 7 01/2011

3 Introduction

Unipoint is a self-contained single channel gas detection controller for use in indoor safe areas.

It is designed for use with any mV ammable gas detector as well as any 2 wire or 3 wire

4-20mA source gas detector*. Unipoint is DIN rail mounted and displays gas concentration,

alarm, fault and status information via its backlit LCD and LEDs, as well as providing a built

in audible alarm. A keypad located below the display provides the facility to make changes

to the system conguration. Unipoint is powered from 24VDC via the DIN rail. The detectors

are connected to the controller via terminals on the side of the controller where terminals for

remote inhibit/reset and output relays are also located.

There are two versions of Unipoint controller available. The mV version is for use with 3 wire

mV ammable gas detectors such as the Signalpoint or Sensepoint range of ammable

detectors. The 4-20mA version is for use with 2 wire and 3 wire 4-20mA source detectors such

as the Signalpoint or Sensepoint range of toxic and oxygen detectors. It has 4 buttons: ‘s’

up, ‘t’ down, ‘x’ reset and ‘3’ OK, that are used navigate through the menus and change the

conguration settings.

*All Honeywell Analytics gas detectors and third party detectors subject to overall power

requirements.

4 Installation

WARNING

Unipoint is designed for installation and use in indoor safe area

non-explosive atmospheres. Installation must be in accordance

with the recognised standards of the appropriate authority in the

country concerned. Prior to carrying out any installation ensure local

regulations and site procedures are followed. The detectors used with

Unipoint are often designed for use in hazardous atmospheres. Refer

to the individual detector instructions for details of their installation.

4.1 Mechanical Installation

Outline Dimensional Drawing

UNIPOINT OPERATING MANUAL 2306M5001 MAN0638 ISSUE 7 01/2011

The Unipoint controller is mounted on standard symmetrical ‘top hat’ DIN Rail (35 x 7.5mm).

To attach the Unipoint controller to the DIN rail follow the procedure below use the Installation

Diagram as reference.

1. Clip the Unipoint controller socket on to the DIN rail (note the correct orientation from the

diagram below).

2. Clip the power connector on to the DIN rail beside the controller socket.

3. Slide the connector and socket together until clip engages.

4. Attach the Unipoint Controller on to the socket by gently but rmly pushing it down onto the

socket until it clips in place.

5. Additional Unipoint Controllers can be added to the DIN rail on the right hand side of the rst

unit. Clip additional controller sockets to rail and slide together until clips engage. Then attach

the additional Unipoint Controllers.

Note: If mounting the Unipoint controller(s) inside an enclosure, ensure that the temperature inside

the enclosure does not exceed the specified operating temperature.

Installation Drawing

DIN Rail Drawing

UNIPOINT OPERATING MANUAL 2306M5001 MAN0638 ISSUE 7 01/2011

4.2.2 Power Connection

Max number of Unipoint controllers on one DIN Bus

Unipoint Controller Maximum Power Consumption

Detector Gas Type Nº Wires Unipoint Controller

Required

Signalpoint Flamable

Toxic

Sensepoint Flamable

Toxic

Sensepoint Plus Flamable

Toxic

Detector Type Max number of

controllers

3 wire mV 8

2 wire mA 8

3 wire mA 4

Unipoint

version

Controller status Relays Power

Fault Alarm

mV Normal operation, no faults, no alarms.

Zero cable resistance.

Energised De energised 2.4W1

mV Normal operation, no faults, no alarms.

Max loop cable resistance (28 ohms)

Energised De energised 3.6W1

mV All alarms, no faults. Max cable

resistance (28 ohms)

Energised Energised 4.8W1

mA Normal operation, no faults, no alarms.

Inclusive of 2 wire signal loop current.

Energised De energised 1.8W2

mA All alarms, no faults. Inclusive of 2 wire

signal loop current.

Energised Energised 3.0W2

4.2 Electrical Installation

4.2.1 Unipoint Controller Selection

1 includes power to detector

2 excludes power to 3 wire mA detector.

All controllers with default conguration.

UNIPOINT OPERATING MANUAL 2306M5001 MAN0638 ISSUE 7 01/2011

4.2.3 Terminal Detail

All electrical connections except power are made via removable terminals located on the top

and bottom of the controller. The power connection is made via the power connector attached

to the DIN rail.

For security we recommend the use of Key Switches for the remote reset and inhibit inputs

mounted on the front of the enclosure in which the Unipoint is mounted.

4.2.4 Detector Types

Unipoint can accept signals from three types of detector. The table below summarizes the

types of detector compatible with Unipoint.

Type of detector Output to detector Recommended detector

2 wire 4-20mA Controller Input (18-32Vdc)-1.5*Vdc,

30mA (max). Sense resistor 33 Ohms.

Signalpoint or Sensepoint Toxic

and Oxygen

3 wire 4-20mA

source

Controller Input (18-32Vdc)-1.5*Vdc,

0.5A (max). Sense resistor 33 Ohms.

Sensepoint Plus

3 wire mV bridge 2.4-8.6V, 200mA constant current.

Max cable loop resistance 28 Ohms.

Signalpoint or Sensepoint

Flammable

* Voltage drop in Unipoint Controller

UNIPOINT OPERATING MANUAL 2306M5001 MAN0638 ISSUE 7 01/2011

4.2.5 Generic Detector Wiring Schematics

To connect the detector to the Unipoint use a 2 or 3 wire cable (as appropriate) that is suitably

armoured (e.g. Steel Wire Armour) or conduit according to local requirements. Acceptable wire

cross sectional area is from 0.5 to 1.5mm2with overall screen. Connect the screen to ground at

the enclosure that the Unipoint is mounted in.

3 Wire mV Bridge

2 Wire 4-20mA

3 Wire 4-20mA Source

UNIPOINT OPERATING MANUAL 2306M5001 MAN0638 ISSUE 7 01/2011

4.3 Maximum Cable Lengths

4.3.1 mA Detectors

To calculate the maximum cable run length from power source to the detector refer to the

following example diagram and formula.

Rloop = (Vcontroller - 1.5V - Vdetector min) / Idetector

Maximum cable run length = Rloop / cable per metre resistance where:

Rloop = maximum working cable loop resistance

Vcontroller = maximum available supply voltage at controller

Vdetector min = minimum voltage at which the connected sensor can operate

(sensor dependent, see individual sensor technical manual/

data sheets)

Idetector = sensor maximum drawn current. 30mA for 2 wire mA detectors.

See individual detector technical manual/data sheets for max power

consumption of 3 wire detectors.

4.3.2 mV Detectors

To calculate the maximum cable run length to the detector refer to the following typical

example cable resistances. Max cable loop resistance = 28 ohms.

Solid Copper Conductor

Cross Sectional Area Maximum resistance at 20ºC

(mm2)AWG (ohm/bucle/km)

0.50 21 72

0.75 19 50

1.00 18 36

1.50 16 24

Stranded Copper Conductor

Cross Sectional Area Maximum resistance at 20ºC

(mm2)AWG (ohm/bucle/km)

0.50 21 73.6

0.75 19 49

1.00 18 35.2

1.50 16 23.4

UNIPOINT OPERATING MANUAL 2306M5001 MAN0638 ISSUE 7 01/2011

5 Default Conguration

Unipoint has user congurable settings that allow the set up of the system to individual

application requirements. Unipoint is supplied from the factory with a default conguration.

These congurations are based on settings typically used in gas detection systems.

Details of how to recongure Unipoint are given in section 7.

5.1 Unipoint mV Input Version

Function Default conguration

Password 000 (Disabled)

Display range and units 0-100%LEL

Alarm Relay 1 Alarm level 1 10%LEL (Rising)

Non-latching, normally de energized, energizes on alarm.

Relay activation delay=0 seconds

Relay de-activation hold=0 seconds

(Single Pole change over, 240Vac/30Vdc, 3A max)

Alarm Relay 2 Alarm level 2 25%LEL (Rising)

Non-latching, normally de energized, energizes on alarm.

Relay activation delay=0 seconds

Relay de-activation hold=0 seconds

(Single Pole change over, 240Vac/30Vdc, 3A max)

Alarm Relay 3 Alarm level 3 50%LEL (Rising)

Latching, normally de energized, energizes on alarm.

Relay activation delay=0 seconds

Relay de-activation hold=0 seconds

(Single Pole change over, 240Vac/30Vdc, 3A max)

Fault Relay Non-latching, normally energized, de-energizes on fault.

(Single Pole change over, 240Vac/30Vdc, 3A max)

Inhibit Controller inhibit activates fault relay.

5.2 Unipoint 4-20mA Input Version

Function Default conguration

Password 000 (Disabled)

Display range and units 0-100ppm

Current input 0 mA Fault (open circuit)

4.0 to 20.0mA Gas reading (normal operation)

1.5 to 2.5mA Inhibit from sensor (configuration mode)

>20.0mA Overrange

Alarm Relay 1 Alarm level 1 10% of full scale (Rising)

Non-latching, normally de energized, energizes on alarm.

Relay activation delay=0 seconds

Relay de-activation hold=0 seconds

(Single Pole change over, 240Vac/30Vdc, 3A max)

Alarm Relay 2 Alarm level 2 25% of full scale (Rising)

Non-latching, normally de energized, energizes on alarm.

Relay activation delay=0 seconds

Relay de-activation hold=0 seconds

(Single Pole change over, 240Vac/30Vdc, 3A max)

Alarm Relay 3 Alarm level 3 50%LEL (Rising)

Latching, normally de energized, energizes on alarm.

Relay activation delay=0 seconds

Relay de-activation hold=0 seconds

(Single Pole change over, 240Vac/30Vdc, 3A max)

Fault Relay Non-latching, normally energized, de-energizes on fault.

(Single Pole change over, 240Vac/30Vdc, 3A max)

Inhibit Controller inhibit activates fault relay and de-activates alarm relays.

Field inhibit active (1.5 to 2.5mA on detector input).

Detector Type 2 Wire 4-20mA

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