Detcon SmartWireless CXT Manuale utente

Sm artW ireless® C X T

Mobile Gas Detection System

With Display

Operator’s Installation and Instruction Manual

DETCON, Inc.

4055 Technology Forest Blvd.,

The Woodlands, Texas 77381

Ph.713.559.9200 / Fax 281.298.2868

www.detcon.com

May 21, 2015 • Document #4408 • Revision 1.7

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Sentinel CXT Instruction Manual Rev. 1.7 ii

This page left intentionally blank

Shipping Address: 4055 Technology Forest Blvd., The Woodlands Texas 77381

Mailing Address: P.O. Box 8067, The Woodlands Texas 77387-8067

Phone: 713.559.9200 • Fax: 281.292.2860 • www.detcon.com •sales@detcon.com

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Sentinel CXT Instruction Manual Rev. 1.7 iii

Table ofC ontents

1. Introduction............................................................................................................................................1

1.1 Features ..........................................................................................................................................................1

1.2 Optional Components.....................................................................................................................................3

1.3 Alarms and Fault Condition ...........................................................................................................................3

1.4 Power Supply-Internal Rechargeable Battery and Charging Accessory ........................................................4

1.5 LCD Main Display Function.......................................................................................................................... 5

1.6 Radio Module.................................................................................................................................................6

1.7 Sensor Inputs..................................................................................................................................................6

1.8 Alarm Outputs................................................................................................................................................8

1.9 Power Switch................................................................................................................................................ 11

1.10 Power Connector.......................................................................................................................................... 11

1.11 External Modbus Connector......................................................................................................................... 11

1.12 Data Logging SD Card................................................................................................................................. 12

1.13 Remote Alarm Reset/Acknowledge Switch .................................................................................................12

1.14 Remote I/O Cabling Accessory and Safe Use.............................................................................................. 12

2. Safety G uidelinesforSafe U se............................................................................................................13

3. Installation............................................................................................................................................15

3.1 Initial Setup ..................................................................................................................................................15

4. R echarging the Internal Battery Pack ...............................................................................................21

4.1 Non-Hazardous and Indoor Location........................................................................................................... 21

4.2 Connecting to Mains Supply........................................................................................................................ 21

5. System C onfiguration..........................................................................................................................21

5.1 System Operation ......................................................................................................................................... 21

5.2 Operator Interface.........................................................................................................................................21

5.2.1 Magnetic Programming Tool.................................................................................................21

5.2.2 Front Panel User Interface....................................................................................................22

5.3 Main Display Functions ............................................................................................................................... 23

5.3.1 Sensor Group.........................................................................................................................23

5.3.2 Transceiver Group.................................................................................................................23

5.3.3 YYY% - represents the link quality of the transceiver. Relay Module...................................23

5.3.4



ALM TEST = CXT Controller is in Alarm Test modeWireless Alarm Station/BM25.........23

5.4 Menu Mode .................................................................................................................................................. 24

5.4.1 Auto Configure System...........................................................................................................25

5.4.2 Set Channel Data...................................................................................................................26

5.4.3 Set Channel Alarms ...............................................................................................................28

5.4.4 Set Relay (Alarm) Functions..................................................................................................29

5.4.5 Inhibit and Alarm Test Mode.................................................................................................30

5.4.6 System Diagnostics................................................................................................................30

5.4.7 Time and Date........................................................................................................................31

5.4.8 View TWA and Peak ..............................................................................................................32

5.5 BM25 Portable Gas Monitor Configuration.................................................................................................32

5.6 Wireless Sensor Configuration.....................................................................................................................33

5.7 Four-Strobe Alarm Bar Configuration ......................................................................................................... 33

6. M aintenance and Service Personnel A ctivities..................................................................................34

6.1 Removal of SD Card ....................................................................................................................................34

6.2 Installation of SD Card.................................................................................................................................34

6.3 Replacement of Condensation Prevention Packet ........................................................................................ 35

6.4 Replacement of Lithium Ion Battery Pack (and Coin Cell)..........................................................................35

6.5 Proper Cleaning Procedure........................................................................................................................... 35

6.6 Servicing Risks and Verification of Safe State after Servicing.................................................................... 35

7. M odbus™Slave C om m unicationsPort.............................................................................................36

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Sentinel CXT Instruction Manual Rev. 1.7 iv

7.1 Modbus™Register Map...............................................................................................................................36

8. Troubleshooting G uide........................................................................................................................39

9. C ustom erSupportand Service Policy...............................................................................................40

10. W arranty N otice ..............................................................................................................................41

11. A ppendix...........................................................................................................................................42

11.1 Specifications................................................................................................................................................42

11.2 Utilities .........................................................................................................................................................43

11.2.1 Set RF Silence and RF Sleep..................................................................................................43

11.2.2 Set Low Battery Alarms .........................................................................................................44

11.2.3 Set Modbus™Address...........................................................................................................44

11.2.4 CXT Low Battery Threshold ..................................................................................................44

11.2.5 Module Update Interval.........................................................................................................45

11.2.6 DA4 Emulation ......................................................................................................................45

11.2.7 Set COMM Baud Rates..........................................................................................................46

11.2.8 Set Modbus™Timeouts.........................................................................................................46

11.2.9 Display Settings .....................................................................................................................46

11.3 Spare Parts and Wireless Accessories...........................................................................................................47

11.4 Revision Log.................................................................................................................................................48

Table ofFigures

Figure 1 SmartWireless® CXT Controller......................................................................................................1

Figure 2 CXT Controller System Integration Description...............................................................................3

Figure 3 SmartWireless® CXT Radio Module................................................................................................6

Figure 4 Sensor Input PCA..............................................................................................................................7

Figure 5 Sensor Input Connector Pin-out ........................................................................................................8

Figure 6 Relay PCA.........................................................................................................................................8

Figure 7 5-pin External Alarm Connector for ‘Wet’ Alarm Contacts.............................................................9

Figure 8 6-pin External Alarm Connector for ‘Wet’ Alarm Contacts...........................................................10

Figure 9 External Alarm Connector Pin out for ‘Dry’ alarm contacts...........................................................10

Figure 10 Power Connector...........................................................................................................................11

Figure 11 Modbus Port..................................................................................................................................12

Figure 12 Mount CXT on Tripod ..................................................................................................................16

Figure 13 Attach Sensor Brackets to Tripod..................................................................................................16

Figure 14 A1 C1D2 Alarm Connections .......................................................................................................17

Figure 15 Enclosure.......................................................................................................................................18

Figure 16 Connector to Transceiver ..............................................................................................................18

Figure 17 Battery Bracket in position............................................................................................................19

Figure 18 Battery and Battery Bracket ..........................................................................................................19

Figure 19 Battery Connections......................................................................................................................20

Figure 20 Magnetic Programming Tool ........................................................................................................22

Figure 21 Front Panel User Interface.............................................................................................................22

Figure 22 Menu Flow Chart...........................................................................................................................25

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Sentinel CXT Instruction Manual Rev. 1.7 v

Shipping Address: 4055 Technology Forest Blvd., The Woodlands Texas 77381

Mailing Address: P.O. Box 8067, The Woodlands Texas 77387-8067

Phone: 713.559.9200 • Fax: 281.292.2860 • www.detcon.com •sales@detcon.com

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Sentinel CXT Instruction Manual Rev. 1.7 Page 1 of 49

1.Introduction

1.1 Features

The Detcon SmartWireless® CXT controller (Figure 1) is a multi-channel mobile gas detection control

system that may be wall mounted or mounted on a Detcon tripod accessory. The CXT can be utilized for

self-contained gas detection, display/alarm system package or wirelessly connected to the main network.

The controller offers a non-intrusive magnetic interface with backlit LCD display that supports either

wireless or a hard wire connection to gas detection sensors. The CXT is equipped with an auto configure

system to automatically search for Detcon equipment associated with the controller.

Remote mounted gas detection sensors include any analog 4-20maDC device such as;

toxicgas,

com bustiblegas,or

oxygendeficiency sensors.

Antenna

Strobe

Power

Switch

RXT-320

Transceiver

4 Relay Board and

4-20mA Input Board

Alarm Horn

Battery Pack

Sensor Ports

Ext Alarm

Connector

Reset

Switch

Power

Connector

Figure 1 SmartWireless® CXT Controller

Standalone wireless sensors or a maximum of four wired sensors can be monitored by the SmartWireless®

CXT. The SmartWireless® CXT control package is a Division 2 assembly housed in a 316 stainless steel

enclosure that offers various connector options for multiple configurations.

System components of the SmartWireless® gas detection system include;

S m artW irelessCX T Controller

S m artW irelessCX S ensorS tation,

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Sentinel CXT Instruction Manual Rev. 1.7 Page 2 of 49

alarm stationsand

gasdetectionsensors

BM 25 P ortable GasDetector

Sm artW ireless® C X T C ontroller

The Detcon SmartWireless® CXT controller is a multi-channel mobile gas detection control system

mounted on a tripod or wall mounted. The CXT can be utilized as a self-contained gas detection,

display/alarm system package or wirelessly connected to the main network. The CXT is equipped with an

auto configure system to automatically search for Detcon equipment associated with the controller.

Sm artW ireless® C X

The SmartWireless® CX Sensor Station is an accessory to the SmartWireless® CXT. The CX wirelessly

transmits the data from up to 4 wired sensors back to the CXT and includes a battery that powers the radio,

alarm devices, and the attached sensors.

A larm Stations

Alarm stations can be used as part of the gas detection system. Class I Division 1 and Class I Division 2

alarm stations are available. The stations are battery powered and controlled wirelessly by the CXT. The

strobe and horn installed on the CX are activated by the CXT when the alarms levels are reached.

Alarm options for the CXT are as follows:

1. Integral audio visual mounted on the control panel (Class 1; Division 2 Groups A,B,C,D only)

2. Standalone audio visual alarm station (Class 1; Division 2)

3. Standalone audio visual alarm station (Class 1; Division 1)

4. Four-strobe or two-strobe alarm bar powered directly by the SmartWireless® CXT controller

G asD etectionSensors

Gas sensors with a 4-20mA output can be connected directly to the CXT. The Detcon CXT-IR and CXT-

DM sensors are designed to be used wirelessly with the SmartWireless® CXT.

BM 25Portable G asD etector

The BM 25 is a portable gas detector that can be used in explosive gas atmospheres according to directive

ATEX 94/9/EC and the IECEx international certification system. It provides simultaneous detection of up

to 5 gases present in the air by means of sensors specific to each risk to be evaluated (under-oxygenation,

explosive or toxic gases).

The BM 25A is powered by an interchangeable and rechargeable battery pack. Under normal operating

conditions, and depending on the sensor configuration, operating runtime varies between a minimum of 75

hours and a maximum of 170 hours (100 hours standard).

Figure 2 provides a complete systematic description of the CXT Controller System with Integration

Options.

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Sentinel CXT Instruction Manual Rev. 1.7 Page 3 of 49

CX Sensor

Station

Wireless Alarm

Station

CX Sensors

CXT Controller

CXT Sensors

*Maximum of 32

CXT Sensors

*Maximum of 4

Sensors

CX Sensors

*Maximum of 4

Devices

12VDC Annuciator

Devices

Detcon Battery

Charger

11.VDC,

<2 Amp total 11.VDC,4-20mA

Signal input

(Plug-In VAC Outlet)

* Conducted only in

Safe Area

*Maximum of 4

Sensors

BM25

Figure 2 CXT Controller System Integration Description

A ssociated A ccessories

The accessories associated for the CXT Controller product are as follows:

Detcon Tripod

Detcon Battery Charging Accessory

Detcon Division 2 cables (various)

Detcon Programming Magnet

Detcon Operators Manual

1.2 O ptional C om ponents

Optional components for the SmartWireless® CXTController are as follows:

resetsw itch

tw oorfoursensorports

strobe

horn

external‘W et’ or‘Dry’ alarm port

1.3 A larm sand FaultC ondition

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Sentinel CXT Instruction Manual Rev. 1.7 Page 4 of 49

The CXT alarms are used to activate annunciating devices when a gas reading exceeds a user-configured

threshold. There are three alarms (Alarm1, Alarm2 and Alarm3) and a fault condition. If installed, the

strobe is associated with Alarm 1, and the horn is associated with Alarm2. The external alarm connector

provides all alarm outputs (alarm 1, 2 and 3) for connection to external alarm devices. There are two types

of external alarm connectors: ‘Wet’ and ‘Dry’. The ‘Wet output connector provides 12V outputs for

external alarms or the two-strobe/four-strobe alarm bar. The ‘Dry’ output connector provides dry contacts

for external power to control external alarms. The field configurable user interface permits the user to set

alarm values and fault conditions to cause an assigned relay to fire, triggering external alarm devices. The

assigned relay outputs will return to normal state when a gas alarm or a fault condition clears. When the

alarm level is reached either the devices mounted to the box or attached to the external alarm connector are

activated, or both. An external manual switch can be wired to the CXT, acting as an acknowledge/reset

switch (Section 1.13).

When the CXT is in alarm, the display will remain on the channel group with the alarm. The user can

manually cycle to any group page that exists using the arrow switches. After a time out period, the CXT

will resume page cycle protocols based upon the existence of alarms/faults. Four LED indicators on the

front panel show alarm/fault alarm output status and are labeled respectively as ALM 1 (yellow), ALM 2

(yellow), ALM 3 (red), and FAULT (blue).

All alarms can be configured as Energized/De-Energized, Latching/Non-Latching and Silenceable/Non-

Silenceable for the relays.

Energized M ode

The normally open contact is closed if the alarm level has not been reached or if the sensor is not in fault.

Energized mode provides for fail-safe operation since a loss of power or cable failure will cause the contact

to be open.

D e-Energized M ode

The normally open contact is open if the alarm level has not been reached or if the sensor is not in fault.

Silenceable

The corresponding alarm LED and relay can be deactivated by acknowledging the Alarm Silence function

on the front panel of the CXT controller or by activating the external acknowledge switch if installed

(Section 1.13 and 5.2.2).

N on-Silenceable

The corresponding alarm LED and relay will remain activated until the cause of the alarm or fault is clear.

L atching M ode

The relay can only be deactivated by acknowledging the Alarm Reset function on the front panel of the

CXT controller or by activating the external reset switch if installed (Section 1.13 and 5.2.2).

N on-L atchingM ode

The relay is deactivated as soon as the sensor alarm or fault condition is clear.

1.4 PowerSupply-Internal R echargeable Battery and C harging

A ccessory

SmartWireless® CXT is powered by an internal rechargeable Smart Battery capable of delivering

continuous operation in a no alarm condition for two to eight weeks depending on the quantity and type of

sensors tied to the control panel. The internal re-chargeable battery pack shall only be charged in a non-

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