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Summary of Contents for Crowcon Detective Net
- Page 1 Detective Net User & Operator Manual Click here for navigation instructions Click here fo contents list Detective Net M070019/ENG Issue 1 Jul 2013...
- Page 2 NAVIGATION INSTRUCTIONS Contents The symbols in the left-hand margin of each page of the manual will enable you to carry out the following functions: Contents Click on this button to display the Contents page. Click on this button to display the previous page. Click on this button to display the next page.
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Page 3: Table Of Contents
CONTENTS Functional Overview ........5 Safety Information ........6 Glossary . - Page 4 Warranty ..........38 Crowcon contacts ........40...
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Page 5: Functional Overview
A gas alarm event on a Detective+ shall cause an alert to be transmitted to all other Detective Net devices on the network which in turn will cause all Detective+ units in the network to go into alert. -
Page 6: Safety Information
Before use ensure that the equipment is in good condition and that the enclosure is intact has not been damaged in any way. Overview • If there is any damage to the equipment do not use, contact your local Crowcon office or agent for repair/replacement Glossary •... - Page 7 When used and installed in accordance with IEC/EN60079-25 and IEC/EN60079-14, Detective NET is suitable for use in Zones 0, 1, 2 for Groups IIA, IIB or IIC and Temperature Classes T1 – T4 provided any device(s) Detective NET is connected to also provides an appropriate Level of Overview Protection, Group Classification and Temperature Classification.
- Page 8 Operation ABINGDON BUSINESS PARK OX14 1DY UNITED KINGDOM Specification • Detective Net is certified for use in ambient temperatures in the range -20°C to +55°C (-4 to Service and 131°F). maintenance Applicable Standards Troubleshooting Refer to equipment marking for confirmation of applicable certification before use.
- Page 9 ATEX Contents EN 60079-0:2012 Electrical apparatus for explosive gas atmospheres Part 0: General requirements EN 60079-11: 2012 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety “i” Overview IEC 60079-26:2007 Glossary Explosive atmospheres - Part 26: Equipment with protection level (EPL) Ga Operation II 1 G Ex ia IIC T4 Ga Tamb -20°C to +55°C Specification...
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Page 10: Glossary
A network will consist of one master device that controls the network; all other devices will be slave devices. Glossary Network Hopping Network hopping describes the process of the master Detective Net device communicating not Operation directly with a slave device but by passing the message through another slave device, or ‘hopping’. Specification Learn Mode All slave devices must be configured to operate with the master device in the wireless network. - Page 11 Modulated Alert Contents A Modulated Alert is a response of Detective Net to a problem with the Detective Net device, for example if a slave Detective Net device has lost connection to the network a modulated alert will be sent to the locally-attached Detective+.
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Page 12: Operation
1. Operation Contents 1.1 In the box Remove the Detective Net from the packaging and check for any visible damage. The following items will be included as standard: 1.1.1 Box contents • Detective Net Overview • Connection cable • Mounting adapter Glossary •... -
Page 13: Connection To Detective
1.3 Connection to Detective Contents Detective Net is provided with a standard 0.7m interconnecting cable. If Detective Net is required to be placed remotely from the Detective the standard Detective+ 10m and 20m interconnecting cable can be used (see Accessories table page 36). -
Page 14: Led Indications
1.4 LED indications Contents Detective Net provides four LED indications (numbered 1 to 4) to provide information as to the À status of the wireless device, network, alarm or alert. There is also a battery status LED Á Figure 4: LEDs À... -
Page 15: Led3 - Alarms (Red Led)
Troubleshooting Double flash Network alert event 1.4.4 LED4 – Master/Slave (Green LED) Accessories Indicates if the Detective Net is configured as a master or a slave device. Warranty Single Flash green Device configured as Master Device LED off Device configured as Slave Device Contacts 1.4.5 Battery Indication LED (Red LED) -
Page 16: Function Buttons
1.5 Function buttons Contents Detective Net has two buttons (FB1 and FB2 ) that control the functionality of the device. À Á Figure 5: Function buttons À Á Overview Glossary Operation Specification Service and maintenance Button functionality is as follows: Troubleshooting 1.5.1 Function Button 1 (FB1) -
Page 17: System Configuration
1.6 System Configuration Contents A Detective Net wireless network can be configured either before deployment of Detective+ units in an office or laboratory environment, or during deployment of Detective+ units in the field. The following sections detail how to setup and configure a wireless network. -
Page 18: Toggle Devices Between Master & Slave Functionality
1.6.3 Toggle Devices between Master & Slave Functionality Contents Each network requires only one master device; all other devices should be slave devices. One unit in the network should be configured as a master device and all other units should be configured as slave devices. -
Page 19: Network Connection Test
1.6.5 Network connection test Overview Once a network has been configured, deployed and connected to Detective+ units it is possible to undertake a network connection test to ensure all Detective Net devices are configured correctly and Glossary are within range on the network. -
Page 20: Adding Additional Slave Devices To The Network
1.6.6 Adding additional slave devices to the network Contents Once a network has been configured further slaves can be added to the network at any time: X On the master device, double-click FB2 to enter learn mode. X Take a device configured as a slave device ensuring it has been reset (see Section 1.6.2 page switch on and place a minimum of 1m apart from the master device, then double-click FB2 to enter learn... -
Page 21: Power Down Master Or Slave Device
X The slave will unlearn automatically and leave the network, if the slave successfully leaves the Contents network LED2 will flash green 3 times to indicate successful unlearn then will be extinguished to show device no longer on the network. LED1 flashes red to show device is powered. X If the unlearn process is unsuccessful, the slave device will indicate this as LED2 will flash red 3 times to show an unsuccessful unlearn then LED2 will revert would revert back to its previous state prior to the unlearn process. -
Page 22: Network Deployment
(see page 13). Operation Before deployment ensure no Detective Net devices are indicating a low battery. Any device with the battery indication LED illuminated should not be deployed and should be unlearned from the network Specification and replaced. Prior to powering the detective net device ensure the Detective + is powered and... -
Page 23: Force Communication
At this point all devices in the network should indicate a fully functioning network by flashing LED2 green. Glossary Once all Detective Net devices have been deployed a Network Connection test must be performed. This ensures all devices are functioning and correctly connected to the network. -
Page 24: Network Topology
If a configured device cannot be moved closer to an adjacent device, utilising the 10m or 20m cable accessory it can be removed from Detective + and elevated to improve wireless connectivity. 1.7.3 Network Topology Detective Net can be deployed in various standard topologies e.g. a ring or star network. Overview Figure 6: Network topology... - Page 25 20m interconnecting cable to obtain greater distance between Detective+ units. • Network hopping describes the process of the master Detective Net device communicating not directly with a slave device but by passing the message through another slave device, or ‘hopping’.
- Page 26 1.7.3.2 Repeaters Contents If required a Detective Net device can be utilized as a repeater only, that is without being connected to a Detective+. Repeaters can be used to increase network robustness in environmental areas that may be difficult to achieve reliable communications.
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Page 27: Alarms And Alerts
A Gas Alarm is initiated when a Detective+ unit detects gas and goes into alarm, Detective+ beacon and lights will then be in operation. A Gas Alarm will cause the locally attached Detective Net device to transmit an alert to all other Overview... -
Page 28: Modulated Alert
1.8.3 Modulated Alert Contents A Modulated Alert is a response of Detective Net to a local problem with the Detective Net device. It is not a response to a command via the wireless network. For example if a slave Detective Net device has lost connection to the network a modulated alert will be sent to the locally-attached Detective+. -
Page 29: Network Operation
Specification If a slave Detective Net device has lost connection to the master device, it will double flash LED2 Service and amber to indicate that connection has been lost and that it is attempting to re-establish connection. -
Page 30: Re-Establishing Network Connection
If the master Detective Net device is the cause of the slave device loosing connection to the Contents network, i.e. it has been inadvertently damaged or switched off, then all slaves devices will perform as described above and eventually all slave devices will initiate a Modulated Alert on the locally attached Detective+ unit. -
Page 31: Detective Net Device - Low Battery Alert
1.9.4 Detective Net Device - Low Battery Alert Contents Detective Net monitors its battery status and if the battery is at the end of its life the battery indication LED will be illuminated and this will initiate a Modulated Alert (see Section 1.8.3) on the locally... -
Page 32: Detective Net Specification
2. Detective Net specification Contents Table 1 Item Specification Size (d x l x w) 140 x 76 x 37 mm (excluding mounting clip) Weight Approx 173g (excluding mounting clip) Battery Non Rechargeable , 1 year plus battery life Shelf life: 3 years Temperature -20°C to +55°C... -
Page 33: Service And Maintenance
3. Service and maintenance Contents There are no user serviceable items internal to Detective Net devices, if the devices develops a fault it should not be opened or a repair attempted as this may impair intrinsic safety and invalidate safety certification and warranty of Detective Net. -
Page 34: Troubleshooting
4. Troubleshooting Contents Table 2 Symptom Cause Action A slave device will Slave and master devices not a Place master and slave device a not learn to a master minimum of 1m apart. minimum of 1m apart and repeat device. learn process. - Page 35 LED Use extended 10m or 20m 2 or by a slave device interconnecting cables to elevate not responding to a Detective Net to improve network network connection connectivity. Overview test. Deploy Detective Net devices...
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Page 36: Accessories
5. Accessories Contents Part Number Description M050066 Detective Net Identification Label E070028 Interconnecting Cable 0.7m E070010 Interconnecting Cable 10m E070011 Interconnecting Cable 20m M041147 Detective+ Fixed Mount Bracket M03219 Clip mounting screws Overview M040401 Protection Vent Glossary Operation Specification Service and... -
Page 37: Ricochet™ Mesh Technology
6. RICOCHET™ Mesh Technology Contents RICOCHET™ mesh technology is rapidly becoming the recognized standard for wireless systems in the security, life safety, industrial and building automation industries. RICOCHET™ mesh technology was created for three reasons: • To create a wireless mesh network technology for continually supervised battery operated devices. -
Page 38: Warranty
Crowcon spares for replacement parts or has been Accessories serviced or repaired by any party not authorised and certified by Crowcon to do so. The warranty does not cover misuse or abuse of the unit including use outside of specified limits. - Page 39 This guarantee shall not affect a customer’s statutory rights. Crowcon reserves the right to apply a handling and carriage charge whereby units returned as faulty, are found to require only normal calibration or servicing, which the customer then declines to proceed with.
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Page 40: Crowcon Contacts
Crowcon contacts Contents 2 Blacklands Way, Abingdon Business Park, Abingdon, OXON, OX14 1DY +44 (0) 1235 557700 sales@crowcon.com 21 Kenton Lands Road, Erlanger, Kentucky 41018-1845 +1 859 957 1039 salesusa@crowcon.com Overview Glossary Vlambloem 129, 3068JG, Rotterdam +31 10 421 1232 eu@crowcon.com...
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