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NL241 Wireless Network Link Interface

9

FIGURE 4-3. Bridge mode disabled

Some reasons you might want to use each of these modes are described below.

Refer to Section

Configuring the NL241

(p. 17)

, and Section

(p.

, for information on setting up your NL241 for each mode.

Campbell Scientific’s

LoggerNet

software is used to communicate with the

dataloggers once the NL241 is configured properly and connected to a

network.

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Summary of Contents for NL241

Page 1: ...INSTRUCTION MANUAL NL241 Wireless Network Link Interface 8 17 C o p y r i g h t 2 0 1 1 2 0 1 7 C a m p b e l l S c i e n t i f i c I n c...

Page 2: ......

Page 3: ...ucts to CSI CSI will return such Products by surface carrier prepaid within the continental United States of America To all other locations CSI will return such Products best way CIP port of entry per...

Page 4: ...ing address is CAMPBELL SCIENTIFIC INC RMA _____ 815 West 1800 North Logan Utah 84321 1784 For all returns the customer must fill out a Statement of Product Cleanliness and Decontamination form and co...

Page 5: ...beginning work Wear a hardhat and eye protection and take other appropriate safety precautions while working on or around tripods and towers Do not climb tripods or towers at any time and prohibit cl...

Page 6: ......

Page 7: ...ower 15 6 6 LED 15 6 7 Mode Button 16 7 Configuring the NL241 17 7 1 Configuring the NL241 with DevConfig via USB 17 7 2 Configuring the NL241 with DevConfig via Wi Fi WLAN 18 7 3 Configuring the NL24...

Page 8: ...ons 33 9 1 Working Around Firewalls 33 9 1 1 Configuring the NL241 33 9 1 2 Configuring the Datalogger 34 10 Troubleshooting 34 11 Attributions 37 Appendices A Glossary A 1 B Cables Pinouts LED Functi...

Page 9: ...9 5 1 NL241 dimensions 11 6 1 Infrastructure network 14 8 1 PakBus router LoggerNet setup 23 8 2 Bridge mode LoggerNet setup 26 8 3 CS I O serial server LoggerNet setup 28 8 4 TLS proxy server config...

Page 10: ...Table of Contents iv...

Page 11: ...nd the gain of the attached antenna do not exceed the maximum allowed ERP permitted by local regulations Regulations vary by country and region As the equipment owner you are responsible for making su...

Page 12: ...ogger using a smart phone with Campbell Scientific s LoggerLink Mobile App 3 1 Physical Setup As shown in FIGURE 3 1 attach an antenna to the NL241 Antenna connector Using the supplied serial cable co...

Page 13: ...DevConfig 4 Under Device Type select Network Peripheral NL241 5 Click the Browse button next to Communication Port 6 Select the virtual com port labeled NL241 7 Click OK 8 Click Connect 9 Click the W...

Page 14: ...he Apple App Store Download and install the app 2 Connect your iOS or Android device to the Wi Fi network created by the NL241 NL241_SerialNumber by default For Android users you may get a message say...

Page 15: ...1 Wireless Network Link Interface 5 4 With TCP selected press the UDP icon next to the Address field to automatically discover IP devices on the network 5 Select the NL241 address 192 168 67 1 by defa...

Page 16: ...all necessary fields in the Logger Setup screen will be filled in automatically To enter the information by hand manually type the IP address of the NL241 in the Address field under TCP Settings Leav...

Page 17: ...r datalogger using LoggerLink Select the datalogger from the LoggerLink home screen and LoggerLink will connect to the datalogger From there you can view and collect data or manage datalogger settings...

Page 18: ...ee FIGURE 4 3 the NL241 can provide multiple services simultaneously including TCP Serial Server TCP Serial Client Modbus TCP IP Gateway and PakBus router The NL241 can act as a serial server and PakB...

Page 19: ...f these modes are described below Refer to Section 7 Configuring the NL241 p 17 and Section 8 Operation p 20 for information on setting up your NL241 for each mode Campbell Scientific s LoggerNet soft...

Page 20: ...server Allows access to an RF500M Base over a Wi Fi network RS 232 serial server PakBus Router Allows access to a CR10X PB over a Wi Fi Network Allows access to a CR200X over a Wi Fi Network Allows y...

Page 21: ...tor not USB 9 to 16 Vdc If you wish to prevent the NL241 from being powered over the CS I O port you can do so by removing a jumper See Appendix B Cables Pinouts LED Function and Jumper p B 1 for more...

Page 22: ...232 Port DTE 1200 bps to 115 2 kbps WLAN Antenna Connector RPSMA Supported Technologies 802 11b g n WPA WPA2 Personal WPA WPA2 Enterprise Security WEP Client Mode WPA WPA2 Personal and Enterprise WEP...

Page 23: ...maintained The NL241 supports the 802 11b 802 11g and 802 11n wireless network standards The NL241 also supports several wireless security protocols These include WEP Wired Equivalent Privacy WPA Wi...

Page 24: ...address of the DHCP server pool is the address of the device minus 100 There are 20 entries in the DHCP server pool thus the ending address in the pool is the beginning address plus 20 By default the...

Page 25: ...unications at 2 4 GHz 2 401 to 2 483 GHz Ideally the antenna will be connected directly to the NL241 or positioned in such a way as to minimize coaxial cable length Note that coaxial cables attenuate...

Page 26: ...t remove power until the LED stops blinking 6 7 Mode Button The behavior of the Mode button is determined by the Mode Button Configuration setting on the DevConfig Wi Fi tab Disable Button If this con...

Page 27: ...ter You can connect your NL241 to DevConfig using either a Wi Fi connection or USB 7 1 Configuring the NL241 with DevConfig via USB INSTALL the DEVICE DRIVER BEFORE plugging the NL241 into your comput...

Page 28: ...een once every few seconds on the created network or an idle network 3 If the device is configured to create a network the computer must join the NL241 created network If the NL241 has been previously...

Page 29: ...d press Enter to change the value The up and down arrow keys on your keyboard can also be used to navigate through the settings 7 After progressing through all of the NL241 settings type save to accep...

Page 30: ...pt to join the network infrastructure or ad hoc specified by the SSID setting 1 Connect to the NL241 in DevConfig see Section 7 Configuring the NL241 p 17 2 Click the Wi Fi tab 3 Set Configuration to...

Page 31: ...NL241 can route packets to other devices in the network that it has in its routing table These are devices that the NL241 has learned about through beaconing or allowed neighbor lists Beacon Interval...

Page 32: ...y power the NL241 through the barrel connector jack located on the edge of the device Connect the NL241 to your local wireless network by attaching an antenna to the NL241 antenna connector Ensure tha...

Page 33: ...TCP Service Port is 6785 Unless firewall issues exist it is not necessary to change the port from its default value 8 2 1 3 LoggerNet Setup 1 In the LoggerNet Setup Screen click Add Root and select IP...

Page 34: ...onnect the NL241 CS I O port to the datalogger CS I O port Ensure that the device is powered up by inspecting the LED 8 2 2 2 Configuring the NL241 Connect to the NL241 in DevConfig see Section 7 Conf...

Page 35: ...et Setup The next step is to run LoggerNet and configure it to connect to the datalogger via the Wi Fi port See example in FIGURE 8 2 below Note that your LoggerNet computer must be part of the same n...

Page 36: ...ion 8 2 3 1 Physical Setup Using the supplied serial cable connect the NL241 CS I O port or RS 232 port to the datalogger CS I O or RS 232 port respectively The NL241 will be powered if connected via...

Page 37: ...ue SDC address o Make note of the Serial Service Port The default CS I O Serial Service Port is 6783 Typically it is not necessary to change this entry from its default 8 2 3 3 LoggerNet Setup The nex...

Page 38: ...CP socket connection to the IP address and port number specified by the Serial Client Address and Serial Client Port settings Data received on the RS 232 port will be forwarded to this TCP connection...

Page 39: ...re supported The TLS implementation supports symmetric algorithms AES 256 AES 128 and RC4 and RSA keys up to 4096 bits For any TLS connection the unit will preferentially use AES 256 then AES 128 and...

Page 40: ...er requesting some service such as a file connection webpage or other resource available from a different server The proxy server evaluates the request according to its filtering rules For example it...

Page 41: ...S I O port or with a datalogger over a Wi Fi connection open DevConfig and configure the following settings Settings Editor TLS Proxy Server tab Set the TLS Proxy Server setting to enable Enter the TL...

Page 42: ...e datalogger using DevConfig and select the CS I O IP tab Set the CS I O Interface IP Address to a static IP address Use the datalogger CS I O Interface that corresponds to the NL241 CS I O IP Interfa...

Page 43: ...bridge mode it cannot be configured via a secure network connection because in bridge mode the TLS stack is not initialized It can be configured via USB RS 232 or an unsecured network connection 9 App...

Page 44: ...the changes and then close DevConfig 10 Troubleshooting This section covers some common problems that might be encountered when using the NL241 This is not comprehensive but should provide some insigh...

Page 45: ...ther Your network administrator can help with this For example the following addresses are able to communicate NL241 IP address 192 168 0 2 Network Mask 255 255 255 0 Computer IP address 192 168 0 3 N...

Page 46: ...ttent connection it may be necessary to lower the Maximum Packet Size of the datalogger in LoggerNet Setup and or add Extra Response Time to the PakBus Port in LoggerNet Setup 10 Reset the NL241 to it...

Page 47: ...ovided that the following conditions are met 1 Redistributions of source code must retain the above copyright notice this list of conditions and the following disclaimer 2 Redistributions in binary fo...

Page 48: ...NL241 Wireless Network Link Interface 38...

Page 49: ...the act of connecting two network interfaces at the data link layer The NL241 acts as a semi transparent bridge passing without alteration IP packets between the Wi Fi and CS I O ports DHCP Dynamic Ho...

Page 50: ...tions protocol The protocol allows multiple peripherals to be connected to the same device as long as each peripheral has a unique SDC address Serial Server A serial server also referred to as a termi...

Page 51: ...TXD RXD B 2 RS 232 A DB9 female to DB9 male cable such as Campbell Scientific pn 10873 is used to connect the NL24 RS 232 port to the datalogger RS 232 port The supplied SC12 cable can also be used A...

Page 52: ...powered off or the Wi Fi has been disabled via the Mode button configuration or via an IPNetPower instruction from the datalogger See Section 6 7 Mode Button p 16 for information on the Mode button co...

Page 53: ...crews on the top of the NL241 remove the NL241top cover remove the jumper above the red LED and place it so that it is connected to only one post With the jumper connected to only one post the NL241 c...

Page 54: ...Appendix B Cables Pinouts LED Function and Jumper B 4...

Page 55: ...ets that come in to the device via Ethernet will be communicated to a datalogger over the CS I O port Some filtering is done in order to minimize the amount of traffic on the CS I O port but every pac...

Page 56: ...elevant for proper datalogger IP communication If desired other codes may be entered to filter out certain packet types A packet is forwarded to the datalogger if its corresponding bit is set in the B...

Page 57: ...ed from the datalogger and cannot be edited here It must be edited in the datalogger settings The setting obtained from the datalogger will be displayed in the Status box on the Deployment NL241 tab D...

Page 58: ...for some reason the device cannot join the desired SSID that is network out of range or incorrect parameters it will go to a low power state and periodically approximately every 1 minute retry Create...

Page 59: ...A2 encryption The password must be at least 8 characters If a password is not supplied an open unencrypted network will be created When joining a network the device supports 64 bit WEP and 128 bit WEP...

Page 60: ...ting a channel it should be noted that two Wi Fi networks operating on the same channel will interfere with each other and will have to compete for bandwidth The center frequencies of adjacent channel...

Page 61: ...WLAN Domain Name This setting is only relevant when the Wi Fi Configuration is set to Create a Network When attempting to communicate with the device attached Wi Fi client devices can use the domain...

Page 62: ...listening connection is specified in the RS 232 Service Port setting The device will convert incoming Modbus TCP frames to Modbus RTU and forward them to the RS 232 port The device will wait for a res...

Page 63: ...Down Port When Inactive and it will allow the RS 232 port to power down when not in use in order to conserve power Always On The device will not power down the RS 232 port The port will remain active...

Page 64: ...as neighbors on the RS 232 port If the list is empty the default value any node will be accepted as a neighbor This setting will not affect the acceptance of a neighbor if that neighbor s address is...

Page 65: ...coming MODBUS TCP frames to MODBUS RTU and forward them to the CS I O port The device will wait for a response from the MODBUS RTU device and forward the response back to the remote MODBUS TCP client...

Page 66: ...no other communication has taken place within the interval CS I O Modbus Timeout This setting determines how long in milliseconds the MODBUS TCP to MODBUS RTU gateway will wait for an answer from the...

Page 67: ...e PakBus TCP service port If the client fails to respond appropriately the connection will be terminated If this password is blank the default value no authentication will take place PakBus TCP Client...

Page 68: ...sable the TLS Proxy Server When doing TLS proxy communications the device s TLS server maintains a secure TLS connection with a remote TLS client and forwards information onto a datalogger using a sta...

Page 69: ...will obtain the IP address of the datalogger automatically The datalogger must be configured with a static IP address that is unique and that exists on the same subnet as the NL241 s IP address If th...

Page 70: ...ey Password Specifies the password that is used to decrypt the TLS Private Key This setting can only be edited transmitted if the DevConfig link is considered secure USB or TLS If the TLS stack has be...

Page 71: ...e file has been sent the LED on the NL241 will blink repeatedly while the NL241 copies the OS into its internal flash Depending upon the operating system that was previously installed it may take up t...

Page 72: ...rk you may be able to use the button to the right of Communication Port to discover the list of devices on the network Whatever address is entered it must end with 6786 in order to connect the device...

Page 73: ...does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of...

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Page 76: ...ua Apinag s nbr 2018 Perdizes CEP 01258 00 S o Paulo SP BRASIL www campbellsci com br vendas campbellsci com br Campbell Scientific Canada Corp 14532 131 Avenue NW Edmonton AB T5L 4X4 CANADA www campb...

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