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NL241 Wireless Network Link Interface

Type a name for your datalogger in the

Name

field. If your datalogger has

Security Code

TCP Password

, or

Encryption Key

, type those in the

corresponding field.

Press

SAVE

to save the changes.

3.4 Connect

You are now ready to connect to your 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.

4. Overview

The NL241 Wireless Network Link Interface is designed for communication

with Campbell Scientific dataloggers and peripherals over a Wi-Fi network.

The NL241 includes a

CS I/O

port and an

RS-232

port for communication. A

USB

port is used for configuring the NL241 device.

Содержание NL241

Страница 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...

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Страница 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...

Страница 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...

Страница 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...

Страница 6: ......

Страница 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...

Страница 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...

Страница 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...

Страница 10: ...Table of Contents iv...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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Страница 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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