Campbell NL240 Instruction Manual Download Page 1

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INSTRUCTION

MANUAL

NL240 Wireless

Network Link Interface

Revision: 4/15

C o p y r i g h t © 2 0 1 1 - 2 0 1 5

C a m p b e l l S c i e n t i f i c , I n c .

Summary of Contents for NL240

Page 1: ...INSTRUCTION MANUAL NL240 Wireless Network Link Interface Revision 4 15 C o p y r i g h t 2 0 1 1 2 0 1 5 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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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: ...g container Campbell Scientific s shipping 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 Clea...

Page 5: ...ore 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...

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Page 7: ...2 6 6 LEDs 12 7 Configuring the NL240 13 7 1 Configuring the NL240 with DevConfig via USB 13 7 2 Configuring the NL240 with DevConfig via Wi Fi WLAN 14 7 3 Configuring the NL240 with Telnet via Wi Fi...

Page 8: ...ng Around Firewalls 29 9 1 1 Configuring the NL240 29 9 1 2 Configuring the Datalogger 30 10 Troubleshooting 30 11 Attribution 33 Appendices A Glossary A 1 B Cables Pinouts LED Function and Jumper B 1...

Page 9: ...ns 8 6 1 Infrastructure network 11 6 2 Ad hoc network 11 8 1 PakBus router LoggerNet setup 19 8 2 Bridge mode LoggerNet setup 22 8 3 CS I O Serial Server LoggerNet Setup 24 8 4 TLS proxy server config...

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

Page 11: ...test version of DevConfig can be downloaded from our website at www campbellsci com downloads The device driver for the NL240 must be installed on your computer before you can connect to the NL240 via...

Page 12: ...is powered up by inspecting the Power LED FIGURE 3 1 NL240 with CR800 powered through CS I O port 3 2 Configuring the NL240 INSTALL THE DEVICE DRIVER BEFORE plugging the NL240 into your PC for the fir...

Page 13: ...to connect to and click OK If this is a secured network enter the password in the Password field Click on the NL240 tab To enter a static IP address select disable in the Use DHCP field Then input th...

Page 14: ...look like 2001 db8 1234 5678 6785 A fully qualified host name entry may look like yourlogger com 6785 Add a PakBus Port PakBusPort Add a PakBus Router pbRouter Input the PakBus address of the NL240 Th...

Page 15: ...Mode Enabled The NL240 can be configured to bridge WLAN and CS I O communications see FIGURE 4 2 This mode is used for providing access to the internal IP functionality of the CR800 850 CR1000 and CR...

Page 16: ...I O PakBus router an RS 232 PakBus router and a CS I O serial server or an RS 232 PakBus router and a CS I O PakBus router In addition the NL240 can act as TLS proxy server The TLS proxy server is ind...

Page 17: ...SC105 Allows access to a serial sensor over a Wi Fi network RS 232 serial server Allows access to an RF500M Base over a Wi Fi network RS 232 serial server PakBus Router Allows access to a CR10X PB ove...

Page 18: ...2 65 x 1 in FIGURE 5 1 NL240 dimensions Power CS I O or DC Barrel Connector not USB 7 to 20 Vdc If you wish to prevent the NL240 from being powered over the CS I O port you can do so by removing a jum...

Page 19: ...5 C Configuration DevConfig over USB or Wi Fi Telnet console over Wi Fi Terminal menu over RS 232 CS I O Port SDC 7 8 10 11 does not support ME 9600 to 460 8 kbps RS 232 Port DTE 1200 bps to 115 2 kbp...

Page 20: ...levels are maintained The NL240 supports the 802 11b 802 11g and 802 11n wireless network standards The NL240 Wi Fi device also supports several wireless security protocols These include WEP Wired Equ...

Page 21: ...or via AutoIP It can take up to two minutes to find a usable IP address using AutoIP FIGURE 6 2 Ad hoc network Once the network is established by the first wireless device subsequent wireless devices...

Page 22: ...cations at 2 4 GHz 2 401 to 2 483 GHz Ideally the antenna will be connected directly to the NL240 or positioned in such a way as to minimize coaxial cable length Note that coaxial cables attenuate sig...

Page 23: ...slow blink and get faster and faster as the process nears completion This process can take around 1 5 minutes Again do not remove power until the LED stops blinking 7 Configuring the NL240 The NL240 i...

Page 24: ...he Communication Port field If you do not know the address of the device and the device is connected to your local area network you may be able to use the browse button to the right of Communication P...

Page 25: ...known device type or HyperTerminal are examples of simple terminal emulators The default settings for this interface are 115200 baud 8 stop bits no parity 1 stop bit no flow control Power cycle the NL...

Page 26: ...Section 6 5 Power p 12 Click Apply to save your changes If for some reason the device cannot join the desired network for example out of range or incorrect parameters it will go to a low power state a...

Page 27: ...mines how often a beacon will be sent out Set the beacon interval to 0 to disable beacons Verify Interval This interval in seconds determines the rate at which the NL240 will attempt to start a hello...

Page 28: ...ighbors Allowed as described above Often the default values can be used However an allowed neighbors list can be useful in restricting communication paths On the Network Services tab o Make note of th...

Page 29: ...In the LoggerNet Setup screen press Add Root and choose IPPort Input the NL240 s IP address and port number The IP address and port number are input on the same line separated by a colon Add a PakBus...

Page 30: ...serial cable connect the NL240 CS I O port to the datalogger CS I O port Ensure that the device is powered up by inspecting the Power LED 8 2 2 2 Configuring the NL240 Connect to the NL240 in DevConfi...

Page 31: ...terface 1 communicates over SDC address 3 8 2 2 4 LoggerNet 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 In...

Page 32: ...n 8 2 3 1 Physical Setup Using the supplied serial cable connect the NL240 CS I O port or RS 232 port to the datalogger CS I O or RS 232 port respectively The NL240 will be powered if connected via CS...

Page 33: ...ique SDC address o Make note of the Service Port The default CS I O Service Port is 6783 Typically it is not necessary to change this entry from its default 8 2 3 3 LoggerNet Setup The next step is to...

Page 34: ...ngs Data received on the RS 232 port will be forwarded to this TCP connection and data received on the TCP connection will be forwarded to the RS 232 port This mode can be particularly useful when an...

Page 35: ...128 and finally RC4 X 509 certificates are supported with the exception of v3 extensions Certificates should be PEM format Up to 10 certificates can be chained 10 kB of space is provided for certifica...

Page 36: ...a different server The proxy server evaluates the request according to its filtering rules For example it may filter traffic by IP address or protocol If the request is validated by the filter the pr...

Page 37: ...port or with a datalogger over an Wi Fi connection open DevConfig and configure the following settings Settings Editor TLS Proxy Server Tab Set the TLS Proxy Server setting to enable Set the TLS Prox...

Page 38: ...talogger 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 s CS I O Interface that corresponds to the NL240 s CS I O IP Interfa...

Page 39: ...L240 is in 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 conne...

Page 40: ...then close DevConfig 10 Troubleshooting This section covers some common problems that might be encountered when using the NL240 This is not comprehensive but should provide some insight and ability t...

Page 41: ...k 255 255 255 0 If you are using DHCP to assign an IP address to the NL240 use DevConfig to read the IP address assigned to your NL240 This is done through a USB connection to the NL240 while the NL24...

Page 42: ...faults button in DevConfig or by using the Defaults command in a telnet session with the NL240 10 Verify you are running the latest revision of firmware operating system It is possible that an issue a...

Page 43: ...n type eventlog erase at the prompt to clear the log If you want to add a date to indicate when the logs were last cleared you can enter eventlog erase date where date is a string of up to 8 character...

Page 44: ...NL240 Wireless Network Link Interface 34...

Page 45: ...time set by the network administrator The address may change if the NL240 is powered down Hello Exchange A communication exchange that establishes two PakBus devices as neighbors A hello command pack...

Page 46: ...link Proxy Proxy Server A device that acts as an intermediary for IP communications between two clients In the context of this manual the NL240 acts an intermediary between two or more clients requir...

Page 47: ...S 232 A DB9 female to DB9 male cable such as Campbell Scientific part number 10873 is used to connect the NL240 s RS 232 port to the datalogger s RS 232 port The supplied SC12 cable can also be used A...

Page 48: ...In Pin Function Center 7 20 Vdc Sleeve Power GND B 5 LEDs TABLE B 5 Power LED Red State Description Off Device powered off On solid After power up Searching for and trying to join a Wi Fi network crea...

Page 49: ...If you wish to prevent the NL240 from being powered over the CS I O port remove the two screws on the top of the NL240 remove the NL240 s top cover remove the jumper above the red LED and place it so...

Page 50: ...Appendix B Cables Pinouts LED Function and Jumper B 4...

Page 51: ...packets that come in to the device via Wi Fi 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 p...

Page 52: ...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 Bridge Mode...

Page 53: ...re It must be edited in the datalogger settings If the setting has been successfully obtained from the datalogger this setting will show OK otherwise it will show 0 0 0 0 Default Gateway Datagrams bei...

Page 54: ...l attempt to join the first open network it finds If for some reason the device cannot join the desired SSID i e network out of range or incorrect parameters it will go to a low power state and period...

Page 55: ...ining a WPA or WPA2 security enabled network then this is where the PSK Pre Shared Key is entered If joining a WEP security enabled network or creating an ad hoc network using WEP security this is whe...

Page 56: ...by enabling Low Power Mode However it may be noticeably slower in some applications because in Low Power Mode the Wi Fi module is put in sleep mode and occasionally wakes up to receive data from the A...

Page 57: ...he will have to wait for the Low Power Interval to elapse in order for the network to be available The device consumes 0 6W while it has the Wi Fi powered and the Ad hoc network available It consumes...

Page 58: ...ved on the RS 232 port will be forwarded to this TCP connection and data received on the TCP connection will be forwarded to the RS 232 port The device will attempt to open a connection with the remot...

Page 59: ...rmine how fast the device will time out on the open TCP connection For Serial Server and MODBUS gateway configurations the device will close the TCP connection if no activity is detected for the timeo...

Page 60: ...ve RS 232 PakBus Beacon Interval This setting in units of seconds governs the rate at which the NL240 will broadcast PakBus messages on the associated port in order to discover any new PakBus neighbor...

Page 61: ...r an incoming TCP connection from a remote client The port number of the listening connection is specified in the CS I O Service Port Number setting Data received on the TCP connection will be forward...

Page 62: ...fy Interval setting for the associated port is zero CS I O PakBus Verify Interval This setting specifies the interval in units of seconds that will be reported as the link verification interval in the...

Page 63: ...bably does not need to be changed from its default value PakBus TCP Password Specifies the password that will be used to authenticate any incoming server or outgoing client PakBus TCP sessions This pa...

Page 64: ...l not be required to keep track of neighbors of any routers except those in its own branch Configured in this fashion the device will ignore any neighbor lists received from addresses in the central r...

Page 65: ...240 TLS server maintains a secure connection with a remote client If the TLS Proxy Forward Physical Port is specified to be the CS I O port the NL240 will then open a TCP connection with the logger ov...

Page 66: ...out not recommended range 0 999 C 7 TLS Tab TLS Status read only Specifies the current status of the TLS network stack If the status of the TLS stack is Initialized the device will automatically nego...

Page 67: ...at for the encryption stack This setting can only be edited transmitted if the DevConfig link is considered secure USB or TLS If the TLS stack has been initialized the device will automatically negoti...

Page 68: ...Appendix C NL240 Settings C 18...

Page 69: ...the NL240 10 After the file has been sent the power LED on the NL240 will blink repeatedly while the NL240 copies the OS into its internal flash This process takes about 10 seconds While the LED is bl...

Page 70: ...ommunication 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 configuration service 8 Go to the Send OS tab 9 Press...

Page 71: ...o 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 the following measures Reorient...

Page 72: ...Appendix E Radio Frequency Emission E 2...

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Page 74: ...m br Campbell Scientific Canada Corp CSC 14532 131 Avenue NW Edmonton AB T5L 4X4 CANADA www campbellsci ca dataloggers campbellsci ca Campbell Scientific Centro Caribe S A CSCC 300 N Cementerio Edific...

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