Campbell NL241 User Manual Download

Page: 1 / 76

Revision: 10/2020

2020

Campbell Scientific, Inc.

Summary of Contents for NL241

Page 2: ...15 6 1 Introduction to Wi Fi for WLANs 15 6 2 Wireless network modes 15 6 2 1 Join a network 15 6 2 2 Create a network 16 6 2 3 DHCP server in a created network 16 6 3 RSSI 17 6 4 Antennas 17 6 5 Pow...

Page 3: ...setup 26 8 2 1 2 Configuring the NL241 26 RS 232 PakBus router 26 CS I O PakBus Router 26 8 2 1 3 LoggerNet setup 27 8 2 1 4 Connect 28 8 2 2 Bridge mode 28 8 2 2 1 Physical setup 28 8 2 2 2 Configur...

Page 4: ...n tab 45 B 1 1 Model read only 45 B 1 2 Serial Number read only 45 B 1 3 OS Version read only 45 B 1 4 Compile Date read only 45 B 1 5 Bridge Mode 45 B 1 6 CS I O IP Interface Identifier 46 B 1 7 Brid...

Page 5: ...B 3 8 RS 232 PakBus Verify Interval 55 B 3 9 Neighbors Allowed RS 232 55 B 3 10 RS 232 Modbus Timeout 56 B 3 11 RS 232 TCP Serial Client IP Address 56 B 3 12 RS 232 TCP Serial Client Port 56 B 4 CS I...

Page 6: ...e Port 60 B 6 3 TLS Proxy Forward Physical Port 61 B 6 4 TLS Proxy Forward IP Address 61 B 6 5 TLS Proxy Forward Port 61 B 6 6 TLS Proxy Timeout 62 B 7 TLS tab 62 B 7 1 TLS Status read only 62 B 7 2 T...

Page 7: ...ions should be performed by a professional It is very important that the transmit power level selected and the gain of the attached antenna do not exceed the maximum allowed ERP permitted by local reg...

Page 8: ...ic PakBus devices using a Wi Fi enabled device such as a smart phone The following instructions indicate how to use an NL241 to connect to a data logger using a smart phone with the Campbell Scientifi...

Page 9: ...er for the first time The device driver must be properly installed before you can connect to the NL241 via USB To install the device driver download the latest version of Device Configuration Utility...

Page 10: ...me in the Network Name SSID field Optionally to enable encryption type a password in the Password field See NL241 settings p 45 for details on the password requirements 11 Click the NL241 tab 12 The d...

Page 11: ...ault NOTE Android users may get a message saying there is no internet access and be asked if you want to stay connected Select the Don t ask again for this network check box and click YES 3 In the Log...

Page 12: ...th TCP selected click 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 default NL241 Wireless Network Link Interfac...

Page 13: ...n appears Click the PB icon to cause LoggerLink to search for attached PakBus devices NOTE For the PakBus search to work with the NL241 you must have LoggerLink version 1 6 or later NL241 Wireless Net...

Page 14: ...PakBus address default is 678 in the Neighbor field The following screen shows the correct information filled in for a CR1000 with PakBus address of 2 8 Type a name for your data logger in the Name f...

Page 15: ...Net software is used to communicate with the data loggers once the NL241 is configured properly and connected to a network Bridge Mode l Allows access to data logger internal IP functionality when a p...

Page 16: ...to bridge WLAN and CS I O communications see FIGURE 4 2 p 10 This mode is used for providing access to the internal IP functionality of the CR6 CR800 850 CR1000 and CR3000 for example webpage access e...

Page 17: ...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 NL241 can act as TLS proxy server The TLS proxy server is independent of other...

Page 18: ...RE 5 1 NL241 dimensions Power CS I O or DC Barrel Connector not USB 9 to 16 VDC NOTE To prevent the NL241 from being powered over the CS I O port remove the internal jumper See Cables pinouts LED func...

Page 19: ...ction is only applicable when the NL241 is configured with bridge mode enabled See Mode button p 19 for information on the Mode button configuration Operating Temperature Standard 40 to 70 C Configura...

Page 20: ...P connections Up to 10 of the 50 TCP connections can be used for TLS PakBus router supports 50 routes Supports up to 15 concurrent Modbus server transactions Compliance CE Compliant Complies with the...

Page 21: ...wireless network standards The NL241 also supports several wireless security protocols These include WEP Wired Equivalent Privacy WPA Wi Fi Protected Access personal WPA2 Wi Fi Protected Access II pe...

Page 22: ...ch to operate to minimize interference from other networks detected in the area When manually selecting a channel it should be noted that two Wi Fi networks operating on the same channel will interfer...

Page 23: ...vice Configuration Utility RSSI in the NL241 is measured in a scale between 100 dBm and 0 dBm The higher the number for example 12 dBm as compared to 72 dBm the better the connection between Wi Fi dev...

Page 24: ...g for and trying to join a Wi Fi network The LED turns solid amber when creating a network After successfully joining or creating a network the LED will flash with network activity Note that the LED m...

Page 25: ...as the process nears completion This process can take up to two minutes Again do not remove power until the LED resumes normal operation For more information see Link Activity LED p 43 6 7 Mode button...

Page 26: ...ions 6 7 4 Temporary network duration When the Mode button is used to temporarily enable or create the Wi Fi network it will stay powered for at least 5 minutes There is a 2 minute timeout that is ref...

Page 27: ...1 is configured by default to host an open Wi Fi network and have an IP address of 192 168 67 1 The network name will follow the pattern NL241_SerialNumber 1 Apply power to the NL241 2 The NL241 will...

Page 28: ...NL241 must have an IP address before connecting via Telnet Configuration via Telnet is not available in bridge mode 1 Apply power to the NL241 2 The NL241 will power up and either create or join a Wi...

Page 29: ...n the NL241 2 Connect to the NL241 using a terminal emulator The Device Configuration Utility Unknown device type or HyperTerminal are examples of simple terminal emulators The default settings for th...

Page 30: ...list of the available networks in the area To join a hidden network manually enter its SSID Select the network you wish to connect to and click OK 5 If this is a secured network enter the password in...

Page 31: ...rned about through beaconing or allowed neighbor lists Use the following list of terms as a reference Beacon Interval Devices in a PakBus network may broadcast a hello message to other devices in orde...

Page 32: ...or 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 that the device is powered up by inspecting the...

Page 33: ...efault PakBus 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...

Page 34: ...f 6786 8 2 2 1 Physical setup As shown in 8 2 2 1 p 28 attach an antenna to the NL241 Antenna connector Using the supplied serial cable connect the NL241 CS I O port to the data logger CS I O port Thi...

Page 35: ...m 2 to 1 If this setting is changed the IP address subnet mask and IP gateway should be input under CS I O IP 1 on the data logger CS I O IP tab CS I O Interface 2 communicates over SDC address 1 CS I...

Page 36: ...to the serial connection 8 2 3 1 Physical setup Using the supplied serial cable connect the NL241 CS I O port or RS 232 port to the data logger CS I O or RS 232 port respectively The NL241 will be po...

Page 37: ...a unique SDC address c Make a 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...

Page 38: ...ously can be used to communicate with a serial sensor However you must have a method other then LoggerNet to communicate with the sensor LoggerNet is not capable of communicating with a serial sensor...

Page 39: ...device is generally a data logger connected to the RS 232 or CS I O port or a data logger located remotely over a transparent radio for example RF450 connection but can be any Modbus RTU device When t...

Page 40: ...and then to the TLS tab The TLS Status should say Initialized NOTE The TLS Settings described above cannot be edited over a standard TCP Device Configuration Utility link The TLS Private Key TLS Priva...

Page 41: ...n The possible configurations are shown in FIGURE 8 4 p 35 FIGURE 8 4 TLS proxy server configurations Configuration A In Configuration A the NL241 decrypts TLS traffic and forwards the unencrypted TCP...

Page 42: ...ll use when it opens a TCP connection to the data logger to forward unencrypted data The data logger TCP server must be set to communicate on this port number The default value for the data logger Pak...

Page 43: ...e NL241 IP address or click Browse to select it from a list of NL241s connected to the network and click Connect NOTE If the status of the TLS stack is Initialized the NL241 will automatically negotia...

Page 44: ...The data logger must first be configured for internet communications that is through an NL115 an NL120 a second NL241 or a cellular modem 1 Connect a serial cable from the computer COM port to the da...

Page 45: ...e direction as the antenna of your WAP The Link Act LED on the NL241 should start flashing when it is connected to a network Also the WLAN activity light on your WAP if it has one should flash with ac...

Page 46: ...If no packets are returned this indicates that there is no network connection to that IP address 6 Make sure the IP address and port number entered in LoggerNet PC400 RTDAQ match the settings in the...

Page 47: ...l Campbell Scientific for help Before calling it would be helpful to do the following a Obtain a detailed description of your network setup including TCP IP address port number PakBus settings and oth...

Page 48: ...GNAL GND SIGNAL GND 3 RING RING 4 RXD TXD 5 ME ME 6 SDE SDE 7 CLK HS CLK HS 8 12 VDC output 12 VDC input 9 TXD RXD A 2 RS 232 A DB9 female to DB9 male cable is used to connect the NL241 RS 232 port to...

Page 49: ...Wi Fi has been disabled via the Mode button configuration or via an IPNetPower instruction from the data logger See Mode button p 19 for information on the Mode button configuration On solid After po...

Page 50: ...T POWER A 4 Power jumper To prevent the NL241 from being powered over the CS I O port remove the two screws on the top of the NL241 remove the NL241 top cover remove the jumper above the mode button a...

Page 51: ...CS I O PakBus and secure proxy server functionalities are available Refer to the respective device settings for the configuration of these functionalities Bridge Mode Enabled With Bridge Mode set to...

Page 52: ...aware of the MAC address and IP address being used by the data logger it is able to do some filtering on incoming packets and only forward relevant packets This decreases the amount of traffic on the...

Page 53: ...ployment NL241 tab It is recommended to configure a static IP address NOTE In bridge mode this setting is obtained from the data logger and cannot be edited here It must be edited in the data logger s...

Page 54: ...P is used this setting will report the values configured by the DHCP server B 1 14 Admin Password To help guard against unauthorized access to the NL241 it is password protected by the admin password...

Page 55: ...ch other and will have to compete for bandwidth The center frequencies of adjacent channels are 5 MHz apart and the bandwidth of each channel is 20 MHz which means that adjacent channels overlap To co...

Page 56: ...or 10 hexadecimal digits 0 9 A F For 128 bit WEP enter a 104 bit key in the form of 13 ASCII characters or 26 hexadecimal digits 0 9 A F B 2 5 EAP User If joining an Enterprise Security enabled networ...

Page 57: ...ll have to compete for bandwidth The center frequencies of adjacent channels are 5 MHz apart and the bandwidth of each channel is 20 MHz which means that adjacent channels overlap To completely avoid...

Page 58: ...ughput a great deal but saves more power overall Use this mode if power consumption is of greater concern than throughput B 2 12 WLAN Domain Name This setting is only relevant when the Wi Fi Configura...

Page 59: ...rror the device will make a best effort to save any data that was in process and re queue it to be sent on the next successfully opened TCP connection PakBus This port uses the PakBus protocol MODBUS...

Page 60: ...quency or nature of the expected data Set to 0 for no timeout not recommended range 0 to 999 seconds B 3 6 RS 232 Always On This setting controls whether the device is allowed to shut down the RS 232...

Page 61: ...rate at which the NL241 will broadcast PakBus messages on the RS 232 port in order to discover any new PakBus neighboring nodes It will also govern the default verification interval if the value of th...

Page 62: ...1 CS I O Configuration This setting controls which process will be associated with the CS I O port The following values are defined TCP Serial Server The device will listen for an incoming TCP connec...

Page 63: ...setting in units of seconds will determine how fast the CS I O serial server will time out if no activity is detected Set to 0 for no time out not recommended range 0 to 999 B 4 5 CS I O PakBus Beaco...

Page 64: ...range 0 to 999 B 5 4 Ping ICMP The NL241 will not respond to Ping requests if this setting is disabled B 5 5 PakBus Address This setting specifies the PakBus address for this device The value for this...

Page 65: ...4 This setting specifies the TCP port of the outgoing PakBus TCP client connection Typically it is not necessary to change this entry from its default range 1 to 65535 B 5 10 PakBus Routes read only...

Page 66: ...ports and physical connections are configured below NOTE If the TLS Proxy Server is enabled and a data logger is connected to the CS I O port the data logger will load its TCP stack in case it is req...

Page 67: ...of the data logger automatically The data logger must be configured with a static IP address that is unique and that exists on the same subnet as the NL241 IP address If the TLS Proxy Forward Physica...

Page 68: ...cted The TLS Private Key Private Key Password and TLS Certificate can only be edited transmitted over a secure Device Configuration Utility link USB or TLS These settings cannot be edited over a stand...

Page 69: ...in PEM format for the encryption stack NOTE This setting can only be edited transmitted if the Device Configuration Utility link is considered secure USB or TLS If the TLS stack has been initialized t...

Page 70: ...Port 6 Go to the Send OS tab 7 Click Start 8 In the resulting dialog box select the file that should be sent to the device as an operating system this file should have an obj extension and click OK 9...

Page 71: ...panel in order for the connection to succeed 8 Enter the IP address or domain name address of the device in the Communications Port control on the left panel If you do not know the address of the dev...

Page 72: ...eption 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 l Reorient or relocate the receivi...

Page 73: ...ther manufacturer s products that are resold by Campbell Scientific are warranted only to the limits extended by the original manufacturer Refer to www campbellsci com terms warranty for more informat...

Page 74: ...ion or Repair Reference number contact your CAMPBELL SCIENTIFIC regional office Please write the issued number clearly on the outside of the shipping container and ship as directed For all returns the...

Page 75: ...rohibit climbing by other persons Take reasonable precautions to secure tripod and tower sites from trespassers l Use only manufacturer recommended parts materials and tools Utility and Electrical l Y...

Page 76: ...nfo campbellsci fr www campbellsci fr Germany Location Phone Email Website Bremen Germany 49 0 421 460974 0 info campbellsci de www campbellsci de India Location Phone Email Website New Delhi DL India...

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