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Network Planning and Diagnostics 
Network Diagnostics 

70 

SKF Wireless Machine Condition Sensor 

Service Manual 

 

 

In this enlarged detail taken from the example above, the sensor East Building Pump 
123 was expanded to show two neighbors:  the gateway and the routing node 
CMWA_8800_000161.  The RSSI and Stability of each neighbor is displayed. 

 

Figure 40

. 

Sensor with Neighbors Expanded. 

The Network Statistics Report 

To access the network statics report, select the gateway in the Device Manager 
hierarchy.  Go to the 

Gateway

 > 

Admin

 tab, and then click 

Get Network Statistics

.  The 

path of the file is \CMWA 8800Log\CMWA 8800StatisticLog – from the root of the drive 
on which the software is installed.  

 

Figure 41

.

 

Gateway / Admin Tab – Get Network Statistics

. 

Summary of Contents for CMWA 8800

Page 1: ...to follow the instructions and safety precautions in this manual can result in serious injury damage to the product or incorrect readings Keep this manual in a safe location for future reference Copyr...

Page 2: ...e links for direct contact and support Product Sales For information on purchasing condition monitoring products services or customer support contact your local SKF sales office General Product Inform...

Page 3: ...essHART Terminology 8 The WirelessHART Network Joining Process 9 Network Layers 9 The Wireless Sensor Device Manager 11 The Device Manager License Key 11 Device Manager Configuration Parameters 13 3 T...

Page 4: ...Command Feature 41 Data Collection Scheduling 42 Command 93 Example 46 Command 9 Example 50 Estimating the Time to Capture Waveforms 51 Exporting the Measurement Collection Period 52 Manual Data Colle...

Page 5: ...placing an Existing Sensor in Service 82 Commissioning Network Available 82 No Commissioning Network 82 Relocating an Existing Sensor in Service 84 Commissioning Network Available 84 No Commissioning...

Page 6: ......

Page 7: ...port personnel in installing configuring supporting and troubleshooting the SKF Wireless Machine Condition Sensor CMWA 8800 in WirelessHART networks The Wireless Sensor Device Manager software applica...

Page 8: ......

Page 9: ...o voids the warranty and hazardous area certification Do not open the plastic top Mount by tightening the base never by twisting the plastic top Storage temperature should be less than 30 C 86 F Note...

Page 10: ...Service Manual and the Wireless Sensor Device Manager software called Device Manager in this Service Manual use the asset name as the Long Tag to identify the sensor The Long Tag contains 32 character...

Page 11: ...c number of blinks will issue a specific command to the sensor Activate the Sensor Firmly press and then quickly release the sensor s push button The sensor s green LED immediately blinks once pauses...

Page 12: ...anner then stops 7 blinks Set Network ID to 101 and reset sensor Short burst 8 blinks Set Network ID to 102 and reset sensor Short burst 9 blinks Set Network ID to 1229 default setting and set Join Ke...

Page 13: ...with the device Note that the sensor will drop off the network and then rejoin the network which takes some time more time the larger the network Reset Pipe If the network manager fails to reassign t...

Page 14: ...his is a single device mode which establishes a direct connection to a selected device It has four times the transfer rate of a regular connection The network manager in the gateway grants fast pipe m...

Page 15: ...of slots repeating at a constant rate Each slot may have several links associated with it KNOWN ISSUE P2 profile is not working in the P F gateway However it may work in gateways from other manufactur...

Page 16: ...perframe depending on the communication demand Multiple devices can communicate at the same slot by using different frequencies for example sensor 1 and sensor 2 communicate at the same time by using...

Page 17: ...from a single installation application WARNING The minimum monitor resolution for Device Manager is 1600 x 900 Device Manager does not permit scrolling and some vital functions will be unavailable at...

Page 18: ...p License Management The License Management dialog opens Enter the temporary license key from the hot sheet to the License Key field Click Save The Expiration date is then displayed Up to 50 sensors a...

Page 19: ...RS Wireless Sensor Device Manager 8800 Settings config in the root drive Settings config Stores the following information Information Default Setting Enables and disables expert features in the GUI a...

Page 20: ...disable add key PerformGatewayTimesynch value False Timing configuration Note Optimized do not change add key CmdSendingDelay value 500 add key CmdResponseRetryCount value 200 add key GWResponseTimeo...

Page 21: ...ng network Comparison of features available with P F vs Emerson gateways Accessing the Web Page The P F gateway s web page gives field service personnel a wide range of information and possible action...

Page 22: ...tware Revision is 2 5 or later and the software version is 02 00 02 or later Figure 8 Verify the Gateway s Firmware Version Known Issues with the Firmware The following are known issues with the P F g...

Page 23: ...uld not use 1229 in a production network Commissioning network Allows out of the box sensors to join using the factory default Network ID 1229 and the factory default Join Key Then modify the default...

Page 24: ...he factory to join the production network Refer to Chapter 9 System Maintenance Adding a New Sensor into Service Modify the Long Tag of a sensor to monitor a different machine Refer to Chapter 9 Syste...

Page 25: ...Protocol UDP port number to the SKF default port of 20004 for the Device Manager connection Figure 11 Ethernet UDP Port Number Verify the current network settings by expanding Parameter Wireless Commu...

Page 26: ...sable the security mode and enable the write function Expand Parameter Wireless Communication Setup Change the gateway s Network ID and Join Key to the SKF defaults for the commissioning network Note...

Page 27: ...dvertising phase Because Global Advertising increases energy consumption of the network s devices it is recommended that you use it only when needed that is when you expect new devices to join the net...

Page 28: ...y will not propagate modified network join settings to the sensors Only the Device Manager software enables you to change the gateway settings and also propagates the new settings to all sensors in th...

Page 29: ...ne Condition Sensor Setup Guide and the Wireless Sensor Device Manager User Manual should work The functions in the Device Manager Gateway Admin tab do not work Supports Command 93 for caching measure...

Page 30: ......

Page 31: ...eway including troubleshooting a failed connection A table summarizing known issues with Device Manager is provided Additional topics in this chapter include Full routing vs leaf node sensor function...

Page 32: ...the setting to Never notify Restart the computer to initiate this change Install MS SQL Server 2008 R2 The Express version is available on the Analyst CD Copy the Server Name string for later use You...

Page 33: ...use Unable to disable UAC due to IT security Go to the Program Files SKF RS Wireless Sensor Device Manager 8800 DB Right click the DB folder Go to the DB Properties dialog Security tab Select Everyone...

Page 34: ...arch window locate the database file under the pathway SKF RS Wireless Sensor Device Manager 8800 DB Select the mdf file Click OK In the Attach Databases dialog confirm the CMWA8800 database is the on...

Page 35: ...on script was prohibited from updating the database file during the installation The database has been manually attached but an error message complains that a column is missing in the table Solution d...

Page 36: ...database Follow the steps below In the search window locate the database file under the path SKF RS Wireless Sensor Device Manager 8800 DB Select the mdf file Click OK Note A copy of an updated versi...

Page 37: ...Wireless Sensor Device Manager Device Manager Installation SKF Wireless Machine Condition Sensor 31 Service Manual The CMWA8800 database now appears under Databases under the computer ID SQLEXPRESS...

Page 38: ...e the plant The Plant will display the Batch Service Management tab The Batch Service should remain Stopped at this time Right click the plant hierarchy item and select New Network to create the netwo...

Page 39: ...ice Manager PC is able to access the gateway s web page but Device Manager failed to connect a network security firewall may be blocking the ports needed by the Device Manager software The following p...

Page 40: ...ual Figure 13 Source and Destination Ports for Multiple Gateways By default the Device Manager software initially reserves 10 ports in the network If more than five gateways are to be installed expand...

Page 41: ...d into Device Manager Right click the gateway in the Device Manager hierarchy Select the Find sensors option The sensors stored in the gateway are uploaded to the Device Manager s database Once import...

Page 42: ...nicating with each other Blue Indicates that the Device Manager software s batch service and the sensor are communicating and the sensor is not currently available from the Device Manager software Red...

Page 43: ...ake sure there is only one HART UDP master in each network A waveform took too long to upload Cause 1 Gateway firmware may be an older version Solution 1 Verify the gateway is running the latest firmw...

Page 44: ...waveform collection and firmware upgrades Figure 17 Power Profile Full Routing Option IMPORTANT Having all the sensors serve as routers will increase sensor power consumption See below for a solution...

Page 45: ...hy and open the Device tab Figure 18 Sensor Device Tab with Expert Features Activated Wireless or Wired Communication At the top of the Sensor Device tab the expert feature Use wireless wired communic...

Page 46: ...in that number and enter it in Calibration value field Click Write Pre Calibration to restore this value How to perform velocity calibration Deselect the Use Cache check box in the gateway s Admin tab...

Page 47: ...re The Generic Command feature allows the expert user to send HART commands directly to the sensor Figure 19 Sensor Generic Command Tab Here is an example of sending a HART command to the sensor Comma...

Page 48: ...et up your wireless sensor data collection Setup guidelines are provided in the following table which indicates the recommended wireless sensor setup for monitoring standard machinery running at stand...

Page 49: ...erence time not configurable when CMD93 is selected Period not configurable when CMD93 is selected Temperature Enable N A Period 1 hour Gateway Admin When using burst mode recommended specify for Devi...

Page 50: ...at the sensor publishes the primary secondary and tertiary variables 20 minutes apart according to the designated Update Period For example velocity data are published at the top of the hour enveloped...

Page 51: ...ensor Data Collection tab s Period for the Envelope Pk Pk and Velocity RMS Temperature measurements to 12 hours 24 hours weekly etc an example is provided below WARNING The Use Cache check box must be...

Page 52: ...rst measurement of the day The Vibration Cyclic Update is the time interval at which the sensor samples a new set of measurements and saves them in its memory With the burst Update Period set to 20 mi...

Page 53: ...of temperature data for the burst Update Periods of 20 40 and 60 minutes Unlike the vibration readings the temperature sampling interval is fixed at every 5 minutes regardless of the Vibration Cyclic...

Page 54: ...ntation of the sequence of events described above using the Data Collection tab settings defined as shown in Figure 23 These settings include The Vibration Cyclic Update is 1 hour starting at 00 30 Th...

Page 55: ...urements after each hour The temperature measurements at 5 minutes apart were omitted from the timeline The dashed purple line represents when the most recently collected waveform data is requested by...

Page 56: ...loped acceleration Pk Pk is burst at 23 40 Thus ends the timeline Not shown is the activity on the following day when VM24 through VM13 velocity RMS data is burst at 00 20 If the Period entries and th...

Page 57: ...t a waveform from a sensor with the fast pipe designation that is a single hop from the gateway That equals 20 waveforms per hour or 480 waveforms per day Therefore if there are more than 480 sensors...

Page 58: ...on interval between the overall and the waveform is exported to the Schedule tab in the POINT s properties in Analyst However when using Command 93 the waveform period is always exported even if the c...

Page 59: ...Analyst When you are done remember to enable the Use Cache check box again for normal operation Return the Trending Command to Command 93 Waveform Data If you need to manually collect waveform data f...

Page 60: ......

Page 61: ...elect the desired gateway in the Device Manager hierarchy Click the Admin tab to open it Figure 32 Exchange Network Id and Exchange Join Key Buttons Enter the new Network ID in the Network Id field If...

Page 62: ...then reform the network the next day Click Reform Network to activate the new settings If a sensor fails to join after the network is reformed take the following actions If the sensor is within one ho...

Page 63: ...yst If Analyst is not showing data for the POINTs of a sensor follow the steps below Start by checking the XML import setup In Analyst go to Customize Configure XML Import The XML Import Configuration...

Page 64: ...information button Settings config file add key SKFXMLExportPrefix value WSDM In Device Manager confirm that the Analyst Export is enabled Plant Export tab Yes Proceed to the next step No Enable the A...

Page 65: ...blem with getting data check for any XML import errors reported in the Analyst event log With all of these factors verified or corrected wait long enough for the Transaction Service to read the files...

Page 66: ......

Page 67: ...rs within this circle will be able to communicate directly with the access point but some sensors outside the circle will so it will generally balance out The number of sensors inside this circle appr...

Page 68: ...derations Location and Signal Strength Radio signal strength decreases in free space with the inverse square of the distance an example of Free Space Path Loss FSPL is provided below with a link budge...

Page 69: ...ete walls in between them P F Gateway radio power 10 dBm Antenna gain 2 dBi FSPL see note below 74 dB 2 concrete walls 15 dB 2 92 dBm RSSI Because the estimated RSSI of 92 dBm is below the sensitivity...

Page 70: ...y do not overlap This allows WirelessHART to use some channels between 1 and 6 and some between 6 and 11 However efficiency will be adversely affected Also WLAN does not utilize the channels on a cont...

Page 71: ...2 4325 2 4375 8 2 44 2 4375 2 4425 9 2 445 2 4425 2 4475 10 2 45 2 4475 2 4525 11 2 455 2 4525 2 4575 12 2 46 2 4575 2 4625 13 2 465 2 4625 2 4675 14 2 47 2 4675 2 4725 15 2 475 2 4725 2 4775 16 2 48...

Page 72: ...dvertising in the gateway click Activate Global Advertising in the gateway s Setup web page and all field devices to shorten the time required for new sensors to join the network The number of sensors...

Page 73: ...at are available for each sensor These paths do not have to be in use currently they just have to be discovered and reported by the network Topology View The traffic and stability data that is display...

Page 74: ...ded to establish the statistics Devices linked with dotted lines indicate the connection is unused and therefore communication can be switched to this alternative link if the main connection fails The...

Page 75: ...tics It is easier to read than the Network Statistics Report obtained through Device Manager and contains almost the same information Figure 38 Path to the Details Web Page The diagnostic details are...

Page 76: ...MWA_8800_000161 The RSSI and Stability of each neighbor is displayed Figure 40 Sensor with Neighbors Expanded The Network Statistics Report To access the network statics report select the gateway in t...

Page 77: ...ows Figure 42 An Example Network Statistics Report Note Mote is another term for node A list that maps MAC Media Access Control addresses with Mote IDs is also included in the report MAC MoteID Jn Nbr...

Page 78: ...wledgement Not currently implemented Acknowledgements are not sent for downstream data transmission Chg Charge consumption in millicoulombs Hop Average number of hops number of jumps from mote to mote...

Page 79: ...total number of packets for which no acknowledgement was received Reliability Mote or network reliability The network statistics report shows an aggregated number for reliability stability and latenc...

Page 80: ...network and others do not you have at least established that the network manager and access point are functional The reasons that some sensors do not join may include Some sensors are placed too far...

Page 81: ...The RF connectivity to its neighbors is marginal reception is poor The RF connectivity to neighbors is highly transient and unstable reception is good but cuts out The sensor is in a location where RF...

Page 82: ......

Page 83: ...e maximum occupancy is higher than three The average queue and maximum queue can be found in the Network Statistics Report highlighted in light blue Solutions to RF Interference Potential solutions to...

Page 84: ...ge over channels 1 to 4 Figure 44 802 11 g and Background Noise Use the Channel Blacklist feature on the gateway s Wireless Communication Setup web page to disable selected channels Blacklisting can i...

Page 85: ...If the sensor is joining a commissioning network simply switch on the sensor and it should be ready to join the network using the default settings Production network with Network ID 101 or 102 If the...

Page 86: ...ll turn green when it joins The sensor will appear in the Device Manager hierarchy as the batch service runs OR Right click the gateway in the Device Manager hierarchy and execute a Find sensors comma...

Page 87: ...b page Turn off the sensor and move it out to the production network Tip Activate the sensor next to the production gateway to verify that is able to join the network before mounting the sensor to the...

Page 88: ...ut 15 minutes or you can force the sensor icon to turn red by executing an Update Device Information command on the sensor to be replaced Switch on the new sensor to join the commissioning network Thi...

Page 89: ...he gateway in Device Manager and then execute a Find sensors command to import the new sensor into Device Manager Figure 48 Gateway s Right click Menu Find Sensors Command Rename the Tag of the new se...

Page 90: ...urements from each motor should be kept separately in different machines in Analyst Commissioning Network Available The sensor can be moved to a commissioning network to be renamed for the new locatio...

Page 91: ...ers the device ID of the MAC address and then clicking Search The selected sensor s Long Tag appears in the box labeled Edit the Long Tag of the Selected Sensor Make the edits you want Click Modify to...

Page 92: ...ade In the hierarchy select the network whose firmware you wish to upgrade Go to the Network Sensor Firmware tab Click Read HEX file to upload the firmware HEX file Verify the correct firmware version...

Page 93: ...bring all sensors to within one hop of the gateway to perform the upgrade to reduce the time required It is recommended that you let Device Manager run until it is completed If for any reason a sensor...

Page 94: ...restarts it will drop from the network and rejoin Sensor Status Firmware download CRC error indicates the downloaded firmware is corrupted the previous firmware version is retained After a 15 minute...

Page 95: ...icate the sensor s status as described in the following tables Device Status Specified in the HART Command Summary Specification Bit No HART Definition Device Manager Implementation 0 Primary Variable...

Page 96: ...used Device Specific Status byte 5 Bits used as detailed below bit 0 Not used bit 1 Firmware download in progress on the Sensor Sensor Firmware tab bit 2 Firmware downloaded OK on the Sensor Sensor Fi...

Page 97: ...e block transfer port and transfer the data 4 7 Undefined Reserved Sensor Battery Status The lower section of the Sensor Status tab contains the Battery Management area Figure 52 Sensor Status Tab Bat...

Page 98: ...d or the batch service Therefore it is necessary to regularly delete the files on a periodic basis or else you will compromise hard drive space Execution Log The execution log stores Device Manager an...

Page 99: ...e user interface response and network communication speed Can I replace the sensor s battery No If the battery life is low contact CSG to return the sensor to SKF for replacing the battery How long wi...

Page 100: ...the page does not refresh automatically Or you can click the Flash LED button in Device Manager Select the sensor in the hierarchy and then go to the Device tab to access the command button How can I...

Page 101: ...ew Device Manager installation acquire the License Key 5 Configure the sensors to join the production network WSDM User Manual Chapter 3 Sensor Setup and Commissioning 6 Mount the sensors in the plant...

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Page 103: ...calibration 40 generic HART command 42 use wireless wired communication 39 exporting measurement collection period 53 F FAN Final Assembly Number 41 fast pipe 7 8 firmware upgrade 86 87 flash LED 7 f...

Page 104: ...t pipe 7 reset sensor 7 routing 9 38 S security manager 9 sensors activate 5 battery 91 battery historical records 91 deactivate 5 Extended Operations Menu 6 manual commands 6 number of joins 67 repai...

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