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Communications

248083427-1 Rev 4

4-5

The

NC30+

complies with EIA’s RS-485 standards as shown in Table

4-1for distances and number of devices.

Refer to “Programming with MODBUS Protocol” on page 6-1 for
specific information on using MODBUS to program and communicate
with the instrument.

Table 4-1 EIA Industry Standards for RS-485 Communications

SPECIFICATIONS

RS-485

Mode of Operation

Differential

Total Number of Drivers and Receivers on
One Line (One driver active at a time for
RS85 networks)

32 Drivers

32 Receivers

Maximum Cable Length

4000 ft. (1,219.2 m)

Maximum Data Rate (40 ft. - 4000 ft. for
RS422/RS-485)

10Mb/s - 100Kb/s

Maximum Driver Output Voltage

-7V to +12V

Driver Output Signal Level (Loaded
Min.): LOADED

+/-1.5V

Driver Output Signal Level (Loaded
Max.): UNLOADED

+/-6V

Driver Load Impedance (Ohms)

Max Driver Current in High Z State
(POWER ON)

+/-100

Max Driver Current in High Z State
(POWER OFF)

+/-100

Receiver Input Voltage Range

-7V to +12V

Receiver Input Sensitivity

+/-200mV

Receiver Input Resistance (Ohms), (1
Standard Load for RS-485)

>12k

Содержание NanoCount 30+

Страница 1: ......

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Страница 3: ...Lighthouse Worldwide Solutions NanoCount 30 Liquid Particle Counter Operating Manual...

Страница 4: ...o be disclosed such information except as permitted in writing by Lighthouse Worldwide Solutions The information contained herein is subject to change without notice Lighthouse Worldwide Solutions is...

Страница 5: ...ent for Measurement Control and Laboratory Use Part 1 General Requirements LASER SAFETY Guidance on Laser Products Conforms to FDA 21 CFR Chapter 1 Subchapter 1 EMC EN61326 Electrical Equipment for Me...

Страница 6: ......

Страница 7: ...2 1 Description 2 1 Accessories 2 2 NanoCount 30 Specifications 2 3 NanoCount 30 Chemical Compatibility 2 4 Warrantied Operation 2 4 Chapter 3 Getting Started Initial Inspection 3 1 Annual Calibration...

Страница 8: ...iguration 4 7 Ethernet Setup 4 8 Definitions of Terms Used 4 14 Preparing for Network Installation 4 15 Equipment Required 4 15 Software Required 4 15 Additional Requirements 4 15 Configure Device 4 1...

Страница 9: ...meters 6 4 Using Sensor Setting Registers 6 5 Location Register 40026 6 5 Hold Time Registers 40031 40032 6 5 Sample Time Registers 40033 40034 6 5 Appendix A NC30 MODBUS Register Map v1 45 COMM Setti...

Страница 10: ...Lighthouse NanoCount 30 Operating Manual t iv 248083427 1 Rev 4 Warrantied Operation C 1 Warranty Of Repairs After Initial One 1 Year Warranty C 2 Index...

Страница 11: ...doing something incorrectly could result in personal injury damage to the instrument or loss of data boldface Introduces or emphasizes a term Courier font Indicates command syntax or text displayed b...

Страница 12: ...Lighthouse NanoCount 30 Operating Manual ii 248083427 1 Rev 4...

Страница 13: ...charge Network Connect pertaining to communication ports and instrument damage LASER Safety Information This product is considered to be a Class 1 LASER product as defined by FDA 21 CFR 1040 10 when u...

Страница 14: ...f replacement of the AC power cord is required replace with a power cord having as good as or better ratings than the item as provided by Lighthouse Worldwide Solutions Attempting to use an under rate...

Страница 15: ...0 NC30 NanoCount particle counter or instrument For simplicity these terms are interchangeable and mean the same thing Description The NanoCount 30 features channel sizes of 30 50 80 and 100nm and sup...

Страница 16: ...s proportional to the size of the particle The voltage pulses created by the particles are processed by additional electronics to quantify the pulses by the size of each particle The quantities of the...

Страница 17: ...ror Power Input Requirements 100 240VAC Enclosure Stainless Steel Sample Inlet Outlet Connection 1 4 Flare Sample Temperature 32 122o F 0 50o C Sample Pressure 75 PSI max Wetted Surface Materials Quar...

Страница 18: ...ing transit time to and from Lighthouse To avoid this fault and consequential downtime from occurring with your NanoCount unit we require the following parameters of their use 1 These units must only...

Страница 19: ...s Should it become necessary to return the unit to the factory for any reason be sure to contact Customer Service and obtain a Return Material Authorization RMA number Reference this number on all shi...

Страница 20: ...ve or the RMA website Cable Build The NanoCount 30 is not designed for use in a daisy chain configuration It is designed to communicate through a single RJ45 connector and must be used in a star conne...

Страница 21: ...the hub or both and void the respective warranties When all needed tools and materials are ready proceed through the following steps 1 Check with local regulatory agencies to determine installation re...

Страница 22: ...he Industrial RJ45 cable Figure 3 1 Industrial RJ45 Cable Parts 1 Strip 1 1 2 inch to two inches of insulation from the end of the cable taking extreme care to not nick or cut the individual wires Do...

Страница 23: ...color Do not get them confused the orange and brown pair may look alike in plenum cable and swapping these two pairs will cause failure of the cable 7 Carefully untwist each pair and straighten the w...

Страница 24: ...Note The pairing of wires in the loom changes at positions 4 through 6 9 Continue to push the cable into the loom and trim the ends of the wires in a straight line to one eighth inch as illustrated in...

Страница 25: ...ble wire ends in the RJ45 to make sure they have been crimped properly Removing the connector at this point is a lot easier than after everything is installed and communication with the instrument is...

Страница 26: ...to allow it to enter the slot in the housing as shown in Figure 3 8 Figure 3 8 Close up of RJ45 Latch 14 Push the RJ45 connector fully into the housing and insert the Lock Clip round edge out as illus...

Страница 27: ...t its retainer ring Verify that its larger opening is facing outward away from the cable See Figure 3 12 Figure 3 12 Cable Connector Completed 18 The hub end of the cable run can now be terminated The...

Страница 28: ...sample to flow to and from the system being sampled See Figure 3 13 Figure 3 13 NC30 Front Connections NC30 Flow Control and Meter The Flow Control includes a digital flow indicator to enable adjusti...

Страница 29: ...ow to 80 ml min while viewing the screen as shown in Figure 3 15 Figure 3 15 Flow meter set to 80 ml min NC30 Rear Panel Connections Figure 3 16 shows the rear panel connections Figure 3 16 NC30 Rear...

Страница 30: ...sh Drive can be attached to the USB A port The data can be downloaded via the Data Output screen in either a CSV or LSD format 4 20mA This standard industry interface allows only simple data gathering...

Страница 31: ...rovided flare tubing Make sure the tubing is inserted firmly onto the nozzle and the knurled nut is finger tight only 3 Connect the liquid drain to the NC30 s Outlet nozzle using the provided flare tu...

Страница 32: ...ample source is connected to the instrument using flare tubing attached to the Inlet Nozzle The user is responsible for maintaining a nominal flow rate of 80 ml min 5 through the sensor to ensure the...

Страница 33: ...s Rear Data Ports Figure 4 1 shows the NC30 communication ports power connector and power switch located on the rear panel of the NC30 WARNING The NC30 is not designed for daisy chaining Doing so may...

Страница 34: ...into the NEMA style enclosure Figure 4 2 RS 485 Port Pin Assignments RS 232 Communications The instrument can use RS 232 as a communication mode by using the optional USB to RS 232 Converter cable The...

Страница 35: ...warranty RS 485 Communications The instrument utilizes RS 485 as its primary communication which is especially beneficial when the distance to the computer is more than 50 feet and when the instrumen...

Страница 36: ...RS 485 converter to a DB9 Male to DB9 Female straight through cable Connect the female DB9 to any available COM port on the computer 5 Power on the instrument Connecting to an RS 485 Network To connec...

Страница 37: ...rivers and Receivers on One Line One driver active at a time for RS85 networks 32 Drivers 32 Receivers Maximum Cable Length 4000 ft 1 219 2 m Maximum Data Rate 40 ft 4000 ft for RS422 RS 485 10Mb s 10...

Страница 38: ...ssignment or Lighthouse Technical Support at 1 800 945 5905 USA Toll Free 1 541 770 5905 Outside of USA for more information The instrument can be connected directly to a PC computer Ethernet port by...

Страница 39: ...ver Ethernet Connecting a NC30 particle counter directly to an Ethernet network should only be done with the permission and guidance of the network administrator The primary advantage of using the NC3...

Страница 40: ...program DeviceInstaller will automatically begin searching for attached devices The Hardware Address MAC Address for the NC30 will be displayed as shown in Figure 4 5 Confirm the device by verifying...

Страница 41: ...e Web Configuration tab and then press the green arrow The Windows Security Login window will open Select OK without entering a username or password Figure 4 6 Web Configuration Tab 3 The Device Serve...

Страница 42: ...ess XXX XX X XX and the Subnet Mask 255 255 255 0 in the appropriate fields Leave the Default Gateway field blank unless the IT department indicates one is needed If a gateway is needed the IT departm...

Страница 43: ...5 Select Serial Settings under Channel 1 See Figure 4 9 Verify that the Port Settings are set to the following Protocol RS 485 2 wire Flow Control None BaudRate 19200 Data Bits 8 Parity None Stop Bits...

Страница 44: ...verify that Connect Protocol and Connection settings are set to the following Protocol Modbus Local Port 502 Accept Incoming Yes Under Modbus Mode set the Message Timeout to 1000 ms if not already set...

Страница 45: ...ct Apply Settings link to save the setting to the NC30 as shown in Figure 4 11 Figure 4 11 Apply Settings Select the Search icon to refresh the attached devices and verify that the IP Address for the...

Страница 46: ...e factory into a network device such as a network PCB comprised of six two digit groups of letters A F and numbers 0 9 Host a computer or device that allows access to itself via a LAN IP Internet Prot...

Страница 47: ...te All values in screen shots are examples only Use only the values provided by the Network Administrator Additional Requirements 1 Contact the network administrator and obtain administrator rights on...

Страница 48: ...Default Gateway for both the PC and the NC30 Frequently it is necessary to change the NC30 Ethernet parameters to allow for easier troubleshooting When this is needed verify the instrument is reprogra...

Страница 49: ...ows Telnet Programming Use Telnet to program the NC30 for Ethernet communications if DeviceInstaller is not available 1 Start Windows 2 On the Taskbar click on Start WARNING Perform only the steps or...

Страница 50: ...mmunications with the instrument before an IP is programmed into its Ethernet interface 8 Type arp s xxx xxx xxx xxx nn nn nn nn nn nn and press Enter Replace the x s with the desired IP address such...

Страница 51: ...shown in Figure 4 17 Figure 4 17 Command Send Telnet 9999 You will have 4 seconds to respond in the next step If you respond too slowly you ll have to repeat step 10 11 Press Enter to start the instr...

Страница 52: ...d press Enter See Figure 4 19 Figure 4 19 Assigning IP Address 13 Type Y to set the Gateway IP address Type the Gateway IP address and press Enter See Figure 4 20 Figure 4 20 Assigning Gateway IP Addr...

Страница 53: ...ll lose connection to the PC reported as Connection to host lost Figure 4 22 Telnet Config Password Screen 16 Type S to Save and restart and press Enter to save the changes See Figure 4 23 Figure 4 23...

Страница 54: ...n the Menu screen The data can be downloaded as either a CSV or LSD file 4 20mA Communications 4 20mA DB9 The 4 20mA DB9 provides 4 channel 4 20mA communications and is sealed to help prevent liquid o...

Страница 55: ...ansit time to and from Lighthouse To avoid this fault and consequential downtime from occurring with your NanoCount unit we require the following parameters of their use 1 These units must only be use...

Страница 56: ...e measured 2 Attach instruments to sample lines as outlined in Chapter 3 3 Attach instrument to AC power 4 Set the power switch on the rear panel to ON 5 While booting the unit displays a startup scre...

Страница 57: ...nstrument is being delayed the letter D and the elapsed time are displayed Touch Screen Overview The NC30 instrument incorporates a unique touch screen interface to control and configure the instrumen...

Страница 58: ...Main NC30 display screen Figure 5 3 Main Screen Shows counts and NC30 count mode flow rate SAMPLE The Sample setup screen is shown in Figure 5 4 Figure 5 4 Sample Settings Sample set up screen for Sam...

Страница 59: ...n in Figure 5 5 Figure 5 5 Data Entry Press the number buttons to enter the desired value Use the Delete button to erase the last entered value similar to a backspace key Use the Return button to acce...

Страница 60: ...lay Format Settings Screen Choose Normalized counts ml counts l or Raw in either Cumulative or Differential Modes TIME DATE The Time Date setup screen is shown in Figure 5 7 Figure 5 7 Time Date Setti...

Страница 61: ...gure 5 8 Figure 5 8 Serial Address Setting Screen Enables user to set the NC30 COMM address The Back button exits and the enters Data Entry screen ANALOG OUTPUT Figure 5 9 shows the Analog Output setu...

Страница 62: ...be counts ml or Raw Back button exits and the enters Data Entry screen Table 5 1 shows the pinouts that may be used to measure the signal for each channel DATA OUTPUT The Data Output screen is shown i...

Страница 63: ...een When a flash drive is connected to the USB port the software automatically detects the drive as shown in Figure 5 11 Figure 5 11 Flash Drive Connected Select the format for download Data can be do...

Страница 64: ...Manual 5 10 248083427 1 Rev 4 Remove the flash drive from the USB port STATUS The Status screen is shown in Figure 5 13 Figure 5 13 Status Screen Displays the instrument serial number Firmware revisio...

Страница 65: ...n RS 232 or RS 485 interface with Baud Rate 19200 Data Bits 8 Stop Bits 1 Parity None Flow Control None Power On Auto Start When the instrument is powered up the instrument it will begin sampling usin...

Страница 66: ...to the Command register 40002 11 Start Instrument to start recording 12 Stop Instrument to stop recording Table 6 1 Action Commands Value Action 1 Saves all writable 4xxxx register values to the EEPR...

Страница 67: ...for the real time clock 40028 is the low word The date time is calculated as the number of seconds since midnight of 1 1 1970 The date time is stored in a 4 byte unsigned integer or as a 32 bit unsig...

Страница 68: ...to 9 hours 6 minutes and 7 seconds 32767 seconds then only the low word register needs to be written with the value in seconds The low word register for Sample Time is 40034 The low word register for...

Страница 69: ...low word 32319 which is 99 hours 59 minutes and 59 seconds To set the Hold Time to a value less than 9 hours 6 minutes 7 seconds enter the number of seconds in the low register 40032 During Hold Time...

Страница 70: ...Lighthouse NanoCount 30 Operating Manual 6 6 248083427 1 Rev 4...

Страница 71: ...is the broadcast address Supported MODBUS Commands See www modbus org for documentation on how to use these commands Table A 1 MODBUS Communications Settings Baud Rate 19200 Data Bits 8 Stop Bits 1 P...

Страница 72: ...s bit 0 RUNNING bit 1 SAMPLING bit 2 NEW DATA bit 3 DEVICE ERROR 40004 unsigned integer Firmware version Major version digits are hundreds Minor version digits are tens and ones For example 210 v2 10...

Страница 73: ...the Universal Manifold and values 1 6 for the MiniManifold Controller moves the arm to that position on the manifold Value 0 moves arm to Home position 40027 signed integer Real Time Clock RTC high Up...

Страница 74: ...ASCII string Flow Unit char 2 char 3 40043 unsigned integer Calibration Reference Voltage millivolts 40047 signed integer Calibration Due Date high Indicates when instrument is due for calibration Th...

Страница 75: ...se When this register is read it always returns a zero Device Status The Device Status register 40003 displays the current status of the device Table A 4 Device Status Bit Description 0 RUNNING Set wh...

Страница 76: ...nable Local Control Unlocks the instrument s user interface Instrument changes can be made at the device itself or through MODBUS 7 Turns local pump on if applicable Flow is regulated by an internal s...

Страница 77: ...12 Instrument Stop Aborts current sample Stops pump if applicable Stops data collection 13 Set Real Time Clock Writes Data Set values from Registers 40035 40036 to the local Real Time Clock New time v...

Страница 78: ...ront of the low bytes For example High Bytes Low Bytes 4 Byte Data Item The 43xxx register series is used to determine which particle data channel is ENABLED These registers supersede the older Data E...

Страница 79: ...rns garbage See the Data Enable Registers section of this document for details on how to record data from active channels This entire series of registers represents one data record in the device The R...

Страница 80: ...low 30019 unsigned integer Particle Channel 6 high 30020 unsigned integer Particle Channel 6 low 30041 IEEE Float Analog Channel 1 high 30042 IEEE Float Analog Channel 1 low 30043 IEEE Float Analog Ch...

Страница 81: ...the most significant bit and bit 0 is the least significant bit The bits within the Device Status Word are flagged to indicate particular conditions of the currently indexed data record If multiple s...

Страница 82: ...30076 represents the flag bits corresponding to particle channels that have exceeded the threshold Threshold High Registers 45xxx series based on alarm mode Data Type Registers Note All data records...

Страница 83: ...The 42xxx register series identifies the units used by data items in the Table A 9 Data Types String Description TIME Timestamp STIM Sample Time SVOL Sample Volume LOC Location STAT Status TEMP Tempe...

Страница 84: ...reserved for future use NOTE This register bank is obsolete and is maintained for backward compatibility Table A 11 Data Units Units Description Units Description Count For Particles ft m Feet per min...

Страница 85: ...this by turning on the service LED Refer to Chapter 3 Getting Started for LED details WARNING Cleaning and maintenance should only be performed by an authorized LWS Service Representative Removal of...

Страница 86: ...Lighthouse NanoCount 30 Operating Manual B 2 248083427 1 Rev 4...

Страница 87: ...ayment required from Buyer to LWS under this contract or otherwise all warranties and remedies granted under this Section may at LWS s option be terminated C THE FOREGOING WARRANTY IS EXCLUSIVE AND IN...

Страница 88: ...NanoCount unit please contact the Engineering Department at 1 510 438 0500 Warranty Of Repairs After Initial One 1 Year Warranty A Upon expiration of the initial one year warranty all parts and repai...

Страница 89: ...4 17 Command Register A 6 Communicating with the Instrument 4 1 Communication Modes 2 3 Communication Ports 3 12 4 20mA 3 12 Ethernet 3 12 RS485 3 12 Communications 4 1 Communications Settings A 1 Con...

Страница 90: ...dress 4 14 Hazardous materials warning 3 1 Help 1 i Hold Time 6 5 Host 4 14 I Initial Inspection 3 1 Inlet Connection to Sample Source 3 14 Inlet Nozzle 3 14 IP 4 18 IP Address 4 14 IP address 4 15 L...

Страница 91: ...4 SERIAL CONFIG 5 7 STATUS 5 10 TIME DATE 5 6 Sensor Settings Registers A 2 Location 6 5 Sample Time 6 5 Using Sensor Setting Registers 6 5 Set adapter s IP address 4 20 Setting the Real Time Clock 6...

Страница 92: ...Lighthouse NanoCount 30 Operating Manual I 4 248083427 1 Rev 4 Warranty C 1 Warranty Of Repairs After Initial One 1 Year Warranty C 2 Weight 2 3 Wetted Surface Materials 2 3...

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