NMTC module
Contents
1. OV NC SET2 NO i SET3 FB N P b N lt p l 11 Relay and Modbus connection om 22 yr e 4 4 7 552 MODE m l LED1 LINK al Sen LED LINK ETHERNET ETHERNET E 5 a _ Lom amp 7 SET1 RUN D nc 2 7 2 MAX 2 7 SET3 FB X b Pd ALARM 2 Pd 4 RUN i L Relay and Ethernet connection T 7 me m NS amp d 4 ATIN a MODE A 0 LED1 LINK sd ETHERNET LED2 iam B D ac age o pss A D RUN 1 RUN Lov Ty 2 OV SET2 MAX 7 5 FB N 2 N N me N S M NOTE To maintain pump IP protection the network cable should be pulled through the gland idi inlet and then crimped to a connector 4 Control modes and priorities 4 1 Priority of settings Several signals will influence the pump operation For this reason settings have priorities as shown in the table below If two or more functio2. 25 Nmax Off 1 2 3 10 U V Figure 3 External 0 10V transfer curve for Mode 1 4 5 Mode 2 18 Mode 2 is used for external 0 10V voltage control Terminal designation SET1 RUN COM OV SET2 MAX SET3 FB Signal function RUN input Signal load 0 5mA Common ground for voltage input SPEED input Signal load 0 5 10 5V feedback voltage for SET1 and SET2 Mode 2 connection configurations 5 KLS SISSIIS E LED1 LINK ETHERNET LED2 ACT B D A D SET1 RUN COM OV SET2 SET3 FB RS 485 Pd amp MODE LED1 LINK ETHERNET LED2 ACT B D A D SET1 RUN COM OV SET2 MAX SET3 FB RS 485 19 RUN MAX voltage voltage lt 2V 0 10V Pump stopped Function ud dc 23V 0 10V Hmin 15 Himax Nmin 25 Nmax Hmin Nmin Off 0 5 10 Figure 4 External 0 10V transfer curve for Mode 2 5 Relay output Terminal ae Terminal description designation MODE Mode selection rotary switch Used to show and configure mode of operation for relay LED1 LINK Slowly blinking when module is powered permanently lid when link established Flashing yellow when data reception detected Combined OR with Modbus data reception indication NC Normally closed relay c
3. address you need to manually enter it into browser window P Save Log Page This page is used to monitor and check if the pump is reporting any errors Errors are also displayed by the pumps LED light The following data is displayed here Current error Last error the last detected error 30 Startup diagnosis shows a chain of numbers and represents information for service personnel In the Current error and Last error row next to the error number there is a link which redirects you to the reference error list Overview Pump For operation statistics go to Overview page Current error 0 error descriptions Last error 2 error descriptions Startup diagnosis 0000000000000000 this field should return a chain of 95 at all times This info is for service personnel only and is meant to provide detailed information for codes 4 and 5 See service manual excerpt for quick reference Error Page Here error descriptions are given for the corresponding blink error code Next to the descriptions probable causes and solutions to the problem are given See user manual for error descriptions Help Page This page redirects you to www imp pumps com where software updates and manuals will be available 7 Modbus 7 1 Modbus related interface Designation Description MODE Can be used to reset network configuration LED2 ACT Indicates Ethernet activity or Modbus recepti
4. 32 7 6 Register block overview 33 7 7 NMTC Configuration register block 33 7 8 Status register block 34 7 9 Pump control register block 34 7 10 Pump status register block 36 7 11 Pump data register block 38 7 12 Modbus telegrams and function codes 39 Fault TIO ooo ueste cu 39 8 1 39 8 2 Communication faults 41 Prior to installation and commissioning read these instructions first Installation and operation must WARNING Installation and use of this product requires experience and knowledge of this or similar products Persons with reduced physical mental or sensory capabilities must not use this product unless properly instructed and supervised Children must not be allowed to play with this product WARNING comply with local regulations 1 Symbols and conventions used in this document WARNING N Denotes that a failure to observe those instructions might cause damage to equipment or pose danger to the user NOTE Gives additional tips or instructions that might ease the job and ensure proper operation 1 1 Abbreviations and conventions Abbreviation Baud Baud rate CRC Ethernet H LED Modbus NMTC Q RTU RS 485 Description Serial communication speed in bits per second including start parity and stop bits Cyclic Redundancy Check additional bytes u
5. Indicates if the pump is rotating running or not No rotation 1 Rotation Indicates if the pump is locally or remotely controlled O Local a source with higher priority controls the pump 1 Remote controlled by Modbus master Indicates if the pump is on or off Off 1 On It not necessarily indicate rotation as an error might stop the pump Indicates if there is a problem with proper operation No problem 1 Error present Pump might still run Indicates if the pump is running near maximum speed O No 1 Yes This flag is set when power or speed is over 95 of rated maximum Indicates if the pump is running near minimum speed 1 Yes This flag is set when speed falls below 1 3 of rated maximum TBD Indicates the actual control mode O ConstantRPM 1 ConstantRPM 3 ConstantHead 4 ConstantHead 5 ConstantHead 6 ProportionalHead 128 AutoHeadMode Current first error code when pump is operating without problems This value will always be non zero when there is an error present See section 9 1 Error codes for code details Second error code Non zero when there is more than one error See section 9 1 Error codes for code details Third error code Non zero when there is more than two errors See section 9 1 Error codes for code details 37 Address Register name Description Indicates the actual control mode AutoHeadMode Automatic
6. signals relay status and the twin pump mode status are all displayed here The latter tells us if the monitored pump is connected with a second one in the twin pump mode The first two parameters are described in a separate manual Pump page 20 This page is used to adjust the values of various pump parameters On the basis of these user input parameters the pump will automatically regulate itself On the top right side of the page you can find Dverview Pump Network Log Help Limit head adjusts the maximum pump head The pump will try to maintain that head between its Regulation settings ports Limit head Hmax to 3 0 m h20 Hmax proportional to Q will reduce the head at low flow It will drop for a set precentage at zero Hmax proportional to Q 0 flow Limit rpm to 3000 v min Limit rpm can provide a head regulation similar to a manual adjustable pump Limit power to 500 W Regulation will reduce the pump power until none of the parameters will be exceeded Limit grid current 60 A Limit heatsink temperature to 90 C Switch on the relay when error Input I1 is run Input I2 is max Save Restore the Regulation settings column The settings are in the following order from top to bottom e Limit head Hmax sets the maximum output head differential pressure e Hmax proportional sets the percentage of proportionality proportional Limit
7. 0 1 1 stop bit default 2 2 stop bits 011 RESERVED Configures module relay output O indicates fault 1 indicates pump ready 012 RelayControl 0 2 1 2 indicates pump operation See section 5 Relay output 7 8 NMTC Status register block Registers in this block are read with either function codes 0x03 or 0x04 They read only This block can be used for various kinds of fault finding Address Register name Resolution Description 021 022 RESERVED 023 SoftwareVersion 0 1 Module software version 024 029 RESERVED Product version Versi 1 9 32 for NMTC module x denotes hardware revision 031 RESERVED 032 SoftwareVersion 0 1 10 1 0 7 9 Pump control register block Registers in this block are read with either function codes 0x03 or 0x04 They can be written as holding registers with function codes 0x06 and 0x10 34 Address 101 102 103 104 105 106 107 108 Register name ControlReg AltControlMode OperationMode SetPoint RelayControl RESERVED ControlMode Range bO RemoteAccess b1 OnOffReq b2 15 RESERVED 0 10000 0 2 0 3 Description Control bit that sets local or remote control Setting this bit will enable pump control over Modbus Local 1 Remote controlled by Modbus master Control bit that switches the pump on or off Off stop 1 On start Alternative Control mode Use
8. 0s every 3 Operation Power consumption 1 W 500 W Gnd current 0 01 6 0 A RPM 0 min 0 Estimated head 0 0 m 3 0 m Estimated flow 0 0 Estimated efficiency 0 Pump status rs avaliable on the right In order to refresh the view press browser s refresh button or choose automatic refresh Temperatures Motor OK Heatsmk 21 C 90 Operating hours 353 h Number of restarts 26 Energy consumed 99 kWh Control Lhgrtal inputs nan Umax Relay status Tain pump mode N A 4 On the top right side of the page you can find the Refresh the view option Using it you can decide whether to automatically refresh every 3 every 30 seconds or to never refresh the Overview page Below pump parameters are displayed in the following order e Operation Here various pump operation parameters are shown which display the current measured or estimated calculated value Next to the measured estimated value the user set value is displayed in brackets e Temperatures The pumps temperature measured on its heatsink and the motor status is displayed here If the temperature in the motor is too high HOT will be displayed next to the Motor parameter and the pump will automatically lower its power The same will happen if the heatsink temperature rises over the set limit e Statistics Various pump statistics data are displayed here e Control The status of the digital input control
9. 192 168 0 245 and MAC 02 AB E0 4E C4 85 Pump status is avaliable on the right In order to refresh the view press browser s refresh button or choose automatic refresh Parameter Value limit Refresh the view never every 30s every 3s eration Power consumption 490 W 500 W Grid current 2 33 A 6 0 or 192 168 0 245 If connecting to a duplex pump the right pumps has RPM 2249 min 3000 min Estimated head 5 8 m 7 0 m Estimated flow 14 1 m3 h Estimated efficiency 46 Temperatures ELA 192 168 0 245 and the left ds Operating hours 239 h nmtpump2 OF Number of restarts 240 192 168 0 246 Energy kWh Digital inputs 1 run O max Relay status O error Twin pump mode N A 4 6 4 Pump configuration over Ethernet Monitor and adjust the NMT pump via the web pages When you are connected to the pump and enter the settings page you see that it has 5 subpages e Overview e Pump e Network e Log e Help 27 Overview Page The Overview page is opened when you enter the NMT web pages You can monitor the NMT pump on this page Current operation parameters pump temperature control status and statistics are all displayed in this section NMT 40 Welcome You have reached 40 circulating pomp It is connected to network wrth 197 168 0 7245 Parameter Value limiti and MAC 02 0 4 4 55 Refresh the view never every 3
10. 2 MAX SET3 FB NC C NO OK Description Mode selection rotary switch Used to configure mode of operation for the circuit See section 4 3 Module mode selection Slowly blinking when module is powered Blinking fast when Modbus Error Permanently lid when Ethernet link established 1OBASE T RJ 45 connector Indicates Ethernet activity or Modbus activity RS 485 negative data signal for Modbus RS 485 positive data signal for Modbus Control signal 1 RS 485 common and analog input common ground Control signal 2 Control signal 3 Normally closed relay contact Opens when relay is active Relay common contact Normally open relay contact Closes when relay is active 3 1 Connection considerations e All cables connected must be heat resistant to at least 85 C e All cables connected must be installed in accordance with EN 60204 1 e All wires to the communications module must be connected to the terminals or cut No loose wiring permitted e If voltages over 24VAC DC are possible on NO C NC terminals WARNING e Wires should be routed so no wire crosses the center barrier Relay cable NO C NC must be separated from all other wiring with reinforced insulation Cable outer layer must not be stripped longer than 15mm See Cabling preparation below Cabling preparation Tools max 15 mm 0 25 1mm Cable for the screwless terminals should be prepared as shown on the left 8 7 10
11. Default IP address Ethernet visual diagnostics Modbus RTU Screwless terminals RS 485 Two wire common Integrated 1 8 of standard load 1200 m 1 247 Not present 1200 2400 4800 9600 19200 38400 baud 1 8 1or2 Even odd none LED2 247 256 bytes Common ground COM with SET1 SET2 and 5 RJ 45 2 1 pins See section 7 3 Connection to Modbus Conductors A B and COM Common See section 7 3 Connection to Modbus Connect either via passive taps or daisy chain See section 7 5 Termination Default is 245 settable over Modbus See section 7 4 Speed parity and address Line termination is not integrated For low speed short distance termination can be omitted Otherwise terminate the line externally on both ends Settable over Modbus register default 19200 Fixed Fixed 1 stop bit minimum up to 2 when parity not enabled default 1 default Even Flashing yellow when data reception detected Combined OR with Ethernet ACT function Limited by possible Modbus addresses to 247 1 8 nominal load enables 256 devices Including address 1 and CRC 2 bytes Modbus shares common ground with other signals 10BASE T 10Mbit s connection Web server port 80 Firmware update over web interface Optional Modbus RTU over TCP IP 192 168 0 245 LED1 LINK LED2 ACT 192 168 0 246 for right twin pump Slowly blinking when modul
12. NMTC module Functional profile and user manual preliminary 7340055 v4 Contents 1 Symbols and conventions used in this COCUIM OI du 4 1 1 Abbreviations and conventions 4 2 00 1 4 E 5 2 1 System 5 2 2 Specifications 5 3 Module 7 3 1 Connection considerations 8 3 2 Connecting the module wiring 9 3 3 Connection examples 11 4 Control modes and priorities 12 4 1 Priority of settings 12 4 2 Control variables 13 4 3 Module mode selection 13 4 4 n 14 4 4 1 Digital switch control 15 4 4 2 Analog control 17 4 5 MOUE M e 18 5 Relay OUtDULi 20 6 21 6 1 Bus 21 6 2 Connecting to pump ad hoc with 22 6 3 Connecting to pump via router 26 6 4 Pump configuration over Ethernet 27 MIOODUS 31 7 1 Modbus related interface 31 7 2 Bus 31 7 3 Connection to Modbus 32 7 4 Speed parity and address 32 7 5 Termination
13. alues into memory only to check how possible changes affect the pump The RESTORE button retrieves the saved settings from memory Network page This page is used for adjusting the network settings of the pump You can change the following values e Pump address e Subnet mask e Default gateway e NetBIOS name e Twin mode with The SAVE TEST and RESTORE buttons work in the same way as on the Pump page NMT 40 Overview Pump Network Help IP address is a pump network address The pump is seen as http server on this address Network connection settings Subnet mask sets subnet address range that is on the same subnet and can be reached directly Pump IP address 192 168 0 245 The rest of communication goes over the gateway Subnet mask 255 255 0 0 Default gateway provides connection route to larger networks This is usually a router address Default gateway 192 168 0 1 NetBIOS name is a local network name service Instead of 192 168 0 245 you can for example NetBIOS NMTPUMP http NMTPUMP Twin mode with IP 0 0 0 1 Twin mode with IP will connect two pumps for alternating operation When two pumps are configured for twin mode they will switch about once per day Setting this field to unexistent IP will disable this option Set it so the first pump references the second and vice versa Use Save carefully Incorrect settings might render pump unreachable If you change the
14. c network i Change your networking settings M Set up new connection or network Set up a wireless broadband dial up ad hoc or VPN connectio 5 Right click on your wired Local Area Connection and select Properties wer search Network Cor Net Network Connections Hy Organize Disable this network device m Bluetooth Metwork Connection Local Area Connection e Motcannected P Unidentified network Bluetooth Device Parsona Area Realtek RTLE139 810x Family Fas m Wireless Network Connection Not connected Status X i InteliR PRO Wireless 3845AB Diagnose 67 Bndge Connections Create Shortcut Delete y Rename 24 6 Select Internet Protocol Version 4 TCP IPv4 and select Properties 8 Type in IP address 192 168 0 where XXX can be any number from 2 to 244 Subnet mask will be automatically inserted Select OK to confirm 9 Open your web browser Networking Connect using Network Connection This connection uses the following items 086 Client for Microsoft Networks 225 Packet Scheduler i File and Printer Sharing for Microsoft Networks ai ntemet Protocol Version Intemet Protocol Version 4 4 wi Link Layer Wapology Discovery Mapper Driver wi Link Layer Discovery Responder install Unins
15. e is powered permanently lid when link established Flashing yellow when data reception detected Combined OR with Modbus data reception indication Mode selection switch Adjustment 10 position rotary switch Analog signals 5 1 SET2 5 Input voltage range 1 32VDC Output voltage range 0 12V Input resistance 100k Output current sink range 0 33mA 4 20 Relay specifications Connection type Screwless terminals Rating 230 VAC 1 32VDC 3A 3 Module layout LEDI LIMK ETHERNET LED T m 7 a E 1 Position read at power on Used for relay configuration and module configuration reset When used as input When used as output 5mA max load allowed per output 0 5mA load is added for most configurations Current sink to COM if configured as output Potential free changeover contact LED1 LINK LED2 ACT B D RS 4 hipaa 2 SET1 RUN 2 2 120815 COM OV SET2 MAX SET3 FB co NO M P gt mo 5 P RUN MAX M gt L g Figure 1 Typical module connection Terminal Designation MODE LED1 LINK Ethernet LED2 ACT B D A D SET1 RUN COM OV SET
16. e on NMT 65 pump the pump and type in the first 1921680245 nethtm three set of numbers of your ip address that you got on the last slide under Pump IP address and press save IP address is a pump network address The pump is seen as http server on this address Subnet mask sets subnet address range that is on the same subnet and can be reached directly The rest of communication goes over the gateway Default gateway provides connection route to larger networks This is usually a router address NetBIOS name is a local network name service Instead of 192 168 0 245 you for example use http NMTPUMP Twin mode with IP will connect two pumps for alternating operation When two pumps are configured for twin mode they will switch about once per day Setting this field to unexistent IP will disable this option Set it so the first pump references the second and vice versa D Save Test Restore Use Save carefully Incorrect settings might render pump unreachable If you change the IP address you need to manually enter Change according to your network configuration 6 Connect the pump and router with an Ethernet patch cable 7 Open your web browser 9 Type nmtpump in your su address bar Dorian iU 10 You are now connected to NMT 40 the pump Network Welcome Pump status You have reached NMT 40 circulating pump It is connected to network with IP
17. gher than expected Electrical circuitry did not pass self test One of the display segment diodes is faulty open short Display board does not detect proper connection to main board but power supply is present Voltage on DC link shunt R34 not in expected range During MFG TEST this is 10k 196 resistor for 10 30C During operation expected values are 55 C 150 C During MFG TEST this is 0 50 C During operation expected values are 55 C 150 C Comparison between internal references does not match 15V supply not 15V No test load detected or current measurement does not work properly MFG TEST Motor does not behave as expected 40 8 2 Communication faults tbd 41
18. head between head and flow 0 proportionality sets the Q H curve to constant pressure the pressure doesn t change with flow there is no proportionality X96 proportionality sets the Q H curve to proportional pressure This value determines the percentage of pressure fall in relation to Hmax Example Limit head value Hmax is set to 10 m and Hmax proportional is set to 5096 As a result the Q H curve is going to start at 5 m and rise in a straight line until it reaches 10 m After that point it will follow the unregulated curve See the graph on the right for the shape of the Q H curve if Limit head or Hmax proportional is set e Limit RPM sets the maximum RPM of the pump Comparing to the unregulated curve the Q H curve scales down RPM limiting is recommended when you want to change the curve This sort of regulating is similar to a manual adjustable pump e Limit power sets the maximum power of the pump When limiting power the Q H curve scales down and its slope gradually decreases e Switch on the relay e Input i 29 e Input 2 You can combine different settings i e Limit Power and Limit Head and by doing that shape the Q H curve to your liking On the bottom right side of the page three buttons are located SAVE TEST and RESTORE The SAVE button is used to save the current set values into permanent memory while the TEST button is used to apply changes to the pump without saving the set v
19. head mode 1 ProportionalHead Head proportional to flow 2 ConstantHead Head is kept constant 208 ControlMode 3 ConstantRPM Speed is kept constant NOTE values outside this range reserved See section 4 2 Control variables for exact parameter to be controlled 7 11 Pump data register block Registers in this block can be read by means of function codes 0x03 and or 0x04 They are read only Modbus addres Register name Range Resolution Description 301 Head 001m Pump head estimation in meters of water column 302 Flow 0 1 m h Pump flow estimation 303 Efficiency 0 01 96 Estimated pump efficiency 304 Speed 1rpm Motor speed Motor frequency 305 Frequency 0 1 Hz 100 0Hz for 3000rpm and 4 pole motor 306 307 RESERVED 308 ActualSetPoint 0 10000 0 01 Nes cordate SAPON OPAS POMP 1 for internal pump regulation tbd 309 311 RESERVED 312 PowerHlI 32 Total power consumption of the 0 2 1W 313 PowerLO system 314 317 RESERVED e 5500 Power electronics hotspot 318 CircuitTemp 16000 0 01 C temp rature 5500 319 MotorTemp 16000 0 01 C Motor compartment temperature 320 321 RESERVED 322 LiquidTemp ocio 0 01 C Liquid temperature 16000 323 326 RESERVED 327 OperationTimeHl har Total operation zero 328 OperationTimeLO speed of the pump 1 hour Total power on time of the module 331 RESERVED 332 1 kWh Total energy consumption of the 333 EnergyLO sys
20. mm 2 4mm wide flat bladed screwdriver is needed to press the terminal spring while inserting the cable Same tool is also used to rotate the Mode switch 3 2 Connecting the module wiring Opening the cover WARNING Before performing any work on the module make sure that the pump and module electricity supply has been switched off and that it cannot be accidently switched on 1 Press two top hooks on the display panel Use flat tip screwdriver if needed 2 Simultaneously pull display panel away from the pump 3 Disconnect display panel cable to ease access to the module wiring Wiring can now be connected Closing the cover WARNING Before performing any work on the module make sure that the pump and module electricity supply has been switched off and that it cannot be accidently switched on 4 Reconnect display panel cable 5 Make sure that the position tab and position slot are aligned 10 Closing the cover 6 Make sure that the hooks are aligned 7 Push the display back to the NMTC module 3 3 Connection examples Default factory configuration we BE L i N N 5 N N MODE ig LED1 LINK LED1 Li 5 M cene ETHERNET m LED2 ACT 2 ELE RS Ri 2 16 RS 485 SET1 RUN
21. mp control R W Pump control registers 201 Pump status R Status data from the pump 301 Pump data R Measured data from the pump All addresses contain 16 bit one Word registers Some are bit interpreted while others are combined for a 32 bit value NOTE All register addresses are 1 based Address 001 is thus transmitted over bus as 0 0000 7 7 NMTC Configuration register block Registers in this block are read with either function codes 0x03 or 0x04 They can be written as holding registers with function codes OxO6 and Ox10 NOTE All values in this block are stored in nonvolatile memory immediately after write NOTE See section 4 3 Module mode selection an use Mode 8 or 9 to restore default settings if you cannot access the controller after writing to these registers 33 Address Register name Range Resolution Description Delay in milliseconds for slave reply This delay 001 SlaveDelay 0 10000 ims will be added to every Modbus reply default 0 002 RESERVED 003 ModbusAddress 1 247 1 Modbus address default 245 Modbus transmission speed enumeration 1200 baud 1 2400 baud 004 BitRate 0 5 1 2 4800 baud 3 9600 baud 4 19200 baud default 5 38400 baud 005 008 RESERVED Parity setting to be used for communication O No parity 955 Hue 1 Even parity default 2 Odd parity Stop bits used for communication 2 stop bits will only be used when Parity is set to 010 StopBits 1 2 2
22. ns are active at the same time the one with highest priority will take precedence 12 Pump control panel amp Priority Ethernet settings External signals Modbus control 1 Stop OFF 2 Night mode active 3 Max RPM Hi 4 Min 5 Stop Run not active 6 Stop 7 Setpoint setting Setpoint setting 8 Setpoint setting Examples e Stop onthe pump display panel will stop the pump regardless of external setpoint e f External Run input is inactive the pump cannot be started over Modbus but can be set to max RPM on the display panel 4 2 Control variables Pump will respond to external controls according to selected pump operating mode Consult proper pump operating manual for explanation Symbol Regulation mode Module setpoint controls 4 Auto mode RUN only Proportional pressure Maximum head Constant pressure Maximum head Constant speed 2 Free Web interface only 6 O Night mode RUN only 4 3 Module mode selection Not all inputs are available in all modes External and Modbus Stop signals become active in night mode Due to possible confusion use of night mode is discouraged while using external control 3 Only available when pump is bus controlled Not available when pump is bus controlled Multiple limits can be set Not available all pumps i Night mode is not independent regulation mode 13 WARNING Before performing any
23. of register 108 is preferred Sets the control mode enumeration ConstantRPM 1 ConstantRPM 3 ConstantHead 4 ConstantHead 5 ConstantHead 6 ProportionalHead 128 AutoHeadMode NOTE values outside this range reserved RESERVED Sets desired pump setpoint will stop the pump 10000 will set the pump to maximum output for desired mode Values outside of valid range will cause the pump to operate with front panel set values Configures relay output O indicates fault 1 indicates pump ready 2 indicates pump operation See section 5 Relay output Sets the pump control mode AutoHeadMode Automatic head mode 1 ProportionalHead Head proportional to flow 2 ConstantHead Head is kept constant 3 ConstantRPM Speed is kept constant NOTE values outside this range reserved See section 4 2 Control variables for exact parameter to be controlled 35 7 10 Pump status register block aat in this block can be read by means of function codes 0x03 and or 0x04 They are read only 36 Address 201 202 203 204 205 206 207 Register name StatusReg bO b5 RESERVED b6 Rotation b7 RESERVED Bit 8 AccessMode Bit 9 IsOn Bit 10 Error Bit 11 RESERVED Bit 12 RESERVED Bit 13 NearMaxSpeed Bit 14 RESERVED Bit 15 NearMinSpeed RESERVED ControlMode RESERVED ErrorCode1 ErrorCode2 ErrorCode3 Description
24. on B D RS 485 negative data signal for Modbus A D RS 485 positive data signal for Modbus COM OV RS 485 common and analog input common ground 7 2 Bustopology NMTC is a Modbus slave connected directly to a Modbus RTU network Connection can be made in either daisy chain style if cabling allows such a connection or a limited length passive tap Schematic example is in Figure 7 31 HEN Passive tap Daisy chain ect ect D D E 2 ct ct 2 2 Figure 7 Example of Modbus network Typically only one master device is connected to the serial bus and one or several slaves are also connected to the bus Slaves do not communicate with each other and will never transmit data without receiving a proper request from the master device Up to 32 single load devices can be connected to one RS 485 Modbus system without using a repeater As this module is a 1 8 load device up to 256 modules can be connected to the bus Repeaters can be used to extend the maximum transmission distance and increase device count if needed 7 3 Connection to Modbus A screened twisted pair cable should be used The cable screen must be connected to the COM terminal and connected to safety ground at one point 7 4 Speed parity and address By default each device is set to 19200 E 1 even parity address 245 Properly set registers in section 7 7 NMTC Configuration register block to configure each device before c
25. onnecting it to existing network Optionally power each device one by one configuring the settings before adding another one There are several ways to restore forgotten Modbus connection settings 1 Configure the module over Web interface See section 6 Ethernet 2 Resetthe module to factory defaults See Mode 9 section 4 3 Module mode selection 3 Ifonly address is unknown Modbus broadcast 0x00 address can be used to write new address Use carefully as the value will be written to all connected devices 7 5 Termination NMTC module contains neither termination nor bias circuitry RS 485 wiring should be externally terminated if needed For short wiring and or low baud rate interface can operate without termination However it is recommended that termination 150 ohm resistor is added on both ends of bus wiring There are wiring length limits regarding to speed and termination Maximum speed baud Maximum cable length m 38400 1200 terminated cable 9600 1200 19200 500 38400 250 32 NOTE Any branch derivative cable is considered unterminated Keep them short below 250m combined for maximum speed and reliability 7 6 Register block overview NMTC Modbus RTU registers are grouped in the following register blocks Start address Register block Readable Writeable Description fi f the NMT 001 DE R W Configuration of the configuration module 021 NMTC status R Status registers for the NMTC module 101 Pu
26. ontact Opens when relay is active C Relay common contact NO OK Normally open relay contact Closes when relay is active The module contains one status relay used to signal pump operation or malfunction See table below for functionality Relay LED status position LED1 LED2 Relay Output Description configuration status When mode Mode 6 or Mode 7 is selected LED1 and LED2 will show relay configuration See section 4 3 Module mode selection LED is on A LED is off C 20 Only active when the pump is powered Error NLS and detects a problem with operation NC NO The relay signal is active when the pum Vi Ready l hie vew ii is ready for operation PIN NC NO C The relay signal is active as long as the Operation pump is operating If the pump comes to bes a stop an error occurs relay will LIN SIS deactivate NC NO C Relay output not active NC NO C Relay configuration number can be modified by either the web interface Modbus register 012 or the Mode switch 6 Ethernet Terminal designation MODE Description Can be used to reset network configuration LED1 LINK Slowly blinking when module is powered permanently lid when link established Ethernet 10 5 RJ 45 connector LED2 ACT Indicates Ethernet activity or Modbus reception The communications module has a built in web server which allows you to access your pump directl
27. puter Control Panel F 28 5 705 and files Dp Shut down Baro 22 2 Select Network and Internet Adjust your computer s settings View by Category Y System and Security User Accounts and Review your computers status Family Safety Back up your computer W Add or remove user accounts esa up parental contrals far Add device Connect to a projector Adjust commonly used Programs Uninstall a program l Hardware and Sound View devices and printers Let Windows suggest settings Optimize visual display 3 Open Network and Sharing Center Control Panel Home System and Security Hardware and Sound Add a wireless device to the Programs HomeGroup User Accounts and Farnily Choose homegroup and sharing options d Internet Options Pena nope ECCE snage add ons Clock Language and Region Delete browsing history and cookies Ease of Access MobileMe 23 4 Select Change adapter settings gt Control Panel All Control Panel Items Network and Sharing Center Control Panel Home View your basic network information and set up connect Manage wireless networks u A E one Multiple networks This computer Change advanced sharing settings Access type INTERNET E Home network ome Connections ANM Access type Public network E m Access type Unidentified network Connections Publi
28. sed to confirm valid data transmission IEEE 802 3 mostly referring to 10 5 RJ 45 connector present on board Differential pressure often called Head Light Emitting Diode A serial communication protocol used for device automation and remote access NMT pump Communication module Pump flow or flow rate Remote Terminal Unit Multi drop serial network wiring used to transfer Modbus data For Modbus use this manual assumes that the reader is familiar with commissioning and configuring of Modbus devices It is also assumed that an existing Modbus RTU network on RS 485 wiring with Modbus master is present For Ethernet and web interface use this manual assumes that the reader knows how to configure or already has preconfigured Ethernet network For use of analog signals and relay output signals external controller needs to be configured and used Proper operating mode must also be selected for the module NOTE e Data this document are subject to change e Actual implementation might differ by pump model and software revision e sure you are using the right manual for your product e Verify proper operation in the final system e Manufacturer cannot be held responsible for problems caused either directly or indirectly by the use of information in this manual 2 Introduction This manual describes the NMTC module for NMT range of pumps that is either integrated or separately available This mod
29. tal Description Transmission Protocol Intemet acol The default wide area protocol that communication across diverse interconnected Internet Protocol Version 4 TCP IPv4 Properties EAR You can get IP settings assigned automatically if your network supports this capab ty Otherwise you need to ask your network administrator for the appropriate IP settings j Obtain an IP address automatically 9 Use the following IP address IP address 192 168 0 135 Default gateway i i Obtain DNS server address automatically Use the following DNS server addresses Preferred DNS server Alternate DNS server Validate settings upon exit 25 10 Type nmtpump in your address bar 11 You are now connected to NMT 40 the pump Welcome Pump status You have reached NMT 40 circulating pump It is connected to network with IP Parameter Value limit 192 168 0 245 and MAC 02 AB E0 4E C4 85 Refresh the view never 30s 3 Operation Pur tatus is avaliable on the right In order to refresh the view press browser s 5 E P Power consumption 490 W 500 W refresh button or choose automatic refresh u Grid current 2 33 A 60 A or 192 168 0 245 2 a ids If connecting to a duplex pump ERE ee the right pumps has nmtpump 25 M 192 168 0 245 and
30. tem 8 Not available on models 38 7 12 Modbus telegrams and function codes 8 Fault finding 8 1 Error codes The following codes will show up on display panel and on the appropriate Modbus registers to help you diagnose the cause of improper operation 39 Error code 1 E10 dry E11 E2x E22 hot E23 E24 E25 E26 F3x E31 E4x E40 E42 LEd E43 con E44 E45 E46 E47 E48 E49 E5x E51 Description Load errors Low motor load High motor load Protection active Converter temperature limit Converter temperature protection Converter overcurrent Overvoltage Undervoltage Pump errors Software motor protection active Device specific error codes General frequency converter error LED faulty Communications failed DC link current offset Motor temperature outside limits Circuit temperature outside limits Voltage reference outside limits 15V outside limits Test load does not match Motor error codes Motor parameters out of range Probable cause Low load detected Pump is running dry Motor might be faulty or viscous medium is present Circuit is too hot and power was reduced to less than 2 3 of rated power Circuit is too hot to run pump stopped Hardware overcurrent protection triggered Line voltage is too high Line voltage is too low for proper operation Average motor current was too high pump load is much hi
31. the left Statistics Operating hours 239 h nmtpump2 or 192 168 0 246 ed Digital inputs 1 run O max Relay status O error Twin pump mode N A 4 6 3 Connecting to pump via router Connecting via a router Requirements e Ethernet patch cable e Device with an internet browser that can connect to a local network computer mobile phone e Router 1 Connect your computer with your router Open your command line by typing cmd in windows search 2 Then type ipconfig in to the i y cmd command line 3 Look for IPV4 Address under ystemdz gt ipconfig the network adapter that you lilindows IP Configuration are currently using wireless or wired Wireless LAN adapter Wireless Network Connection Connection specific DNS Suffix 1 FF AG CELERE 3 1 LF Ge LA MEM wa PELL Lr at it 4 Address 56 5 TASK a oo es Default Gateway a 192 168 1 3 i addu ud 192 168 1 1 Ethernet adapter Local firea Connection Media State Media disconnected Connection specific DNS Suffix Tunnel adapter isatap iCaBb6DD4 7F53 4685 8225 C2 7881828 E Media State Media disconnected Connection specific DHS Suffix Tunnel adapter Teredo Tunneling Pseudo Interface 26 4 Connect your computer to the NMT pump as described previous chapter 5 Open your network pag
32. ule is used for various remote control applications including e Remote on off e Analog 0 10V voltage control e Modbus remote control e Status relay feedback e Web access over Ethernet It is suitable for medium size NMT pumps 90 440W of rated power 2 1 System diagram There are several possible connection configurations Not all functions can be used simultaneously on off 0 10V relay output 2 Modbus RTU Relay output P Ethernet on off 0 10V 2 Modbus RTU Ethernet Ethernet on off relay output 2 2 Specifications The table below is an overview of NMTC specifications For details please refer to appropriate sections of this manual General data 95 relative non Also see appropriate pump data for other Ambi humidi ae condensing ambient specifications Dimensions x H 112 mm x 32 45 mm Dimensions without glands Power supply and 5V 500mA supplied 6 pin connector further extended for display connection by the pump Modbus specifications Data protocol Modbus connector Modbus connection type Modbus wire configuration Communication transceiver Maximum cable length Slave address Line termination Supported transmission speeds Start bit Data bits Stop bits Parity bit Modbus visual diagnostics Maximum number of Modbus devices Maximum Modbus packet size lsolation Ethernet specifications Ethernet connector Connection type and services
33. un with internal setpoint H pump will run with minimal speed for selected regulation mode pump will run with maximum speed form selected regulation mode 16 4 4 2 Analog control Mode 1 connection configurations analog Ly MODE LED1 LINK ETHERNET LED2 ACT B D RS 485 A D SET1 RUN COM 0V SET2 MAX LED1 LINK ETHERNET LED2 ACT B D A D RS 485 SET1 RUN COM OV SET2 MAX SET3 FB nt 3S o MODE LED1 LINK ETHERNET LED2 ACT RUN B D 5 485 A D SET1 RUN SET2 MAX Q Q SET3 FB MODE LED1 LINK ETHERNET LED2 ACT B D A D RS 485 SET1 RUN COM OV SET2 MAX SET3 FB 17 RUN MAX Function voltage voltage lt 2V lt 1V Pump stopped gt 3V lt 1V Internal regulation lt 2V 2 10V Minimum curve H m n RPM Hmax Nmax gt 3V 2 10V Hmin Amin 15 Hmax 25 Nmax Off 1 2 3 10 U V Figure 2 External 2 10V transfer curve for Mode 1 H m n RPM Hmax 0 10V RUN MAX Hmin Nmin Hmin 15
34. will set communication interface to default values Main purpose is to restore default settings NOTE e Disconnect any SET1 SET2 and SET3 connections when using this mode to prevent possible harm to controller SET1 SET2 SET3 will output test voltages of 10V 7V and 5V respectively RS 485 port is actively driven Relay will cycle This is used for testing purposes e lt is recommended that all module wires are disconnected to prevent possible harm to external controllers Mode 1 is most often used mode of operation It has 2 pre prepared inputs that can be used for either digital control or with analog control voltages Additional 10 5V output provides voltage feedback for analog or digital control 14 Terminal designation SET1 RUN input Signal load 0 5mA COM OV Common ground for voltage input SET2 MAX input Signal load 0 5mA Signal function SET3 FB 10 5V feedback voltage for SET1 and 5 2 4 4 1 Digital switch control Mode 1 connection configurations switch a Ca MODE LED1 LINK ETHERNET LED2 ACT B D A D RS 485 COM OV SET2 MAX SET3 FB 2 2 SET1 RUN 2 2 2 15 RUN Function Stop the pump Start the pump Minimum curve Maximum curve Contact eee Description The pump is stopped The pump will r
35. work on the module make sure that the pump and module electricity supply has been switched off and that it cannot be accidently switched on There is a mode selection rotary switch in the terminal box It can be rotated by gently inserting a screwdriver into the arrow mark on top and rotating the switch to desired value Mode switch Function position Free 0 configuration 1 Mode 1 2 Mode 2 3 5 RESERVED 6 Show relay configuration 7 Change relay configuration Twin reset to 8 factory 9 Reset to factory 4 4 Mode 1 Description Terminal functions are configured over Ethernet interface SET1 RUN input SET2 MAX input SET3 FB 10 5V output used to supply RUN and MAX inputs External voltage source can also be used RS 485 Modbus interface See section 4 4 Mode 1 SET1 RUN input SET2 SPEED input SET3 FB 10 5V output used to supply RUN and MAX inputs External 5 24V voltage source can also be used RS 485 Modbus interface See section 4 5 Mode 2 Reserved for future or customer specific use LED1 and LED2 will show relay configuration See section 5 Relay output Relay configuration will be increased 0 gt 1 1 gt 2 2 gt 0 when electricity is turned on LED1 and LED2 will show current relay configuration See section 5 Relay output Same as Mode 9 with exception of module IP address is set to 192 168 0 246 Twin IP address is set to 192 168 0 245 This mode
36. y to an existing Ethernet connection Direct connection to a computer is also possible with a cross over cable The web server uses HTML pages to set view Regulation mode settings Regulation parameters power RPM head flow efficiency Relay settings External control inputs Current and previews error Pump statistics power consumption run time and other 6 1 Bustopology 21 Ethernet connection topologies 1 EET _ Sef Figure 6 connecting to a network via router Figure 5 connecting to a computer with a cross over cable 6 2 Connecting to pump ad hoc with a cross over cable Connecting directly to a computer USE CROSSOVER CABLE These instructions are made for Microsoft Windows 7 You can connect the pump using any other OS with a set IP address when connecting directly to a computer or any other device with a web browser when connecting via a local network Requirements e Computer with an internet browser Chrome Internet explorer Firefox Netscape Safari Mosaic Opera if connecting directly or device with a internet browser e Ethernet crossover cable or Ethernet patch cable Setting a local IP address 1 Open your start menu and then your Control Panel i Getting Started Windows Media Player Sticky Notes Devices and Printers Internet Explorer 64 bit Default Programs Snipping Tool Help and Support FileZilla gt All Programs bames Com
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