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Mect MPNC006 Series, User Manual

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Mect MPNC006 Series User Manual Download Page 4

RTU Modbus interface : MPNC006                                                           Mect srl  

2 

ME7084_05  07/21 

3.6

 

ModBus Connection ....................................................................................... 18

 

3.7

 

Installation example TPAC1007 / TP1043 ..................................................... 19

 

3.8

 

Installation example TPAC1008 / TP1070 ..................................................... 20

 

3.9

 

Terminating resistence .................................................................................... 20

 

3.10

 

Watchdog ..................................................................................................... 21

 

4

 

RTU  ModBus registers map ............................................................................... 21

 

5

 

Status led ............................................................................................................. 26

 

5.1

 

On Led ............................................................................................................ 26

 

5.2

 

Run Led ........................................................................................................... 26

 

5.3

 

Overflow/configuration Led ........................................................................... 26

 

5.4

 

Digital I/O Led ................................................................................................ 27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for MPNC006 Series

Page 1: ...ME7084_05 07 21 User Manual MPNC006 series Modbus RTU interface MANUALE D USO...

Page 2: ...RTU Modbus interface MPNC006 Mect srl ME7084_05 07 21...

Page 3: ...eties of DIN rail and TBUS 8 3 MPNC006 Wiring 9 3 1 Power supply 9 3 1 1 Isolation 9 3 1 2 System power supply 9 3 1 3 Digital outputs power supply 10 3 1 4 Fuses 10 3 1 5 Grounding 10 3 1 6 Cable scr...

Page 4: ...ion 18 3 7 Installation example TPAC1007 TP1043 19 3 8 Installation example TPAC1008 TP1070 20 3 9 Terminating resistence 20 3 10 Watchdog 21 4 RTU ModBus registers map 21 5 Status led 26 5 1 On Led 2...

Page 5: ...of MECT devices due to the non compliance with information in this manual In MECT S r l there is an help desk service 1 2 Symbols Danger Follow these advices to avoid people injury Warning Follow thes...

Page 6: ...rom the line that supplies the power elements For safety regulations it is necessary to provide a two phase switch disconnector with fuse located near the instrument and easily replaceable Avoid the p...

Page 7: ...IEC 61131 2 2 Degree of protecion IP 20 Digital inputs Input range 0V 24Vdc 15 Max current for every digital output 500mAdc 24 Vdc Analogue input number 2 Analogue input type mA V PT100 TC J K T B R...

Page 8: ...lity The electromagnetic compatibility tests have been carried out at accredited laboratories according to EN 61326 1 EN 61131 2 and EN 61000 6 2standards Attention Install the devices in electrical s...

Page 9: ...ese operations make sure that devices are not supplied 2 3 3 Assembly sequence The insertion or removal of a single terminal is carried out by acting on the fastening hook to the DIN rail located at t...

Page 10: ...own in the figure Figure 4 Assembly 2 3 4 Proprieties of DIN rail and TBUS All the modules must be hooked directly onto DIN rail of type EN 50022 DIN 35 on which the TBUS connection modules have been...

Page 11: ...e internal bus TBUS Only on each terminal has an isolation barrier been created which allows the masses of each terminal to be separated from one another 3 1 2 System power supply The MPNC006 requires...

Page 12: ...arantee the necessary current Figure 8 3 1 4 Fuses The system has no fuses internally however for the protection of the input of the MPNC006 power supply it is recommended to insert a 1 A fuse while f...

Page 13: ...hown in the figure Figure 9 Daisy chain wiring 3 3 I O Connection The MPNC006 can be used either alone or connected to a series of MPNC series terminals and connected via Modbus to a graphical termina...

Page 14: ...input connection The following figure shows the connections required to use the temperature sensors and analog inputs to the MPNC006 Figure 11 Analog inputs 3 3 2 Digital inputs Connection If configu...

Page 15: ...r of terminals that can be connected to the MPNC006 is limited by the internal bus line practically they can be connected to the most 4 MPNC020 01 digital inputs 4 MPNC020 02 digital outputs 4 MPNC030...

Page 16: ...is important that the address setting is carried out before the MPNC006 is turned on because one of the first operations carried out at the turn on is the reading of the DIP status and if it detects...

Page 17: ...e 3 5 2 Baud Rate settings On the MPNC006 you can set 4 different baud rates The baud rate is set via the DIP switches 1 to 2 The permitted baud rate values are shown in the following table Switch set...

Page 18: ...chosen dips 1 and 2 select the configuration to be programmed Parity bit S1 0 S2 1 Procedure Set all dip switches to 0 except dip 2 Power up the instrument Wait a few seconds until the LED_On flashes...

Page 19: ...Run Ain1 and Ain 2 to light up Switch off the instrument Set the Baud rate and the desired address Power up the instrument As long as dips 3 to 8 are at 0 the LEDs LED_Run LED_Ain1 and LED_Ain 2 indi...

Page 20: ...LED_On LED_Run LED_Ain1 and LED_Ain 2 are flashing until the bits from S3 to S8 are brought to 1 This causes the device to be configured as Stop bit 1 No parity To activate the default configuration...

Page 21: ...ect srl 19 ME7084_05 07 21 3 7 Installation example TPAC1007 TP1043 This section describes an example for the commissioning of a system composed of MPNC006 MPNC020 MPNC030 Master Modbus TPAC1007 TP104...

Page 22: ...on describes an example for the commissioning of a system composed of MPNC006 MPNC020 MPNC030 Master Modbus TPAC1008 TP1070 Figure 19 Modbus connection 3 9 Terminating resistence The two position dip...

Page 23: ...rs Press the right button inside the table and select Paste MPNC006 Variables The Notes column of the table below shows the reference variable for the Crosstable in bold Register Description Note Type...

Page 24: ...resolution range 40 C 800 C PT100R 0 1 C resolution range 40 0 C 200 0 C MPNC_AnIn_A_1 R 10 Value of Channel 2 module 1 See description module 1 MPNC_AnIn_A_2 R 11 Value of Channel 3 module 1 See desc...

Page 25: ...Values of DIGITAL OUTPUTS module 2 MPNC020 Bit 1 16 MPNC_DigOut_B_1 MPNC_DigOut_B_16 R W 27 Values of DIGITAL OUTPUTS module 3 MPNC020 Bit 1 16 MPNC_DigOut_C_1 MPNC_DigOut_C_16 R W 28 Values of DIGIT...

Page 26: ...tion range 40 0 C 200 0 C 8 thermocouple S Celsius deg 9 thermocouple B Celsius deg 10 thermocouple R Celsius deg MPNC_AnInConf_1 R W 41 Analog input 2 configuration MPNC_AnInConf_2 R W 42 Analog inpu...

Page 27: ...Out_A_1 R W 56 Value of Channel 2 module 1 MPNC_AnOut_A_2 R W 57 Value of Channel 3 module 1 MPNC_AnOut_A_3 R W 58 Value of Channel 4 module 1 MPNC_AnOut_A_4 R W 59 Value of Channel 1 module 2 MPNC_An...

Page 28: ...TBUS configured Fixed Off TBUS not configured 5 3 Overflow configuration Led The overflow LEDs indicate whether the signals on the analog inputs have exceeded the permitted values The permitted value...

Page 29: ...RTU Modbus interface MPNC006 Mect srl 27 ME7084_05 07 21 5 4 Digital I O Led The eight LEDs of the digital I O indicate if there is a voltage of 24V on the associated line...

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