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MTC-04-NVT Thermostat User Manual

Version

V1.0

Archive time 2012.7

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Содержание MTC-04-NVT

Страница 1: ...1 MTC 04 NVT Thermostat User Manual Version V1 0 Archive time 2012 7...

Страница 2: ...of Shenzhen megmeet control technology co ltd or directly with the headquarters of the company All rights reserved Contents are subject to change without prior notice Shenzhen megmeet control technolo...

Страница 3: ...dards of the relevant industry strictly comply with the notes and special safety instructions of the relevant equipment provided in this manual and carry out the operation of the equipment according t...

Страница 4: ...erature measurement rich functions easy to use This chapter introduces the appearance structure installation size parts technical parameters buffer and accessories of MTC 04 NVT 1 1Appearance structur...

Страница 5: ...e negative for thermocouple thermal resistance signal input LR1 LR4 Channel 1 4 are negative for thermal resistance signal input OUT1 OUT4 Transistor output port default function for alarm output COM0...

Страница 6: ...er specifications of MTC 04 NVTare shown in Table 1 3 Table 1 3 Power indicator Project Instruction Power 24Vdc 15 20 the maximum allowable ripple voltage 5 maximum power consumption 160mA 1 4 2 Perfo...

Страница 7: ...sampling channel is isolated from the power supply the sampling channel is isolated from the output and the channels are not isolated from each other Note 1 Through the appropriate input type selecti...

Страница 8: ...R N 738 739 740 741 Work status word 9 Default value 0 R N 1 701 704 The measured value of channel 1 to channel 4 The unit is determined according to the input type 901 904 When the mode is Celsius t...

Страница 9: ...accidentally the flag is 1 No broken accidentally wrong channel 7 736 error address setting value range Incorrect BFM area code is displayed 8 737 reflects the current cold end temperature 9 738 741...

Страница 10: ...on of the function A0 was fixed as 0 and A1 was fixed as the maximum of the measurement range in the current mode If you change the D0 and D1 values of the channel you can change the channel character...

Страница 11: ...1 Auto Tune R W Y M8 M9 M10 M11 Auto tuning setting of CH1 CH4 7 Default value 0 0 Not self tuning or auto t uning has been completed 1 Auto Tune R W Y 1000 1001 1002 1003 Control mode setting Default...

Страница 12: ...ID algorithm R W Y 1181 1182 1183 1184 PID output upper limit setting Default value 0 0 Setting range 0 0 100 0 R W Y 1189 1190 1191 1192 PID output lower limit setting Default value 0 0 Setting range...

Страница 13: ...nge 238 0 1112 0 30 30 JPt100 input range 50 0 150 0 31 31 JPt100 input range 150 0 500 0 32 32 JPt100 input range 238 0 300 0 33 33 JPt100 input range 238 0 932 0 34 34 Cu100 input range 30 0 120 0 3...

Страница 14: ...0 20mA 0 1V 0 5V 1 5V 0 10V can be selected the default value is 0 4 20mA Note please do not connect the MTC with the heating execution object before selecting the temperature control mode of the simu...

Страница 15: ...value 0 0 denoted by 0 1 R W Y 408 427 446 465 Step 1 time 2 Default value 0 time 0 900 minutes R W Y 409 428 447 466 Step 2 time 2 Default value 0 time 0 900 minutes R W Y 410 429 448 467 Step 3 time...

Страница 16: ...xecuting write 0 to stop the multi stept setting When you write 1 again the multi stept setting will be reexecuted from the first segment 1 5 5 Alarm function setting The setting contents of the alarm...

Страница 17: ...1 when 700 is set to 1 start the data backup At this point you need to wait for a few seconds before the power is cut off otherwise the parameter may be saved incorrectly After MTC saves the paramete...

Страница 18: ...back panel of the electric cabinet installed up and down and maintaining the air space above and below it Other direction installation is not conducive to their own heat dissipation for the improper i...

Страница 19: ...screw hole installation can be adopted as shown in figure 2 3 The MTC 04 NVT with fixed screws shell two 4 screw hole to fix module on the electric cabinet on the back of recommended M3 screws Figure...

Страница 20: ...ignal lines connected to MTC shall not be arranged side by side with other high power or high interference lines to reduce interference 2 2 2 Wiring instructions User terminal input wiring is shown in...

Страница 21: ...lated tubular terminal or wire soldering Ground wire 2 0mm AWG12 H2 0 14 pre insulated tubular terminal or wire soldering Communicatio n cable 1 0 2 0mm AWG12 AWG18 H1 5 14 pre insulated tubular termi...

Страница 22: ...erature controller is connected to the main PLC module of MEGMEET The user needs to use twisted pair to connect the RS485 communication terminal of MTC and the RS485 communication terminal of the main...

Страница 23: ...RTU or 25 BFM cells ASCII The read and write addresses of the standard Modbus correspond to those defined by BFM Table 3 1 Function code table Function code Description 03 Reading coil M element 03 R...

Страница 24: ...amming cable of the main module to connect the PC to the main module 3 Select the seventh bit of the dial switch of MTC communication protocol see figure 1 1 for the position to 1 and select the MCbus...

Страница 25: ...of network patrol stations as the maximum station number 4 set the additional delay time and the number of retries 5 select single layer for mode setting and set the refresh mode to 16 6 click ok to...

Страница 26: ...mponents the user can operate directly see appendix I list of MCbus dedicated M components For the D element the user can operate through the following five command words 1 read command 4 read the mea...

Страница 27: ...D element the user can operate through the five command words described above Read command 4 1 The main module defines the frame with the MCbus communication buffer D component definitions are shown i...

Страница 28: ...D7563 become 5 data can be read from MTC up to 30 D elements can be read at a time as shown in the following table Table 3 6 D component definitions 1 D elements Explanation D elements Explanation D7...

Страница 29: ...0 D7512 CH3 temperature setting D7528 0 D7513 CH4 temperature setting D7529 0 D7514 0 D7530 0 D7515 0 D7531 6 2 MTC thermostat return the frame with the MCbus communication buffer Take MTC 1 region a...

Страница 30: ...element for write command 7 D elements Explanation D elements Explanation D7500 1 D7516 1 D7501 7 D7517 1 D7502 CH1 heating side proportional band D7518 CH1 heating side derivative time D7503 CH2 hea...

Страница 31: ...g side derivative time D7535 CH3 heating side proportional band D7551 CH3 heating side derivative time D7536 CH4 heating side proportional band D7552 CH4 heating side derivative time D7537 0 D7553 0 D...

Страница 32: ...MTC thermostat return the frame with the MCbus communication buffer Take MTC 1 region as an example when D7532 and D7563 change to 8 the write is successful and up to 30 D elements can be written at a...

Страница 33: ...d are shown below This routine takes the communication between the main module and MTC 1 as an example and operates under the cooperation of the man machine interface For example D202 D102 M0 M1 M2 et...

Страница 34: ...e same time The MTC wizard Settings only support the MEGMEET series PLC 4 1 Configure the MTC wizard Settings Note only when the PLC system is in operation and the PC is in normal communication with t...

Страница 35: ...e 4 1 right click site 1 of the structure tree on the left of the interface 2 in the pop up shortcut menu select the modification information and enter the following interface Figure 4 2 modify module...

Страница 36: ...nel feature multi stept feature I O port feature alarm function and save setting see 1 5 buffer BFM for related parameter description as shown in figure 9 4 Users can directly select the relevant para...

Страница 37: ...ttings button The system initializes the thermostat and uploads all parameters 4 2 4 download and upload After the completion of parameter configuration the user can right click the site N under the c...

Страница 38: ...t click menu pops up and select stop monitoring Delete monitoring data Click the menu monitor Delete the monitor data Click the relevant site under the tree structure monitor and the real time monitor...

Страница 39: ...will bring errors to the MTC measurement results and the user can eliminate it by setting the channel characteristics error The values of A0 and A1 are fixed to the current mode the analog 0 point an...

Страница 40: ...tting the two points P0 0 50 and P1 12000 11950 see figure 5 3 Figure 5 3 example of feature change with pattern 3 example 5 2 control function 5 2 1 manual control When the control mode setting unit...

Страница 41: ...ill change from 1 to 0 At the same time the proportional band integral time and differential time of the channel PID control parameter unit will change to the control parameters after self tuning The...

Страница 42: ...d when the power is turn on Input scope 8 Wait with the low limit alarm If the measured value is smaller than the alarm setting value the measured value will be ignored when the power is turn on Input...

Страница 43: ...ween the lower input value and the upper input value For example if the upper and lower limits are 100 and 1000 respectively the range is 101 999 2 Input width Width from the lower limit to the upper...

Страница 44: ...4 Deviation low Alarm when the deviation value PV SV is smaller than the alarm setting value Figure 5 10 Schematic diagram of the deviation low The deviation is positive Figure 5 11 Schematic diagram...

Страница 45: ...or the second alarm 1 When turn on the basic alarm that is the alarm without the waiting function will be triggered as shown in figure 5 14 Figure 5 14 Schematic diagram of the wait without the deviat...

Страница 46: ...n the set value is changed waiting until the measured value next triggers the alarm as shown in figure 5 16 Figure 5 16 Schematic diagram of the wait again the alarm 5 3 2 Alarm dead zone In order to...

Страница 47: ...alarm delay is set to 5 it is shown in figure 5 20 Figure 4 20 Alarm delay time 5 4 Multi step function MTC can perform multi step function When the temperature of each section of the channel is set...

Страница 48: ...cooling control function the refrigeration control of each channel can be read by the PLC MTC 733 refrigeration output state register to use the PLC I O port output refrigeration control 5 6 Paramete...

Страница 49: ...perature Set as 9 in BFM 902 the third channel is connected with PT100 thermal resistance to output the temperature of Celsius Set as 27 in BFM 903 the fourth channel is connected to the Cu50 thermal...

Страница 50: ...ntrol function and select 3 9 27 and 37 in the input type selection as shown in the following figure Figure 6 3 Input type selection 5 Select the channel characteristics and input the following conten...

Страница 51: ...eted in the lower left corner of the interface 6 2 PID control and alarm Example MTC station number is 2 set the first channel to use mode 3 work in the heating mode the given value is 100 0 the contr...

Страница 52: ...ol function and set it according to the figure below Figure 6 7 setting control function 3 Select the alarm function and set it as shown in the figure below Figure 6 8 setting alarm function 4 Right c...

Страница 53: ...eft tree structure and select download from the right click menu 4 Click menu monitor to start monitoring 5 Click chart monitor and select 1 from the self tuning start stop of the corresponding channe...

Страница 54: ...1 1 The beginning section of repetition is 3 the end section of repetition is 6 and the number of repeats is 3 1 Refer to the 6 1 feature to change the first three steps for setting 2 Select the contr...

Страница 55: ...ormally please check the following items Check the status of 24V indicator Light 24Vdc power supply is normal Off The 24Vdc power supply may be faulty if the 24Vdc power supply is normal the MTC is fa...

Страница 56: ...1726 M1790 M1854 Control state channel 1 M1471 M1535 M1599 M1663 M1727 M1791 M1855 control completion status of channel 1 M1472 M1536 M1600 M1664 M1728 M1792 M1856 Alarm 1 status of channel 2 M1473 M1...

Страница 57: ...1875 Alarm 4 status of channel 4 M1492 M1556 M1620 M1684 M1748 M1812 M1876 Initialization complete flag of channel 4 M1493 M1557 M1621 M1685 M1749 M1813 M1877 Auto tuning state of channel 4 M1494 M155...

Страница 58: ...16 M1580 M1644 M1708 M1772 M1836 M1900 M1517 M1581 M1645 M1709 M1773 M1837 M1901 M1518 M1582 M1646 M1710 M1774 M1838 M1902 M1519 M1583 M1647 M1711 M1775 M1839 M1903 M1520 M1584 M1648 M1712 M1776 M1840...

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