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Megmeet MTC-04-NT, Руководство пользователя

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3

Prompt

Before starting to use, please read the instructions and precautions carefully to reduce the
occurrence of accidents. The personnel responsible for the installation and operation of the
product must receive strict training, comply with the safety standards 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 to the correct operation
method.

Model Description

TT:Indicates

transistor

temperature

control output

Input method
N: No CT (Current test) Input

The number of temperature channels
collected by the module

Thermostat

Megmeet

T

M TC 04

-

-

N

Содержание MTC-04-NT

Страница 1: ...1 MTC 04 NT 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: ...he safety standards 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 equipme...

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

Страница 5: ...N Flash quickly 10Hz 15Hz Normal Flash slowly 0 5Hz 1Hz There is an error See BFM 735 for the error status Mark Definition 24V Power supply 24V positive 24V Power supply 24V negative Ground 485 RS485...

Страница 6: ...Cu100 JPt100 Cu50 Ni120 Output method Open gate transistor output Power supply voltage circuit 5V 24V The maximum power supply voltage circuit 30V loop current 0 3A 24Vdc Leakage current when open 0...

Страница 7: ...cell is read it will get a value of 0 Save mark as Y represents the use of parameter save function can be written to flash mark as N means can not be written to flash The content of the BFM unit is as...

Страница 8: ...ts are completed 4 733 Output status of refrigeration end Bit0 corresponds to the output state of the refrigeration end of channel 1 Bit1 corresponds to the output state of the refrigeration end of ch...

Страница 9: ...ialization unfinished b5 Auto tuning state Auto tuning state Status of no auto tuning b6 Control state Control state uncontrolled state b7 Control completion status The temperature reaches setting and...

Страница 10: ...100 If a value is set beyond this range the MTC will not accept it and will keep the original valid setting 1 5 3 Control function setting MTC 04 NT buffer BFM set the control function of the content...

Страница 11: ...tput of set value Default value 0 Range 0 0 100 0 R W Y 1024 1025 1026 1027 Adjust sensitivity Setting ON OFF control method is effective Default value 100 Unit 0 1 Range 0 999 R W Y BFM Content Remar...

Страница 12: ...annel 1 902 corresponds to channel 2 and so on When the channel is set to 0 the channel is closed and the corresponding channel does not perform A D conversion The meaning of the pattern is shown in t...

Страница 13: ...9 Fahrenheit 32 2 909 912 temperature setting Set the target value of each channel temperature control The unit is determined according to the input type 901 904 When the mode is Celsius the unit is...

Страница 14: ...e in hundred milliseconds 12 1205 1208 manual automatic no disturbance switch Settings When the manual automatic non disturbance switch setting is effective the module will switch from manual mode to...

Страница 15: ...he unit is 0 1 2 408 415 427 BFM434 446 453 465 472 execution time of each channel segment When running multi step Settings the first stage execution time of each channel cannot be set to 0 3 416 435...

Страница 16: ...ode In order to avoid repeated occurrence of alarm state and non alarm state when the measured value fluctuates near the alarm setting value an alarm dead zone can be set Setting range 0 999 Default v...

Страница 17: ...in the program to confirm the thermostat before transmitting receiving data 1 6 Attachment List The terminal blocks supplied with the MTC 04 NT terminals are shipped with the terminal The details are...

Страница 18: ...late 2 Pull out the DIN slot clasp at the bottom of the module 3 Attach the module to DIN 4 Press the buckle back to the original position and lock the module 5 Finally the two ends of the module are...

Страница 19: ...sure that there is no foreign body on the ventilation surface including dust proof paper and other packaging items otherwise it may lead to poor heat dissipation during operation causing fire failure...

Страница 20: ...tion cable the shield end of thermal resistance connection cable the shield end of 485 communication wire to the temperature controller ground end PG The thermostat grounding PG should be good groundi...

Страница 21: ...er losses caused by misuse 2 Do not connect and disassemble the cables live to avoid electric shock and equipment damage 3 When inserting the power supply input terminal and other signal lines into MT...

Страница 22: ...completed the user shall also set the parameters of MTC Different system configurations require different communication protocols MTC supports two communication protocols Modbus and MCbus The former...

Страница 23: ...ess of Modicon Mobus data is equal to the BFM address plus 1 For example when the current value of the first channel is read the BFM address is 100 and the logical address of Modicon data is 4 101 3 2...

Страница 24: ...tion port of the main module as the MCbus protocol through X_Builder The specific steps are as follows 1 Run X_Builder on your PC to create a new project See X_Builder programming software user manual...

Страница 25: ...in module dial switch selects the MCbus protocol otherwise the main module and MTC cannot communicate through MCbus 3 2 3 Use the MTC wizard Settings The MTC wizard Settings are subfunction modules of...

Страница 26: ...ion table D elements Definition D elements Definition D7500 D7531 MCbus communication buffer for main module D7628 D7659 MCbus communication buffer for MTC 4 D7532 D7563 MCbus communication buffer for...

Страница 27: ...CH1 heat control output value D7557 Cool control output status D7542 CH2 heat control output value D7558 0 D7543 CH3 heat control output value D7559 Error status word D7544 CH4 heat control output va...

Страница 28: ...and 3 7 for the definition of D components and write command 6 Table 3 7 Settings represent communication special meaning D element Table 3 7 D component definitions for write command 6 D elements Exp...

Страница 29: ...cycle setting D7535 CH3 channel type D7551 CH3 control output cycle setting D7536 CH4 channel type D7552 CH4 control output cycle setting D7537 0 D7553 0 D7538 0 D7554 0 D7539 0 D7555 0 D7540 0 D7556...

Страница 30: ...D7532 and D7563 change to 7 the write is successful and up to 30 D elements can be written at a time The return frame definition is shown in the following table Table 3 11 MTC thermostat communicate t...

Страница 31: ...522 0 D7507 0 D7523 0 D7508 0 D7524 0 D7509 0 D7525 0 D7510 CH1 cool side integral time D7526 0 D7511 CH2 cool side integral time D7527 0 D7512 CH3 cool side integral time D7528 0 D7513 CH4 cool side...

Страница 32: ...D7544 CH4 cool side integral time D7560 0 D7545 1 D7561 0 D7546 1 D7562 0 D7547 1 D7563 8 3 2 6 Command word routine The routines written by the user in accordance with the method described in 3 2 5 p...

Страница 33: ...of MEGMEET programming software X_Builder which is started by X_Builder Its main function is to configure MTC parameters after MTC network with MCbus protocol monitor MTC status and data at the same t...

Страница 34: ...n the system At this point the user only needs to modify the module type The specific operation steps are as follows 1 in the MTC wizard setup interface see figure 4 1 right click site 1 of the struct...

Страница 35: ...the MTC wizard are divided into five categories control function channel feature Multi step feature I O port feature alarm function and save setting see 1 5 buffer BFM for related parameter descripti...

Страница 36: ...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 37: ...ht 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 monito...

Страница 38: ...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 39: ...ing 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 BF...

Страница 40: ...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 41: ...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 42: ...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 43: ...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 44: ...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 45: ...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 46: ...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 t...

Страница 47: ...ol 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 Parameter savi...

Страница 48: ...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 49: ...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 50: ...pleted 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 heat mode the given value is 100 0 the contro...

Страница 51: ...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 52: ...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 53: ...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 cont...

Страница 54: ...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 55: ...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 56: ...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 57: ...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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