Miura MP1-200 Start Up & Operation Manual
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Miura MP1-200 Start Up & Operation Manual

Multiple installation controller
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START-UP OPERATION
Multiple Installation Controller
Pressure Controller
MI Terminal
MANUAL
MP1-200
MT1-200
T519-998-9150

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Summary of Contents for Miura MP1-200

  • Page 1 START-UP OPERATION MANUAL Multiple Installation Controller Pressure Controller MP1-200 MI Terminal MT1-200 T519-998-9150...
  • Page 2 Date of preparation: May 2012...
  • Page 3 Introduction Have the documents below available as well as this Start-up Operation Manual for the start-up operation of the Pressure Controller MP1-200 (hereinafter called MP1-200)/MI Terminal MT1-200 (hereinafter called MT1-200). Document name Manual No. Usage Required for installing the power supply wire and...

  • Page 4: Table Of Contents

    Setting Boiler for MI Control ....................11 2.1.1. Setting boiler steam pressure .................. 11 Setting MP1-200 ....................12 3.1. MP1-200 Basic Setting and Connection ................12 3.1.1. Setting switch (SW1) ....................13 3.1.2. Setting MI control (SW2 to SW4, VR1, and VR4) ............ 14 3.2.
  • Page 5 7.10. When the main power of MT1-200 is off for a long period, “F02” alarm is displayed... 38 7.11. Rotation may not occur. Or priority order is duplicated............38 Supplemental Explanation ................39 8.1. MP1-200 Input/Output Signal Operation Overview ............. 39 8.2. MI Control Operation Overview ................... 41 8.3.

  • Page 6: Before The Start-Up Operation

    See the section “5. Installation” in MP1-200/MT1-200 Installation Manual for details. b) Installation of steam pressure sensor Ensure that the MP1-200 steam pressure sensor is installed correctly to the steam header. Also ensure that the MT1-200 steam pressure sensor (optional) is installed correctly if it is used.

  • Page 7: Model Configuration

    2. Related Equipment Setting/Start-up 1.2. Model Configuration MP1-200 and MT1-200 come in the following models depending on the power supply voltage, available language, cover color, and others. For MT1-200, the model lineup has been renewed with the adoption of a new internal board MT12-CPU and a wide-range power supply.

  • Page 8: Circuit Board Layout

    2. Related Equipment Setting/Start-up 1.3. Circuit Board Layout Program version indication MP1-200-CPU MP1-200 MP11-**** MP1-200 DISP Transformer Figure 1-1 MP1-200 Internal Layout...
  • Page 9 2. Related Equipment Setting/Start-up Figure 1-2 MT1-200 Internal Layout (MT1-200-MAIN circuit board) Figure 1-3 MT1-200 Internal Layout (MT12-CPU circuit board)

  • Page 10: Supported Function List

    2. Related Equipment Setting/Start-up 1.4. Supported Function List Functions and specifications of MP1-200 and MT1-200 have been changed along with the program version and circuit board change. The changes are listed below. See the descriptions of functions for details. The method of checking the program version depends on the model and circuit board type;...
  • Page 11 2. Related Equipment Setting/Start-up Table 1-6 List of Function Changes along with MT1-200A Program Change Program version MT11-**** MT12-**** 1015 1000 or later Circuit board type MT1-200-MAIN MT12-CPU Operation method for optional steam On-display On-display pressure sensor availability setting Optional steam pressure sensor 20-k Supported Supported and 30-k support...

  • Page 12: Display Control Panel

    It turns ON if the CPU is not between external control input correctly operated due to voltage terminals 7 and 8 (all stop) or fluctuation, circuit failure, etc. between 6 and 7 (all combustion) is shorted. Figure 1-4 MP1-200 Control Panel Figure 1-5 MT1-200 Control Panel...

  • Page 13: List Of Display Items

    2. Related Equipment Setting/Start-up 1.6. List of Display Items The display items are changed by “SELECT”. Setting can be made by pressing “UP” and “DOWN” simultaneously. Normal display Basic data display It is shown by simultaneous pressing of “SELECT” and “S.BLOW”. It is shown by simultaneous pressing of “SELECT”...

  • Page 14: Related Equipment Setting/Start-Up

    Setting boiler steam pressure The boiler steam pressure setting (high) and boiler steam pressure setting (low) must be set to satisfy the following conditions. This allows MP1-200 to provide smooth MI control. ・Boiler steam pressure setting (high) - boiler differential setting (high) ≥...

  • Page 15: Setting Mp1-200

    3. Setting MP1-200 3. Setting MP1-200 3.1. MP1-200 Basic Setting and Connection This setting is essential for using MP1-200. Be sure to perform the settings in Sections 3.1.1 and 3.1.2 before use. Set pressure Set the delay time of Set the quantity of...

  • Page 16: Setting Switch (Sw1)

    2.94 (30) SW1-7 Not used OFF fixed Set the steam pressure unit to be displayed on MP1-200. Set it with the boiler display unit. Fix SW1-8 to OFF because MP1-200A for North America supports only PSI unit. (Note 1) Steam pressure...

  • Page 17: Setting Mi Control (Sw2 To Sw4, Vr1, And Vr4)

    3. Setting MP1-200 3.1.2. Setting MI control (SW2 to SW4, VR1, and VR4) Set SW2 to SW4, VR1, and VR4 of MP1-200 according to Table 3-2. Figure 3-3 SW2 to SW4 Table 3-2 MP1-200 Switch (SW2 to SW4, VR1, and VR4) Settings...

  • Page 18: Setting Others For Mp1-200

    3. Setting MP1-200 3.2. Setting Others for MP1-200 Set items in Table 3-3 as needed. Table 3-3 MP1-200 Other Settings Item Setting item Setting range Initial value Unit Steam pressure unit for Pressure alarm H SW1-8 Set it when the header steam pressure upper limit is monitored.

  • Page 19: Setting Mt1-200

    4. Setting MT1-200 4. Setting MT1-200 4.1. MT1-200 Setting Switch Layout and Operation Method The MT1-200 setting method and switch layout are as follows. - Setting method 1) For settable items, pressing the “UP” and “DOWN” switches simultaneously starts blinking of the area that allows setting.

  • Page 20: Setting Mt1-200 Switch

    4. Setting MT1-200 4.2. Setting MT1-200 Switch Items (indicated with ) described in Table 4-1 must be set to useMT1-200. Set the switches on the circuit board of MT1-200. Table 4-1 MT1-200 Basic Settings Item Setting item Setting range Initial value Unit Boiler No.

  • Page 21: Setting Mt1-200 Data

    4. Setting MT1-200 4.3. Setting MT1-200 Data Referring to Figure 1-6 MT1-200 List of Display Items, set items by operating the switches on the control panel of MT1-200. Essential items are indicated with . For items with settings are required for installing the steam pressure sensor (optional). Make sure to set all of the necessary items.
  • Page 22 4. Setting MT1-200 Table 4-3 MT1-200 Data Settings (DIPSW Display) Setting item Setting range Initial value Unit With/without steam pressure 0 to 1 sensor Set to “1” when the optional steam pressure sensor is to be used. The setting method depends on the program version (See Table 1-4.). Set it referring to the below. Setting value Steam pressure sensor Not used...
  • Page 23 Set the pressure lower than (the value obtained by subtracting the control range from the control pressure) specified at MP1-200. The setting unit is the pressure set with the steam pressure display unit.
  • Page 24 4. Setting MT1-200 Table 4-5 MT1-200 Data Settings (Basic Data Display) Setting item Setting range Initial value Unit Timer setting (Sunday to Saturday) 00:00 to 24:00 24:00 hour minute Set the boiler ON time and OFF time for each day from Sunday to Saturday.
  • Page 25 4. Setting MT1-200 Setting item Setting range Initial value Unit Rotation flag 0 to 9, A to F Set the timing for rotation. The correspondences between the setting numbers and the functions are as shown in the table below. Setting Functions Automatic rotation is not performed.

  • Page 26: Operating Clear For Mt12-Cpu Circuit Board (Sw2)

    4. Setting MT1-200 4.4. Operating Clear for MT12-CPU Circuit Board (SW2) SW2 of MT12-CPU circuit board is the switch to initialize the setting data and others. Operate it as needed under the state where MT1-200 power is ON. Table 4-6 MT12-CPU SW2 Operation Setting Functions Remarks...

  • Page 27: Mt1-200 Setting Example

    4. Setting MT1-200 4.5. MT1-200 Setting Example For MT1-200 setting, rotation and timer related specific setting examples are described. Set it referring to Table 4-5. 4.5.1. Rotation setting example a) Rotation at intervals of 1 day or more and specified time Set the rotation time and rotation interval days for the rotation flag to “1”...

  • Page 28: Timer Setting Example

    4. Setting MT1-200 4.5.2. Timer setting example The specific examples of MT1-200 timer setting are shown below. a) Start/stop at specified time every day Example: The boiler is started at 08:00 and stopped at 17:00 on week days, and not used on Saturday and Sunday.
  • Page 29 4. Setting MT1-200 c) To turn on the boiler by the responsible person, and stop it at the specified time every day. Example: To turn on the boiler before 13:00, and stop it at 17:00. 1) Press “TIMER” before 13:00 to stop the timer operation and start the boiler. 2) Press “TIMER”...

  • Page 30: Checking Operation

    When the communication is not normal (“NET” LED does not blink), “MI” LED also turns off. When “MI” LED does not light even as the communication is normal, check that the set boiler No. may be larger than the quantity of boilers set with MP1-200. c) Check the MP1-200 communication status output. (SeeTable 8-3.) Check that there is no communication error status (the contact opens).

  • Page 31: Checking Mp1-200

    5.3. Checking MP1-200 a) Checking steam pressure sensor operation Check that the steam pressure indicated on MP1-200 corresponds to the steam pressure gauge of the steam header. b) Checking operation of input signal for external control (only when it is used) When the emergency stop input, alarm confirmation input, and all stop input are used, check that they operate correctly according to Table 8-1.
  • Page 32 5. Checking Operation 2) Check that the boilers start combustion transition according to the steam pressure setting made in Table 4-4 when the optional steam pressure sensor is used.

  • Page 33: Handling Mt1-200 Alarm (Mt12-Cpu Circuit Board)

    OFF and then indicated on the display, MP1-200 communication error ON, is nothing replace the CPU circuit evaluated indicated on the board. Occurred Steam supply unstable...
  • Page 34 Operation MI control disabled (manual (such as the case control operation with boiler steam where the setting pressure setting) has been MP1-200 communication error rewritten to a evaluated value that is Occurred Steam supply unstable outside the problem specification...
  • Page 35 Normal operation disabled circuit board. status with electronic parts failure Operation MI control disabled (manual control operation with boiler steam pressure setting) MP1-200 communication error evaluated Occurred Steam supply unstable problem Display content occurrence Alarm reset method (alarm handling) Remarks Turn OFF and then ON the MT1-200 power.
  • Page 36 6. Handling MT1-200 Alarm (MT12-CPU Circuit Board) Table 6-7 F02 Handling Details Alarm code Alarm item Evaluation Evaluation Telephone/field Instruction condition (cause) check (Specified cause) [Event information] Time data has All Clear Nothing in particular Reconfigure the time of the Time data not set been not set.

  • Page 37: Troubleshooting

    Check the communication wiring according to Table 7-2. 4) Check that the “LUMP OPERATION” LED of MP1-200 is off. If it is lighting, it is assumed that lump operation input (See Table 8-1.) is ON and boilers have been controlled manually.

  • Page 38: B.blow" And "S.blow" Leds Light Regardless Of 0 Of Each Notification Time Setting

    7. Troubleshooting 7.6. “B.BLOW” and “S.BLOW” LEDs light regardless of 0 of each notification time setting. Check that MT1-200 DIP SW displays 1.4 and 1.5 are set to “0”. 7.7. Input signal error indication is displayed. This is displayed for logically abnormal input status excluding the period of post-fire.

  • Page 39: Communication Error Occurs

    Check the following according to “6.6. MI-NET Communication Wiring, MP1-200/MT1-200 Installation Manual.” 1) Check the boiler with which MP1-200 has evaluation of the communication error according to the communication status confirmation method in Figure 7-1. If the communication status indicator is “0000”, the communication is normal.
  • Page 40 2AAA 3BBB 4CCC 5DDD 6EEE 7FFFF * “E” is show faulty transmits between MP1-200 and MT1-200 (the number of boiler). Figure 7-1 MP1-200 Communication Status Display Table 7-2 Communication Wiring Check Items Check items Check field 1 Check the communication wiring for disconnection or contact failure.

  • Page 41: When The Main Power Of Mt1-200 Is Off For A Long Period, The Priority Order Becomes "1

    7.11. Rotation may not occur. Or priority order is duplicated. 1) Check that the MP1-200 boiler quantity setting and MT1-200 boiler No. setting are correct. 2) Check that the rotation flag is set correctly with MT1-200 of the boiler No. 1. (Refer to page 22.)

  • Page 42: Supplemental Explanation

    8.1. MP1-200 Input/Output Signal Operation Overview a) External control input signal MP1-200 external control input signal operation conditions are described in Table 8-1. In addition, the priorities of these functions are shown in Table 8-2. When emergency stop, all combustion, and all stop input are inputted simultaneously, emergency stop function has the top priority.
  • Page 43 8. Supplemental Explanation b) Output signal for monitor MP1-200 output signal for monitor operation conditions are described in Table 8-3. Table 8-3 Output for Monitor List Terminal Signal name Signal description number When the pressure sensor signal is outside the range...

  • Page 44: Mi Control Operation Overview

    • Boilers of which the power of MT1-200 is OFF or communication is not performed • The power of MP1-200 is OFF • Boilers of which boiler No. of MT1-200 is larger than the boiler quantity set at MP1-200 • Boilers of which boiler No. of MT1-200 is duplicated with that of other MT1-200 •...
  • Page 45 8. Supplemental Explanation 2) The boilers are started in descending order of priority (from the first priority). Figure 8-1 Boiler Start Operation d) Operation at boiler stop 1) The unit decreases the quantity of boilers to fire in accordance with the increase in header steam pressure resulting from decrease in load.
  • Page 46 8. Supplemental Explanation e) Operating pressure calculation example The operating pressure of each boiler is calculated with the following formula, and the operation as shown in Figure 8-3 is performed. Divided range k Differential k Divided range : Pressure range where the quantity of boilers to fire changes Differential : Difference between the control pressure and the...

  • Page 47: Priority

    8. Supplemental Explanation 8.3. Priority The boiler with shorter cumulative combustion time is given a higher priority. Although setting can be made with each MT1-200, make setting so as not to make priorities duplicate. In the following cases, the actual order of firing boilers is different from the priorities. a) The same priority is given to multiple boilers.

  • Page 48: Backup Control

    8. Supplemental Explanation 8.4. Backup control Backup control is executed in the following cases. a) Backup control when a boiler is out of control If any of the boilers is out of control due to a failure or a combustion switch OFF, the controller distributes load to the controllable boilers and gives a priority to the boilers and starts combustion.

  • Page 49: Low Load Operation Control

    8. Supplemental Explanation can always keep pressure above a certain level. 8.7. Low Load Operation Control If the steam load is low, boilers may repeat start and stop or repeat low fire and high fire. In particular, if the steam load is lower than that for one low fire boiler, the first priority boiler frequently repeats start and stop operations.
  • Page 50 As the control pressure is near the upper limit, a larger pressure range per one low fire unit is specified. c) Control of pressure fluctuation Within the control pressure range set at MP1-200, even if the conditions of a) and b) above are met, the combustion volume is not increased without steam pressure change.

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