krom schroeder MPT 700 Manual Download Page 47 | Manualshive

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MPT

700

47

5.2.2 Power supply board

Caution - danger of injury or death!

Please follow the installation instructions given in section 5.1.
The MPT 700 is an open module which must not be operated without a
housing fit for the purpose.

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Summary of Contents for MPT 700

Page 1: ...Impulse system MPT 700 Manual 6 2 2 2 Edition 1 03 GB ...

Page 2: ... width and separate air and gas valve control 23 3 7 Mode of Operation 7 heating with variable pulse width and spacing and separate air and gas valve control 25 3 8 Mode of Operation 8 heating cooling with variable pulse width and spacing and separate air and gas valve control 28 4 Adjustable parameters 10 87 31 4 1 Parameter 10 setting source 31 4 2 Parameter 11 mode of operation 32 4 3 Parameter...

Page 3: ...umpers on main board 48 5 2 4 Fuses on power supply board 48 5 2 5 Block diagram overview 49 5 2 6 Terminal plan CN1 50 5 3 Brief instructions 51 5 3 1 Modes of operation 51 5 3 2 Parameter 10 setting source 51 5 3 3 Parameters 0 99 52 5 4 Test and service instructions 53 5 4 1 Parameter 5 test mA control input phase 54 5 4 2 Parameter 6 test of binary control inputs 54 5 4 3 Parameter 7 test of s...

Page 4: ...trol heating cooling and malfunction signals no jumper settings required power supply unit designed for 95 240VAC input and low heat emission safety oriented logic for heating cooling and malfunction outputs heating no malfunction output active switching outputs positive 12 24VDC and common ground two mA inputs no external pulse relay required checking the measured values of the analog input chann...

Page 5: ...ting the number of outputs for group 1 to 8 burners parameter 15 and for group 2 to 0 burners parameter 16 and the setting indicator to group 1 parameter 14 To check the version proceed as follows see also section 2 Set the parameter number to 0 using the right section of the keypad Press the top button on the right for 5 sec the type and the program version number will then appear on the display ...

Page 6: ...puts Heating Cooling 1 Heating Cooling 2 and Out Error in the ESV 128 is different to the ESV 148 Therefore the connected relais may have another switching reaction The differences are shown in the following table Type Out H K 1 Out H K 2 Out Error MPT 608 switched switched switched MPT 700 not switched not switched not switched Normally for the same function other switching contacts must be used ...

Page 7: ...tes relating to the mutual recognition of conformity Since the 01 Januar 1997 all temporary regulations had been dropped so the new EG concurring standartisations are valid The MPT 700 burner cycle control unit described in this manual is supplied complete with a CE mark guaranteeing compliance with the electromagnetic compatibility directive compliance with the low voltage directive ...

Page 8: ...700 8 2 Operation 2 1 Controls 2 1 1 Front panel group indicator 4 digit parameter display setting source indicators malfunction indicator 2 digit parameter number display keypad switching output indicators ...

Page 9: ...During normal operation this indicator indicates the group to which the setting which is displayed applies 1 bar group 1 2 bars group 2 2 1 4 Setting source indicators These indicators show the setting source which is currently active MC MPT 700 no function mA control by analogue 0 4 20mA signal three point step controller manual control If a green LED flashes no valid setting is available at the ...

Page 10: ...ous the output malfunction Out Error is set 2 1 6 Switching output indicators These LEDs indicate which outputs are being addressed at any time As the indicators only indicate that the output drivers are being addressed it is not possible to use them for detecting a faulty output driver or a wire breakage 2 1 7 Keypad left buttons selection of setting source selection of parameters selection of se...

Page 11: ... sec This delay prevents uncontrolled changes in parameter selection Parameter No Meaning 0 all outputs are reset 1 MPT 700 no function 2 setting from controller continuous three point step 3 manual setting for group 1 4 manual setting for group 2 2 2 3 Parameter entry general In modes of operation 1 to 8 two parameter sets are available for pulse widths min on time min off time and ignition timin...

Page 12: ... change parameters if the current equipment code is 0 or the correct equipment code is entered see parameter 87 Select the parameter which you wish to change using the keypad The current value of the parameter will then appear on the four digit display You can increase or reduce the value using the right half of the keypad If you select another parameter the value which you have entered will be st...

Page 13: ... 4 1 11 mode of operation 1 4 2 12 13 equipment address 1 32 4 3 not relevant for operation 14 setting indicator 0 2 4 4 15 16 number of outputs 0 8 4 5 18 MPT mode 108 128 4 6 19 keyboard repetition rate 1 32 4 7 20 27 ZZP1 ZZP8 0 1 255 0 34 35 continuous pulse 0 50 100 4 12 0 no continuous pulse 36 37 control rate 1 180s 4 13 only for TPS unit 38 39 fixed setting 0 1 100 4 14 0 no fixed setting ...

Page 14: ...inuous pulse the minimum off time never falls below the set parameter value Setting source heating cooling limit and heating cooling dead zone adjustable see diagram in section 4 11 For burner and valve control a maximum of 8 outputs is available in 128 mode a maximum of 6 in 108 mode If required a relay for external switchover between heating and cooling can be controlled by the heating cooling 1...

Page 15: ...ZP8 0 1 255 0 30 31 heating cooling limit 10 90 0 32 33 heating cooling dead zone 0 50 4 11 34 35 continuous pulse 0 50 100 4 12 0 no continuous pulse 36 37 control rate 1 180s 4 13 only for TPS unit 38 39 fixed setting 0 1 100 4 14 0 no fixed setting 40 47 pulse widths 50ms 160s 4 15 parameter set 1 49 55 min off time 50ms 160s 4 17 parameter set 1 60 67 pulse widths 50ms 160s 4 15 parameter set ...

Page 16: ...ched at a setting corresponding to the value entered for parameter 28 and 29 XX in diagram Even before the unit changes from pulse operation to a continuous pulse the minimum off time never falls below the set parameter value Pulse diagram 1 setting 1 min on time max off time 2 setting 1 XX min on time off time is reduced 3 setting XX min on time min off time maximum pulse frequency 4 setting XX 9...

Page 17: ...1 32 4 7 20 27 ZZP1 ZZP8 0 1 255 0 28 29 setting control factor 10 90 4 9 34 35 continuous pulse 0 50 100 4 12 0 no continuous pulse 36 37 control rate 1 180s 4 13 only for TPS unit 38 39 fixed setting 0 1 100 4 14 0 no fixed setting 48 54 min on time 50ms 160s 4 15 parameter set 1 49 55 min off time 50ms 160s 4 17 parameter set 1 68 74 min on time 50ms 160s 4 15 parameter set 2 69 75 min off time...

Page 18: ...nd 29 XX in diagram Even before the unit changes from pulse operation to a continuous pulse the minimum off time never falls below the set parameter value Setting source heating cooling limit and heating cooling dead zone adjustable see diagram in section 4 11 For burner and valve control a maximum of 8 outputs are available in 128 mode a maximum of 6 in 108 mode If required a relay for external s...

Page 19: ... on time max off time 2 setting 1 XX min on time off time is reduced 3 setting XX min on time min off time maximum pulse frequency 4 setting XX 99 min off time on time is increased 5 setting 100 continuous pulse XX value in parameter 28 10 90 ...

Page 20: ...ing control factor 10 90 4 9 30 31 heating cooling limit 10 90 0 32 33 heating cooling dead zone 0 50 4 11 34 35 continuous pulse 0 50 100 4 12 0 no continuous pulse 36 37 control rate 1 180s 4 13 only for TPS control 38 39 fixed setting 0 1 100 4 14 optional 0 no fixed setting 48 54 min on time 50ms 160s 4 16 parameter set 1 49 55 min off time 50ms 160s 4 17 parameter set 1 68 74 min on time 50ms...

Page 21: ... from pulse operation to a continuous pulse the minimum off time never falls below the set parameter value Outputs 1 3 5 7 control the air valves Outputs 2 4 6 8 control the corresponding gas valves The ignition timing for outputs 1 3 5 7 must be set Outputs 2 4 6 8 are activated with the set delay following outputs 1 3 5 7 Any ignition timing entered for outputs 2 4 6 8 is not effective delay pul...

Page 22: ...ts 1 3 5 7 34 35 continuous pulse 0 50 100 4 12 0 no continuous pulse 36 37 control rate 1 180s 4 13 only for TPS unit 38 39 fixed setting 0 1 100 4 14 optional 0 no fixed setting 40 47 pulse widths 50ms 160s 4 15 parameter set 1 49 55 min off time 50ms 160s 4 17 parameter set 1 50 53 56 59 delay 10ms 20s 4 18 parameter set 1 60 67 pulse widths 50ms 160s 4 15 parameter set 2 69 75 min off time 50m...

Page 23: ...g cooling dead zone adjustable see diagram in section 4 11 Outputs 1 3 5 7 control the air valves Outputs 2 4 6 8 control the corresponding gas valves The ignition timing for outputs 1 3 5 7 must be set Outputs 2 4 6 8 are activated with the set delay following outputs 1 3 5 7 Any ignition timing entered for outputs 2 4 6 8 is not effective In cooling operation only outputs 1 3 5 7 air valves are ...

Page 24: ...10 90 0 32 33 heating cooling dead zone 0 50 4 11 34 35 continuous pulse 0 50 100 4 12 0 no continuous pulse 36 37 control rate 1 180s 4 13 only for TPS control 38 39 fixed setting 0 1 100 4 14 optional 0 no fixed setting 40 47 pulse widths 50ms 160s 4 15 parameter set 1 49 55 min off time 50ms 160s 4 17 parameter set 1 50 53 56 59 delay 10ms 20s 4 18 parameter set 1 60 67 pulse widths 50ms 160s 4...

Page 25: ...tting corresponding to the value entered for parameter 28 and 29 XX in diagram Even before the unit changes from pulse operation to a continuous pulse the minimum off time never falls below the set parameter value Outputs 1 3 5 7 control the air valves Outputs 2 4 6 8 control the corresponding gas valves The ignition timing for outputs 1 3 5 7 must be set Outputs 2 4 6 8 are activated with the set...

Page 26: ... on time off time is reduced ZZP air valve gas valve delay 3 setting XX min on time min off time maximum pulse frequency ZZP air valve gas valve delay 4 setting XX 99 min off time on time is increased ZZP delay air valve gas valve 5 setting 100 continuous pulse gas valve air valve XX value in parameter 28 10 90 ...

Page 27: ...setting control factor 10 90 4 9 34 35 continuous pulse 0 50 100 4 12 0 no continuous pulse 36 37 control rate 1 180s 4 13 only for TPS unit 38 39 fixed setting 0 1 100 4 14 optional 0 no fixed setting 48 54 min on time 50ms 160s 4 15 parameter set 1 49 55 min off time 50ms 160s 4 17 parameter set 1 50 53 56 59 delay 10ms 20s 4 18 parameter set 1 68 74 min on time 50ms 160s 4 15 parameter set 2 69...

Page 28: ...he minimum off time never falls below the set parameter value Setting source heating cooling limit and heating cooling dead zone adjustable see diagram in section 4 11 Outputs 1 3 5 7 control the air valves Outputs 2 4 6 8 control the corresponding gas valves The ignition timing for outputs 1 3 5 7 must be set Outputs 2 4 6 8 are activated with the set delay following outputs 1 3 5 7 Any ignition ...

Page 29: ... on time off time is reduced ZZP air valve gas valve delay 3 setting XX min on time min off time maximum pulse frequency ZZP air valve gas valve delay 4 setting XX 99 min off time on time is increased ZZP delay air valve gas valve 5 setting 100 continuous pulse gas valve air valve XX value in parameter 28 10 90 ...

Page 30: ... heating cooling limit 10 90 0 32 33 heating cooling dead zone 0 50 4 11 34 35 continuous pulse 0 50 100 4 12 0 no continuous pulse 36 37 control rate 1 180s 4 13 only for TPS unit 38 39 fixed setting 0 1 100 4 14 optional 0 no fixed setting 48 54 min on time 50ms 160s 4 15 parameter set 1 49 55 min off time 50ms 160s 4 17 parameter set 1 50 53 56 59 delay 10ms 20s 4 18 parameter set 1 68 74 min o...

Page 31: ... the active setting source indicator off 1 4 this parameter defines the source of the setting in NORMAL OPERATION and in the event of a FAULT Parameter value VWD off VWD 1 VWD 2 VWD 3 4 0 off off off Off 1 off 0 20 0 20 Manual 2 off 4 20 off 4 20 off Manual 3 off TPS TPS Manual 4 off manual 4 20 manual Manual 5 off off off Manual VWD number of active setting source indicator TPS 3 point step contr...

Page 32: ...indicator is switched between group 1 and 2 and vice versa at intervals of 3 sec If 1 or 2 is selected only the setting of the corresponding group is indicated This parameter is only relevant in operation with a controller In the case of manual input the setting of the group currently selected is always indicated 4 5 Parameters 15 16 number of outputs Range of values 0 8 Parameter 15 group 1 outpu...

Page 33: ...7 Parameter 19 keyboard repetition rate Range of values 1 32 Parameter 19 defines the repetition rate of the keyboard from 1 to 32 changes per second when editing individual parameters 4 8 Parameters 20 27 ignition timing channels 1 8 Range of values 0 1 255 Each cycle includes 255 possible ignition timings The ignition timing is the point in the cycle when the appropriate output is activated The ...

Page 34: ...he larger the circumference the lower the frequency If the ignition timings are evenly distributed the following method can be used for calculations output 1 1 output 2 255 number of outputs 1 output 3 255 number of outputs 2 output 4 255 number of outputs 3 Example number of outputs 4 ignition timing 1 1 ignition timing 2 64 ignition timing 3 128 ignition timing 4 191 ignition timing 5 8 0 If nec...

Page 35: ...efines the setting 10 90 at which maximum frequency min on time min off time is reached By adjusting this value it is possible to make the control setting burner output characteristic a linear function 4 10 Parameter 30 31 heating cooling limit This parameter is effective in modes of operation 2 4 6 8 Range of values 10 90 in steps of 1 This parameter defines the setting value in per cent at which...

Page 36: ...nt of fluctuations in the setting around the heating cooling limit the unit will therefore switch repeatedly between heating and cooling A small dead zone should therefore be set CAUTION heating cooling limit and dead zone for 0 4 20mA controllers 1 Limit The limit is given by the useful range of the controller Example limit 50 0 20mA controller 50 of 20mA limit at 10mA 4 20mA controller 50 of 16m...

Page 37: ...100 in 1 steps Value 0 no continuous pulse i e at 100 control setting the unit operates at maximum frequency without switching to continuous pulse Value 50 100 from the value entered all outputs are set to continuous pulse 4 13 Parameter 36 37 control rate three point step controller Range of values 1 180s in 1s steps The control rate indicates the time taken for changing the signal from 0 to 100 ...

Page 38: ...rameter 38 39 INPUT 1 3 inactive controller setting INPUT 1 active fixed setting for group 1 INPUT 3 active fixed setting for group 2 CAUTION If the parameter is set to 0 no fixed setting is valid even if INPUTS 1 3 are active 4 15 Parameters 40 47 60 67 pulse widths These parameters are effective in modes of operation 1 2 5 6 Range of values 50ms 160s The pulse width can be set separately for eac...

Page 39: ...0s for steps see section 4 15 The minimum off time must always be set The minimum off time always refers to 100 control setting The maximum pulse frequency available can be calculated from the minimum off time and the maximum pulse width set or the minimum on time Example max pulse width 400 ms min on time min off time 100 ms min cycle time 500 ms max frequency 2 Hz This applies to 100 control set...

Page 40: ...quipment code is set to 0 the standard setting all parameters can be changed at any time without entering a code number If the equipment code is set to any other value between 1 and 255 parameter 87 must be selected and the valid equipment code entered before any parameter can be changed After the correct code number has been entered parameters can be changed until the parameter number display has...

Page 41: ...tages control inputs and outputs and climatic conditions 5 5 is essential 5 1 2 Installation notes and safety precautions The user is responsible for ensuring compliance with the EMC legislation in the specific application The burner cycle control unit contains components which may be damaged by electrostatic charges Before handling an open unit or working on or near equipment connections personne...

Page 42: ...nputs should be connected to each other inside the connector The various functional units of the MPT 700 burner pulse control unit are isolated from each other and have no common ground connection see section 5 2 block diagram and terminal plan In accordance with the standards for low voltage systems you can therefore set the reference voltages as required for 1mm creepage and air gaps between fun...

Page 43: ...m a power supply network for control equipment class 3 or better Power supply connection 95 240VAC 50 60Hz 250mA Contacts N 28zbd L 30zbd Cross section 0 75mm2 Cable type non shielded For switching outputs section 5 1 8 a DC power supply voltage 12 24V must be connected to contacts 2b 4b Vcc and 10b 12b GND Depending on the requirements for the switching outputs either a non voltage controlled or ...

Page 44: ...R 18b Cross section 0 25mm2 Cable type shielded In operation with two groups the three point step inputs must be multiplexed using an external pulse relay The group currently controlled is determined by binary input 4 Please read sections 5 2 1 and 5 2 3 and check whether jumper 501 has been correctly set for your configuration 5 1 7 mA control inputs Connections to the mA control inputs contacts ...

Page 45: ...pply section 5 1 5 Depending on the model the return circuit is identical with Vcc model M or GND model P The total load current on all switching outputs must not exceed 1 1A The maximum admissible load current on each switching output is 100mA Switch outputs are not fused and are not protected against short circuits Overloading of one or more outputs may damage or destroy the unit Switching outpu...

Page 46: ...MPT 700 46 5 2 Connection Plans 5 2 1 Main board J01 J501 J500 J100 J101 ...

Page 47: ... 2 Power supply board Caution danger of injury or death Please follow the installation instructions given in section 5 1 The MPT 700 is an open module which must not be operated without a housing fit for the purpose ...

Page 48: ...he jumper may be opened by the customer if only one group operation is required J501 set at the factory bridge 2 3 must be set by the customer to bridge 1 and 2 if mA input 1 or the three point step input is to be switched between groups 1 and 2 by an external pulse relay 5 2 4 Fuses on power supply board F1 primary fuse 1 0 A T F20 secondary fuse 0 5 A T ...

Page 49: ...MPT 700 49 5 2 5 Block diagram overview WARNING Before commissioning the MPT 700 for the first time check whether the power supply is connected to the lower three rows of contacts ...

Page 50: ...12b 14 16b or 10 12b 18b relay contact between 2 4b and the input concerned Unused inputs must be connected to the appropriate GND contact Contacts 32z b d must be connected to the PE ground conductor VDE 0100 Please follow the notes in section 5 1 5 2 6 Terminal plan CN1 Type F Z B d 2 OUT 1 12 24 VDC OUT 2 4 OUT 3 12 24 VDC OUT 4 6 OUT 5 COM OUT OUT 6 8 OUT 7 COM OUT OUT 8 10 OUT H C 1 GND OUT H...

Page 51: ... gas valve control 3 6 7 Heating with variable pulse width and spacing and separate air and gas valve control 3 7 8 Heating cooling with variable pulse width and spacing and separate air and gas valve control 3 8 5 3 2 Parameter 10 setting source Together with the active setting source indicators off 1 4 this parameter defines the source of the setting in NORMAL OPERATION and in the event of a FAU...

Page 52: ... 50 100 4 12 0 no continuous pulse 36 37 control rate 1 180s 4 13 only for TPS unit 38 39 fixed setting 0 1 100 4 14 binary input 1 40 47 pulse widths 50ms 160s4 15 parameter set 1 48 54 min on time 50ms 160s4 16 parameter set 1 49 55 min off time 50ms 160s4 17 parameter set 1 50 53 56 59 delay 10ms 20s 4 18 parameter set 1 60 67 pulse widths 50ms 160s4 15 parameter set 2 68 74 min on time 50ms 16...

Page 53: ...ng the unit for the first time are incorrect terminal allocation and inadmissible parameter settings If it is not possible to remedy a fault by following the instructions given below please send the unit to one of our authorized dealers giving a precise description of the problem and stating the error code see section 5 4 5 It must be noted that service parameters 5 to 9 are hexadecimal coded If s...

Page 54: ... 700 is currently pulsing the value increases step by step from 00 to FF h The burners are ignited when the ignition timings parameter 20 27 are equal to the current phase 5 4 2 Parameter 6 test of binary control inputs This parameter is indicated as a hexadecimal number If several inputs are active at the same time their hexadecimal codes are added An x indicates that the digit concerned is not r...

Page 55: ... already given by the switching output indicators see section 2 1 6 5 4 4 Parameter 8 error parameter number In the event of a parameter error see section 5 4 5 the two left digits of this parameter decimal numbers indicate the number of the first incorrect parameter The two right digits of this parameter are of no importance to the customer ...

Page 56: ...ot burner 7 failure STOP A 10XX No function 01 flashes green A 20XX 2 mA or 20 7 mA in 4 20 mA operation 20 7mA in 0 20mA operation mA 02 flashes green mal funktion LED steady light A 40XX Reserved 80XX Reserved Error type A These errors are automatically reset if the cause pilot burner failure line break or communication failure is remedied by the customer Error type B These errors are automatica...

Page 57: ...s The event counters indicate the number of cold starts and various internal errors If a counter overflows value 2048 a malfunction is signaled see section 5 4 5 The event counters may be reset to zero by pressing the bottom right button The counters should only be reset following an overflow 5 4 7 Parameter 99 display test It is possible to test each segment of the display by pressing the two but...

Page 58: ...tential free 12 24VDC load approx 2700 Ohm 3 4x binary inputs common ground potential free 12 24VDC load approx 2700 Ohm Outputs 12 24VDC 10 max 100mA per channel positive logic switched 12 24VDC 10 open emitter outputs Electr connection 48 pin contactor Type F DIN 41612 Design open unit European standard size 100 x 160mm with 50 8 x 128 5 front panel 3 HE 10 TE Working temperatures 0 60 C Storage...

Page 59: ... Kromschröder AG Postfach 2809 D 49018 Osnabrück Telefon 0541 12 14 0 Fax 0541 12 14 3 70 Administration Distribution Fax 0541 12 14 4 93 Development info kromschroeder com www kromschroeder com 03250113 ...

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