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22 

HE 5750 Operating Instructions 

#371627 Version 1.1 

 

7.3  Galvanic isolation 

 

 
 
 
 
 
 
 
 
 

 

Galvanic isolation 

 

 

„Digital Output“ and “Digital 
Input“ need a separate supply. 

Summary of Contents for HE 5750

Page 1: ...371627 Solenoid valve controller HE 5750 Operating instructions Translation of Original German version...

Page 2: ...Copyrights Copyright 2022 HESCH Industrie Elektronik GmbH All rights reserved The content including pictures and the design of these operating instructions are subject to copyright protection and othe...

Page 3: ...Author 2021 06 21 1 0 2 16 Operating instructions written based on HE 5750 with option central dust sensor 371617 version from 2020 01 22 software version 2 15 Chapter HE 5750 switch unit added 2021...

Page 4: ...aster controller cabinet 18 5 6 2 Damper controller cabinet 18 5 6 3 Valve controller Slave Box 18 5 6 4 HE 1149 pressure transmitter manifold pressure sensor 19 5 6 5 Possible differential pressure s...

Page 5: ...description parameter groups 1 6 43 9 5 PARAMETER TABLE PARAMETER GROUPS 7 12 48 9 5 1 Parameter description parameter groups 7 12 49 9 6 PARAMETER TABLE PARAMETER GROUPS 13 19 52 9 6 1 Parameter des...

Page 6: ...STATUS DIAGNOSIS HE 5724 79 13 4 TERMINALS AND JUMPERS 80 13 5 CAN WIRING AND BUS TERMINATION 81 14 PRE PRESSURE CONTROL 82 15 OPTIONS 83 15 1 CENTRAL DUST MONITORING 83 15 1 1 Reset dust valves 85 15...

Page 7: ...be operated by trained personnel Only trained and professional persons who are accustomed to the dangers thereto shall perform maintenance and repair Device Safety The device has been constructed and...

Page 8: ...rity of the danger is indicated by the respective signal word Explosive region warning sign High Voltage Warning Warning of material damage caused by electrostatic charge Property Damage Warning Note...

Page 9: ...sonal injury and property damage The device is to be installed in places that comply with the protection class The ambient temperature at the installation site must not exceed the permissible temperat...

Page 10: ...sible to operate the device safely it must be shut off and secured against being unintentionally switched on Attention The device must never be put into operation even if damage is recognisable 2 3 5...

Page 11: ...voltage sources prior to these works Property damage caused by electrostatic charge When opening the devices components may be exposed that are sensitive against electrostatic discharge ESD The follo...

Page 12: ...n 2 0A Supply galvanically isolated Profibus DP According to EN 50 170 max 12 Mbit s automatic baud rate recognition RS 485 Serial interface RS 232 and RS422 or RS 485 selectable via software Baud rat...

Page 13: ...egulated Online cleaning The dampers for pure gas and raw gas stay open during cleaning Offline cleaning During cleaning of a chamber the selected dampers are closed Within the chamber the valve seque...

Page 14: ...condition is set a cleaning cycle via all active valves is performed Forced cleaning Independently of other necessary conditions e g dp thresholds the setting of this condition starts the cleaning pro...

Page 15: ...r for industrial hose filters The central control communicates with the decentralised valve control units HE 5724 and the damper control units HE 5740 via the industrial CAN bus The central controller...

Page 16: ...Parameter table parameter groups 13 19 The operation parameters can either be set via the keys of the central controller or via the software SmartTool The configuration of the Extra I O is possible vi...

Page 17: ...process control Profibus Ethernet Modbus TCP Modbus RTU RS485 RS232 Parallel interface CAN Local control Modem RS232 Remote PC with software SmartTool Valve Slaves Damper controller Extra I O Differen...

Page 18: ...net 600 mm 600 mm 350 mm W H D Weight 28 5 kg 5 6 2 Damper controller cabinet 500 mm 500 mm 210 mm W H D Weight 16 8 kg or 600 mm 600 mm 210 mm W H D Weight 22 8 kg 5 6 3 Valve controller Slave Box 38...

Page 19: ...6 4 HE 1149 pressure transmitter manifold pressure sensor 78 mm 48 mm W H 5 6 5 Possible differential pressure sensors HE 5421 120 mm 122 mm 55 mm W H D HE 5422 151 mm 160 mm 61 mm W H D HE 5422 MR w...

Page 20: ...l cabinet must be suppressed with RC networks The device has got a network filter In case of transient interference voltages an additional external line filter may be required The line filter is not i...

Page 21: ...ng active IN2 Acknowledgement DO3 Fault IN3 Local cleaning DO4 Pulse signal 1 sec IN4 Filter stop DO5 Lamp test IN5 Post cleaning DO6 Inverted IN8 IN6 Offline cleaning DO7 Central isolation valve IN7...

Page 22: ...22 HE 5750 Operating Instructions 371627 Version 1 1 7 3 Galvanic isolation Galvanic isolation Digital Output and Digital Input need a separate supply...

Page 23: ...st have the same baud rate Limits for the max baud rate are set by the net extension Note Basically the rule is only as quick as necessary not as quick as possible The default setting is 50 kBd Master...

Page 24: ...he address 33 Further valid addresses are 34 and 35 Pure gas damper units start with the address 36 Further valid addresses are 37 and 38 For setting the communication card HE 5910 must be pulled out...

Page 25: ...binet 7 7 Limitation of local operation The operation of the local control elements may be locked by a parameter Selection F5 F1 parameters interfaces local interface Yes No Even if the local operatio...

Page 26: ...ves per chamber CAN network topology 1 Slave per chamber with CAN node addresses Parallel interface HE 5750 Master CAN BUS HE 5724 valve controller Slave 32 valves per chamber raw gas pure gas Chamber...

Page 27: ...slaves per chamber CAN network topology 2 Slaves per chamber With CAN node addresses Parallel interface HE 5750 Master CAN BUS HE 5740 damper controller 32 valves per chamber raw gas pure gas raw gas...

Page 28: ...e 295 Differential pressure e g bar or iwg 2 see Figure 16 line 302 Note If the unit of system pressure and differential pressure are changed the measuring range of the pressure sensor must be adapted...

Page 29: ...abinet A start with the controller is not possible Once the controller is switched on it starts monitoring the CAN network the conformity of parameter set and system the check of necessary values pres...

Page 30: ...nctions setting possibilities or branches are offered on the individual screens key Function Press the ENTER key to accept an entry Press the keys LEFT or RIGHT to change the decimal position or to na...

Page 31: ...sing the F5 key the system status for cleaning and active alarms appear in the display After pressing the F5 key one more time the system status for current dp thresholds is displayed Cleaning status...

Page 32: ...o different sizes Large There are currently active alarms Small There are alarms in hold position that are no longer applied Display settings In this display the arrow keys have the following function...

Page 33: ...screen F2 Key Function Display Press the service key F2 when Info screen is displayed to indicate the service screen with operating hours and cleaning cycles 8 2 5 Standby mode F3 when operated with s...

Page 34: ...Lamp test F9 Key Function Display Indicator lights at the front door of the control cabinet are triggered The current display does not change 8 2 8 Test functions F10 Key Function Display Valve isolat...

Page 35: ...on is displayed chamber related Switching between the chambers with the arrow keys Modification is not possible From this screen the pressure drop screen can be accessed by pressing F2 It provides inf...

Page 36: ...unction Display This function allows quick access to the isolation valves In case the system blocks the isolation valves they can be opened manually here 8 2 13 Chamber isolation F15 Key Function Disp...

Page 37: ...ffered on the individual screens Some screens and functions can only be called up in special interactions The bottom line navigation line in the various screens displays the available accesses and bra...

Page 38: ...s Switching between loaded languages Back Switching screens between screen operating hours analogue inputs digital inputs status Modbus communication status Profibus communication by pressing the F8 F...

Page 39: ...e system parameters The Extra I O can only be defined and parametrised via SmartTool Display of filter cycle times can be called up in 2nd status screen Navigation through the list with arrow keys Nav...

Page 40: ...the last 100 cleaning cycles The last 20 cleaning cycles can be displayed as table or as a bar diagram The bar diagram can be called up via the F12 key The table can be called up via the second system...

Page 41: ...el valve 11 Passwords 17 Controller parameters 6 Cleaning cycle 12 Measurement ranges 18 Extra The different parameters are described in chapters 9 4 1 9 5 1 9 6 1 Parameters can be changed via Contro...

Page 42: ...ntrol Technician 2 4 2 Cleaning mode 0 Part cycle 0 Part cycle 1 Comp cycle Technician 2 4 3 Manual cleaning mode 0 permanent 0 permanent 2 control Technician 2 4 4 Valve sequence 1 1 31 Technician 2...

Page 43: ...sure of a local manifold with an isolation valve especially if 2 manifolds are used With the function valve monitoring one Slave box can monitor the pressure in two manifolds For this purpose the pres...

Page 44: ...ete text list must be loaded in the controller to be available Switching the lanuage can easily be dont with the function keys Press info key F7 and then switch to the other language with F3 2 2 Synch...

Page 45: ...l according to a flow rate rated dp signal The relationship between dp signal and flow rate can be defined with a curve with 10 coordination pairs 4 2 Cleaning mode Setting that defines whether the cl...

Page 46: ...actions Triggers the central isolation valve 4 13 System pressure off Follow up time for closing the central isolation valve 4 14 Drain valves Number of drain valves per valve Slave box 0 drain valve...

Page 47: ...mber Up to 10 repetitions of chamber cleaning can be selected 6 3 Background cleaning With very low differential pressure the background cleaning monitors the time that has passed since the last valve...

Page 48: ...0 Switch off 0 Switch off 1 Limit level Service 3 8 Operating hours 8 1 Control 0 0 1000000 h HE5750 4 8 2 Cleaning 0 0 1000000 h HE5750 4 8 3 Cleaning cycles 0 0 1000000 Cycles HE5750 4 8 4 Service C...

Page 49: ...el for closing the dampers Pure gas dampers raw gas dampers 0 low 1 high 7 5 Damper limit level The signal level by which the dampers report their limit level High the limit level of the damper is rep...

Page 50: ...the persons in charge to work off peak loads 7 16 Hopper level fall Minimum time required for Hopper Level High message Both delay times regenerate the Hopper Level High message 7 17 Manifold pressure...

Page 51: ...tation of the default operating display access to the parameters is cancelled again 11 1 HE 5750 System engineering and setup all parameters 11 2 Service Service staff of manufacturer 11 3 Customer te...

Page 52: ...2 14 13 Distance chamber 2 0 0 0 0 500 0 m Technician 2 14 14 Distance chamber 3 0 0 0 0 500 0 m Technician 2 14 15 Distance chamber 4 0 0 0 0 500 0 m Technician 2 14 16 Distance chamber 5 0 0 0 0 50...

Page 53: ...900 0 mbar Technician 2 17 3 Dp Offset 0 900 0 900 0 mbar Technician 2 17 4 Setpoint 0 0 0 900 0 mbar Technician 2 17 5 Setpoint 10 0 0 900 0 mbar Technician 2 17 6 Setpoint 20 0 0 900 0 mbar Technici...

Page 54: ...to the pulse signal to locate a destroyed filter hose In a delay of the Dust too High signal already another valve can have been triggered which then leads to a wrong information In order to avoid tha...

Page 55: ...Resetting the alarm can remove the locking however this applies to all valves at the same time Yes option 1 Dust valves will be disabled Enabling takes place independently from the alarm reset via the...

Page 56: ...flow rate The control is based on the support curve of the cleaning nominal pressure which specifies the nominal pressure in relation to the current flow rate 3 external nominal value The nominal val...

Page 57: ...ds Thus the filter performance is raised Also the setpoints of the filter chart are changed 17 2 Upper threshold 17 3 Delta p offset 17 4 Setpoint 0 Recommended larger than 0 e g 2 mbar 17 5 Setpoint...

Page 58: ...in small steps only in considerable flow rates With the default setting of 10 the P part during max flow rate is reduced to 10 18 7 Controller modification Adjustment of the controller in case of cham...

Page 59: ...cc to priority 1 SIO Serial interface RS232 2 Connection process control Profibus command or Parallel interface 3 Local operating elements HE 5750 Function keys 4 Local operating elements Inputs comma...

Page 60: ...and is defined project related The command sources are subject to a priority order Sources of higher priority overwrite lower priorities Thus displays can be activated at the control without acceptin...

Page 61: ...t possible any more This function can be activated by the process control or via the service interface After a set time the status Remote Operation deactivates itself without process control contact A...

Page 62: ...r cause Bus error inverted node number Communication with node failed CAN wire interrupted or not connected HE5724 no voltage HE5910 no voltage HE5724 HE5910 defect fuses triggered CAN wire not termin...

Page 63: ...tion Inverse node ID Communication with node functions configuration information of node is evaluated cards in HE5910 node are inserted wrong cards are missing or defect sensor break or sensor is not...

Page 64: ...larms must not be switched on With the F11 key alarm messages which are not the latest ones are reset if the Hold Function is switched on Alarm protocol A list of all occured alarms sorted acc to time...

Page 65: ...s of current operation The sensors for system pressure and differential pressure can be connected either at the Master or at the analogue inputs of the HE 5910 Extra I O HE 5750 solenoid valve control...

Page 66: ...elta p High Alarm 1 Pressure exceeds the defined limit for Alarm 1 Delta p High Alarm 1 too low sudden dust rise Delta p High Alarm 2 Pressure exceeds the defined limit for Alarm 2 Delta p High Alarm...

Page 67: ...t operation time the opposite end switch must report the new damper position end switch was not activated damper control time set too tight damper limit level wrong logic level of damper message dampe...

Page 68: ...alve 5 no pressure Manifold pressure has not regenerated within the manifold refill time Valve defect manifold refill time too low System pressure to low Isolation valve does not open Fuse of isolatio...

Page 69: ...ntroller valve error dust too high Error Message Criterion Error cause Ch 8 valve 15 dust high Dust rise too high due to valve triggering dust rise set too low dust delay too low filter hose ripped du...

Page 70: ...tus unsigned char 6 0 Isolation valve 1 interruption 1 Isolation valve 1 overcurrent 2 Isolation valve 2 interruption 3 Isolation valve 2 overcurrent 1 Digital 7 Sensor error state unsigned char 7 0 P...

Page 71: ...char X to X 7 Chamber 8 X 3 Close chamber Digital 1 0 Chamber 9 to unsigned char 7 Chamber 16 4 Close chamber Digital 1 0 Chamber 17 to unsigned char 7 Chamber 24 5 Chamber cleaning Digital 1 0 Chamb...

Page 72: ...n 1 1 Position Bit Function Data type Bytes Parallel Interface IN Bit 3 Pure gas damper 2 4 Damper control direction 0 open 1 close 5 Isolation valve opening 24 Commands 3 unsigned char 1 0 Standby re...

Page 73: ...d char 1 3 Current valve unsigned char 1 4 Chamber closed Digital 1 0 Chamber 1 to unsigned char 7 Chamber 8 5 Chamber closed Digital 1 0 Chamber 9 to unsigned char 7 Chamber 16 6 Chamber closed Digit...

Page 74: ...signed char 1 Raw gas damper 1 closed 2 Raw gas damper 2 open 3 Raw gas damper 2 closed 4 Pure gas damper 1 open 5 Pure gas damper 1 closed 6 Pure gas damper 2 open 7 Pure gas damper 2 closed 21 Press...

Page 75: ...t connected 7 I O Unit 4 error 9 I O extension status HE 5910 Digital 1 0 I O Unit 5 not connected unsigned char 1 I O Unit 5 error 2 I O Unit 6 not connected 3 I O Unit 6 error 4 I O Unit 7 not conne...

Page 76: ...closing 2 Raw gas damper 2 not opening 3 Raw gas damper 2 not closing 4 Pure gas damper 1 not opening 5 Pure gas damper 1 not closing 6 Pure gas damper 2 not opening 7 Pure gas damper 2 not closing 2n...

Page 77: ...5750 4 Analogue input wire break 7 HE 5750 4 Analogue input short circuit 5th Header 2 4 channel analogue input HE 5910 1 0 Differential pressure wire break 1 Differential pressure short circuit 2 Ra...

Page 78: ...system The controller is delivered completely wired configured and tested Further settings or configurations are not required CAN wire and power supply must be connected Connection CAN and power suppl...

Page 79: ...manently if no EEPROM error exists Pulses Lights up during the pulse output on the cleaning valves CAN Blinks during CAN bus error CAN Lights up permanently when the connection with the Master is esta...

Page 80: ...ating Instructions 371627 Version 1 1 13 4 Terminals and jumpers Terminals and jumpers Dust sensor Pressure sensor Type selection Analogue sensor Switch sensor Isolation valves Supply Fuse CAN bus ter...

Page 81: ...s The Master controller can also be placed in the middle of the network In that case the termination resistor of the Master controller must not be switched on CAN wiring and bus termination CAN bus co...

Page 82: ...sated If no cleaning cycle is active there is no compensation of the cleaning nominal pressure The following parameters are necessary for the pre pressure control with central isolation valve System p...

Page 83: ...ensor as well as the flue gas speed The following parameters are necessary distance chamber x to sensor in m max gas speed m s during max flow rate Monitoring window length s Additionally the flow rat...

Page 84: ...to the main menu via F4 key 7 Chamber valve of the right time window of monitoring 8 Right triggered valve 9 Diagram scaling mbar 10 Display time start 11 Number of the displayed time window 12 Curre...

Page 85: ...during process time Voltage failure leads to loss of the history 15 1 1 Reset dust valves If the dust valves are disabled see 14 9 Lock Dust Valve they can be enabled again by pressing the function k...

Page 86: ...an result in the device becoming a hazard Intentional interruptions are not permitted If there is a suspicion that it is no longer possible to operate the device safely it must be shut off and secured...

Page 87: ...ly on all poles if the device is to be decommissioned Secure the device against being unintentionally switched on If the device is linked to other devices and or equipment consider the impacts and tak...

Page 88: ...Standby mode This HE 5750 functions as the Master now The switch unit also copies the process image and the current parameters of the active HE 5750 Master to the HE 5750 Master in Standby mode This...

Page 89: ...HE 5750 Operating Instructions 371627 Version 1 1 89 Function sketch of switch unit Distributed process control Switch unit...

Page 90: ...ed that this Master controller was detected by the switch unit D Out 24 VDC for signalling luminous indicator Stat 1 lights up permanently if the HE 5750 Master controller 1 is activated Stat 1 flashe...

Page 91: ...tch unit runs It goes off briefly if a data pack is sent from the PC to the active HE 5750 Master controller communication Lights up red in case of initialisation errors EEProm etc Flashes red if no C...

Page 92: ...mm 128 mm 50 mm Installation On supporting rail in switch cabinet together with two HE 5750 Master controllers Digital inputs 2 pieces not galvanically separated non isolated PNP 24 V DC Digital outp...

Page 93: ...MSTBVA 2 5 3 G 5 08 Aggregate Signal Current no CAN Bus RS 485 CAN GND 1 CAN L 2 CAN H 3 Interface Digital I O Master unit Pin designation X3 X6 Pin type Phoenix straight multi pin connector 4 pole MS...

Page 94: ...ks Warning If the failure of a fuse is detected the cause must be inspected and eliminated The replacement fuse must have the same data as the original type Warning of material damage caused by electr...

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