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Operating and Maintenance Instructions

210-OMI14229-Iss8.1

CN1116 Full OMI

Page 1 of 47

Chelmsford Business Park Chelmsford Essex CM2 5EZ

Telephone: +44(0)1245468555 Fax: +44(0)1245466336

e-mail

[email protected]

Part No

CN1116

Description

Modbus Display & Control (MDC)

Issue

Date

Author

Comments

8.1

05/10/2021

F. Pagliarini

To be used with MDC Iss8

Corrected HREG Read Command on Page 32

Summary of Contents for CN1116

Page 1: ...2021 Chelmsford Business Park Chelmsford Essex CM2 5EZ Telephone 44 0 1245468555 Fax 44 0 1245466336 e mail sales uk ebmpapst com Part No CN1116 Description Modbus Display Control MDC Issue Date Auth...

Page 2: ...perating mode configuration 13 5 3 Monitor mode default operation 13 5 4 Monitor control mode 14 5 4 1 Controlling the fan array speed using the controller s 0 10V input 0 10V Control Mode 14 5 4 2 Co...

Page 3: ...H Menu Structure Flow Chart 41 H1 Fan Addressing New Fan Array Initial Setup 41 H2 Fan Addressing Existing Fan Array Initial Setup 41 H3 Initial Factory Reset 41 H4 Fan Replacement 41 H5 Main Menu 41...

Page 4: ...perating mode single sensor monitoring 17 Figure 15 Typical wiring diagram for Constant volume Constant pressure operating mode and controller sensor input 18 Figure 16 Sensor airline connections for...

Page 5: ...w please activate the BMS Compatibility option according to the firmware issue of the previous controller See H21 Advanced Settings BMS Compatibility for more details Please note that the BMS Compatib...

Page 6: ...d by one or a combination of An external 0 10V control signal connected to the controller s 0 10V input A third party Modbus Master device connected to the controller s RS485 slave port Local control...

Page 7: ...Patent GB 2 431 303 Table 2 Specification 3 2 Installation Avoid exposure to vibration high temperatures The unit shall be installed according to relevant safety guidelines and requirements Attention...

Page 8: ...in Figure 2 below Figure 2 Typical wiring for Monitor Operating mode CAUTION Risk of damaging the fans if two power supplies are connected at the same time Do not connect fans 10V output to the contr...

Page 9: ...most recent fan experiencing a fault If a warning condition has been detected in any fan the controller will illuminate the yellow fan status indicator LED but the display will not automatically show...

Page 10: ...ng the UP and DOWN buttons and then press the ENTER button twice to confirm If only two or one fan is connected to the controller please manually enter the number using the UP and DOWN buttons and the...

Page 11: ...Sensor Reading available if the controller has been configured to work with multiple pressure sensors Use the UP and DOWN buttons to cycle between different parameters and the BACK and ENTER buttons...

Page 12: ...n swapping fan numbers to achieve a match between the fan numbers and the equipment or building layout By selecting a fan from the list and pressing the ENTER button it is possible to assign a new fan...

Page 13: ...resume its normal monitor and or control operations Most changes made in the main menu and its submenus either locally or remotely via the Modbus Slave Port will trigger a power reset to both fans and...

Page 14: ...the controller will respond only to a speed setpoint change made at the keypad Multiple Control Options There may be a requirement for more than one control mode option such as in the case of manual...

Page 15: ...tiometer control signal and external power supply Figure 11 Wiring diagram for Monitor Control operating mode and 0 10V control mode external control signal CAUTION Risk of damaging the fans if two po...

Page 16: ...Control Use the UP and DOWN buttons to change the speed setpoint in steps of 1 or hold the ENTER button and then use the UP and DOWN buttons to change the speed setpoint in steps of 25 The wiring dia...

Page 17: ...volume or constant pressure operating mode The controller can be used with one or multiple 0 10V differential pressure sensors to maintain a volume or pressure set point in the system in which the fan...

Page 18: ...see Section 8 0 Multi Sensor Operation for more information See Section 6 0 Pressure Sensor Connections where it shows how to correctly install the pressure sensor to the fan and or the equipment 5 6...

Page 19: ...onitoring system Instead of using a single differential pressure sensor it is possible to connect multiple differential pressure sensors to the system by using the 0 10V inputs of the fans The operati...

Page 20: ...he new settings will be stored in non volatile memory in the fans after which the fans and controller will perform a power reset to activate the new operating parameters RPM Limit All Fans o Custom RP...

Page 21: ...enabled the Main Menu is only accessible when using a sequence of key presses available at the end of this document The default value is disabled LDC Brightness See H25 Adv Settings LCD Brightness al...

Page 22: ...s to differential pressure sensors that require an external power supply Figure 18 Sensor Fan wiring diagram with power supply We recommend using ebm papst SN1120 or SN1121 series differential pressur...

Page 23: ...oller configuration and automatic sensor mapping How to set the parameters after selecting either Constant Volume Pressure as the operating mode or Monitor Control with Sensor Monitor Enabled select F...

Page 24: ...ans that do not have sensors and then read all previously detected sensors to identify to which sensor that fan s airline is connected to After all tests have been completed please see Finalising the...

Page 25: ...n 1 the volume reading line contains a D character prefix which indicates that the sensor s 0 10V output is connected directly to the 0 10V input of fan 1 However when looking at the status screen of...

Page 26: ...ately 3 seconds apart from each other e g figures 26 and 27 above are separated by approximately 3 seconds Note If the fan is switched off after experiencing alarms or warnings the controller will in...

Page 27: ...ct the number of fans in the array using the UP and DOWN buttons Finally confirm by pressing the ENTER button the controller will then power cycle and display the status screen of Fan 1 Note 1 The new...

Page 28: ...requirements of the RoHS directive Refer to the figure below when dismantling Figure 28 Exploded View of Product 1 Enclosure HIPS UL94 V0 2 Keypad membrane polycoated Kraft acrylic polyester film and...

Page 29: ...Iss8 1 CN1116 Full OMI Page 29 of 47 ebm papst UK Ltd 2021 Chelmsford Business Park Chelmsford Essex CM2 5EZ Telephone 44 0 1245468555 Fax 44 0 1245466336 e mail sales uk ebmpapst com Appendix A Phys...

Page 30: ...e g BMS B RS485 B from 3rd Party System e g BMS 0V Common 0V GND Table 4 PCB Bottom Side Connector Identities and Pin Functions Mating 3 way Pluggable Connector Manufacturer IMO Precision Controls Par...

Page 31: ...s those displayed on the LCD power RPM temperatures etc for each connected fan They are constantly being updated by the controller and the advantage of using them for monitoring is that for example th...

Page 32: ...POINT FAN ARRAY SPEED SETPOINT 0 100 6 TOTAL POWER CONSUMPTION HIGH BYTES THE HIGHER 16 BITS OF A 32 BIT UNSIGNED INTEGER REPRESENTING THE TOTAL POWER CONSUMPTION OF THE FAN ARRAY W 7 TOTAL POWER CONS...

Page 33: ...ssure or Volume D Measurement Unit Metric or Imperial E Sensor Type 50Pa 200Pa 500Pa 1000Pa 2000Pa or 3500Pa F Fan k Factor 10 Target Volume Pressure Setpoint High 11 Target Volume Pressure Setpoint L...

Page 34: ...this function is activated the maximum number of times Fan Array Set Speed can be write accessed over the entire service life of the controller is 10 000 Controller s 0 10V Input Control Mode allows t...

Page 35: ...100 speed and is not able to reach the target pressure volume setpoint Volume Pressure Alarm Threshold related to the volume pressure alarms see above Address Hex A Availability Monitor Monitor Contr...

Page 36: ...Address Hex 12 Availability Constant Volume Constant Pressure Modes Values 0 to 1000 default 15 PID I Value sets the integral value of the controller s PID control algorithm Address Hex 13 Availabili...

Page 37: ...TEMPERATURE C Parameter 8 CB0E FAN 1 ELECTRONICS TEMPERATURE C CB0F FAN 2 ELECTRONICS TEMPERATURE C Parameter 9 CB10 FAN 1 HOURS RUN hours CB11 FAN 2 HOURS RUN hours Parameter 10 CB12 FAN 1 SPEED SET...

Page 38: ...6 Full OMI Page 38 of 47 ebm papst UK Ltd 2021 Chelmsford Business Park Chelmsford Essex CM2 5EZ Telephone 44 0 1245468555 Fax 44 0 1245466336 e mail sales uk ebmpapst com FAN ALARM REGISTER FAN WARNI...

Page 39: ...pt at its factory setting value of 1 MDC2 Modbus Slave address has been changed to 2 see H20 Advanced Settings BMS Settings Both MDCs have changed their operating mode to Modbus Relay see H11 Operatio...

Page 40: ...0 88 B000 14 1C00 39 4E00 64 8000 89 B200 15 1E00 40 5000 65 8200 90 B400 16 2000 41 5200 66 8400 91 B600 17 2200 42 5400 67 8600 92 B800 18 2400 43 5600 68 8800 93 BA00 19 2600 44 5800 69 8A00 94 BC0...

Page 41: ...elmsford Business Park Chelmsford Essex CM2 5EZ Telephone 44 0 1245468555 Fax 44 0 1245466336 e mail sales uk ebmpapst com Appendix H Menu Structure Flow Chart H1 Fan Addressing New Fan Array Initial...

Page 42: ...21 Chelmsford Business Park Chelmsford Essex CM2 5EZ Telephone 44 0 1245468555 Fax 44 0 1245466336 e mail sales uk ebmpapst com H6 Fan Status H7 Operation Mode Monitor H8 Operation Mode Monitor Contro...

Page 43: ...47 ebm papst UK Ltd 2021 Chelmsford Business Park Chelmsford Essex CM2 5EZ Telephone 44 0 1245468555 Fax 44 0 1245466336 e mail sales uk ebmpapst com H9 Operation Mode Monitor Control Keypad Control...

Page 44: ...ing H14 Adv Settings Measurement Unit H15 Advanced Settings PID Settings H16 Advanced Settings RPM Limit m3 h or CFM for Volume Pa or i n w g for Pressure This sub menu is only available when using mo...

Page 45: ...BMS Settings This submenu is only available when OP Mode Monitor This submenu is only available when OP Mode Monitor Control and the control mode includes the 0 10V Input option The Vol Press Alarm op...

Page 46: ...able to the BMS so it fully matches the original map as per selected firmware issue It also changes the BMS baud rate to the default value found in the different firmware variants H22 Advanced Setting...

Page 47: ...or Map H27 Advanced Settings Factory Reset After erasing the sensor map from non volatile memory the MDC will go the Sensor Mapper screen before reaching H6 The controller will be reset to its factory...

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