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Thank you
You
have
chosen an EFOY
We hope you enjoy using your new energy supply accessory. If you have any questions about
installation and operation, please contact your sales partner or the EFOY hotline.
Copyright by SFC Energy AG 2025, all rights reserved.
Specifications are subject to change without notice. Revision 02/2025
Notes on safe operation
R ead the operating instructions before commissioning. F or your own
safety, follow the instructions and warnings in these operating
instructions. Keep the operating instructions with the EFOY MultiSense.
WARNING
The EFOY MultiSense must be protected from direct exposure to the
weather, in particular from moisture penetration.
Do not open the EFOY MultiSense. Open the MultiSense at your own
risk.
Protect the EFOY MultiSense from heat and direct sunlight. Observe the
temperature specifications for operation and storage in
Do not smoke when handling the EFOY MultiSense.
EFOY MultiSense is not intended for use by persons (including children)
with reduced physical, sensory or mental capabilities, or lack of
experience and/or knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a person responsible
for their safety. Children must be supervised to ensure that they do not
play with the appliance.
MultiSense MS4 /
MS8 from SFC Energy
SECTION
AG.
2.3.
Page 37

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Summary of Contents for SFC Energy EFOY MultiSense MS4

  • Page 1 We hope you enjoy using your new energy supply accessory. If you have any questions about installation and operation, please contact your sales partner or the EFOY hotline. Copyright by SFC Energy AG 2025, all rights reserved. Specifications are subject to change without notice. Revision 02/2025 Notes on safe operation R ead the operating instructions before commissioning.
  • Page 2 Service and contact SFC Energy AG Eugen-Saenger-Ring 7 85649 Brunnthal Germany Hotline: +49 89 673 592 555 Freecall*: 00800 732 762 78 service@sfc.com E-Mail: Web: www.efoy.com * The toll-free number can be called free of charge from a landline telephone in the following countries: Germany, Belgium, Denmark, France, Great Britain, Italy, the Netherlands, Norway, Austria, Sweden, Switzerland and Spain.
  • Page 3: Table Of Contents

    Contents Safety............................40 Explanation of signal words ............................40 Safety instructions for the EFOY MultiSense......................41 Certificates ....................................42 Proper use ....................................43 Transportation and disposal ............................43 Design and specifications ......................44 Product contents..................................44 Connections of the EFOY MultiSense ........................46 Specifications .....................................
  • Page 4: Safety

    Safety Safety 1.1 Explanation of signal words DANGER Indicates a hazard with a high degree of risk which, if not avoided, will result in death or serious injury.  Pay attention to the danger warning. WARNING Indicates a hazard with a medium level of risk which, if not avoided, can result in death or serious injury.
  • Page 5: Safety Instructions For The Efoy Multisense

    Safety 1.2 Safety instructions for the EFOY MultiSense WARNING Risk of electric shock! The EFOY MultiSense is not waterproof. Penetrating water connecting with electricity creates a risk of injury.  Ensure that no water can enter the EFOY MultiSense.  Choose an area protected from exposure to water for the installation in accordance with the IP protection class.
  • Page 6: Certificates

    Safety 1.3 Certificates 1.3.1 Declaration of conformity SFC Energy AG, Eugen-Saenger-Ring 7, 85649 Brunnthal declares that the following devices comply with the provisions of EU Directives 2014/30/EU (electromagnetic compatibility), 2011/65/EU + 2015/863 (restriction of the use of certain hazardous substances in electrical and electronic equipment RoHS) and the REACH Regulation (EC) No.
  • Page 7: Proper Use

    Safety 1.4 Proper use The EFOY MultiSense from SFC Energy AG provides the user with information about the currents and temperatures of your application (e.g. solar power and battery temperature). Consumers can also be switched on or off via digital I/O connections.
  • Page 8: Design And Specifications

    All sets contain the following: EFOY MultiSense (a)/(b), MultiSense power supply (c), MultiSense SFC bus cable (d) and EFOY MultiSense operating instructions (h). Additional sensors including cables are included in the EFOY MultiSense MS4 sensor set (see table below) or can be ordered separately.
  • Page 9 Design and specifications The following additional sensors and cables are not included in the sets as standard, but can be ordered individually if required. Item no. Description 153 075 113 Current sensor 10 A 158 075 008 Wiring harness 10 A / 50 A current sensors 153 075 115 Current sensor 150 A 153 075 035...
  • Page 10: Connections Of The Efoy Multisense

    2.2 Connections of the EFOY MultiSense The figure shows an example of the connections (ports) of the MultiSense MS8. The I/O ports (9) to (12) shown are not available on the EFOY MultiSense MS4. (1) V+: EFOY MultiSense power supply...
  • Page 11: Specifications

    Design and specifications 2.3 Specifications EFOY MultiSense MS4 EFOY MultiSense MS8 Analog connections (15) - (18) Temperature connections (13) - (14) I/O connections (9) - (12) Weight 0.165 kg 0.174 kg Dimensions (L x W x H) 129 x 127 x 22 mm...
  • Page 12 Design and specifications Operation via the EFOY Fuel Cell OP3 operating panel and EFOY Cloud All technical data based on testing under standard conditions. Technical data subject to change without notice. Page 48...
  • Page 13: Preparing The Efoy Multisense For Operation

    Preparing the EFOY MultiSense for operation Preparing the EFOY MultiSense for operation To use the EFOY MultiSense, at least firmware FW 24.16.3xx must be installed on the EFOY Fuel Cell. 3.1 Installing & removing the EFOY MultiSense WARNING Risk of electric shock! The EFOY MultiSense is not waterproof. There is a risk of injury from water ingress in combination with current.
  • Page 14: Integrating The Efoy Multisense

    Preparing the EFOY MultiSense for operation 3.2 Integrating the EFOY MultiSense The EFOY MultiSense is integrated into the system as an undermined stub line. The options are illustrated and explained in the following diagrams. Integration with an EFOY battery: The EFOY MultiSense is integrated into the SFC bus using a port doubler as an ...
  • Page 15 Preparing the EFOY MultiSense for operation Integration with another battery (without SFC bus connection): If no EFOY battery is installed, the SFC bus cable of the operating panel is  connected directly to the EFOY Fuel Manager. The EFOY MultiSense is connected as an undermined stub line via a port doubler ...
  • Page 16: Connecting The Efoy Multisense

    Preparing the EFOY MultiSense for operation 3.3 Connecting the EFOY MultiSense If you have decided on an integration option (see 3.2), you can continue with SECTION connecting the EFOY MultiSense. (1) V+: EFOY MultiSense power supply (2) Vp: Driver supply of the digital ports (3) GND: EFOY MultiSense reference potential (4) CAN_H: CAN communication (high) (5) CAN_L: CAN communication (low)
  • Page 17 Preparing the EFOY MultiSense for operation C on necting the EFOY MultiSense to the SFC bus Use the supplied MultiSense SFC bus cable (d) (see 2.1) to connect the SECTION MultiSense to the SFC bus. Connect the "CAN_H" strand of the MultiSense SFC bus cable to one of the two ...
  • Page 18 Preparing the EFOY MultiSense for operation The output signal of the current sensor (typically marked V ) (see CAUTION - note  the label on the sensor) is connected via the analog port A1+ (15) or A2+ (17). The reference potential of the current sensor (typically GND) (see CAUTION - note ...
  • Page 19 (V C on necting the EFOY MultiSense to the power supply The connection of the power supply differs between the EFOY MultiSense MS4 and MS8. Please follow the corresponding instructions for the correct wiring of your product. Proceed as follows if you have an EFOY MultiSense MS4: To connect your EFOY MultiSense MS4 to the power supply, use the MultiSense ...
  • Page 20 Preparing the EFOY MultiSense for operation Proceed as follows if you have an EFOY MultiSense MS8: Power supply of the EFOY MultiSense MS8 Basic functions To connect your EFOY MultiSense MS8 to the power supply, use one of the two ...
  • Page 21: Operating The Efoy Multisense

    Operating the EFOY MultiSense Operating the EFOY MultiSense You can operate the EFOY MultiSense directly via the operating panel on the device or access it remotely via the EFOY Cloud. https://www.efoy-cloud.com/ https://www.efoy-cloud.com/ 4.1 Operating the EFOY MultiSense via the operating panel In the overview of your EFOY on the operating panel, the EFOY MultiSense MS8 is displayed here as an example as follows: To set up and control your device, click on the menu icon (in the top left-hand corner) on the...
  • Page 22 Operating the EFOY MultiSense In the "Settings" menu item, click on "EFOY MultiSense MS8" on the operating panel. You can use this to set up and operate your device. Page 58...
  • Page 23 Operating the EFOY MultiSense You can now configure the individual ports in the EFOY MultiSense overview by clicking on the respective tiles A1 - A2, T1 - T2 or IO1 - IO4: Page 59...
  • Page 24: Configuration Of Analog Ports (Current Sensors)

    Operating the EFOY MultiSense 4.2 Configuration of analog ports (current sensors) The configuration of the analog ports can be set by selecting port A1 or A2. The sensor type, the function and the unit can each be selected from a drop-down menu. Confirm the changes to the configuration using the save button ("Save changes").
  • Page 25: Configuration Of Digital I/O Ports

    Operating the EFOY MultiSense 4.4 Configuration of digital I/O ports The configuration of the I/O ports can be set by selecting ports IO1 - IO4. The mode, the function, the current threshold setting and the output value can each be selected from a drop-down menu.
  • Page 26 Operating the EFOY MultiSense Output value in case of error only for the configuration as output: After setting the "Fixed value in case of error" function, this switch can be used to set the corresponding output. This determines which state the output port should go to if an error occurs.
  • Page 27: Commissioning The Efoy Multisense

    Commissioning the EFOY MultiSense Commissioning the EFOY MultiSense Once the MultiSense power supply cable and the MultiSense SFC bus cable are connected to the EFOY Fuel Cell, the EFOY MultiSense is ready for operation, see SECTION The EFOY MultiSense indicates its status with the status LED on the device (see 2.2, SECTION 8).
  • Page 28: Status Led Overview

    Commissioning the EFOY MultiSense 5.2 Status LED overview The table shows the status the EFOY MultiSense: Status LED Behavior Meaning Permanent No power supply available Permanent Established SFC bus communication Green Initialization of the SFC bus Fast flashing connection Green Slow flashing Setting up SFC bus communication Green...
  • Page 29: Maintaining And Updating The Efoy Multisense

    Maintaining and updating the EFOY MultiSense Maintaining and updating the EFOY MultiSense Under normal operating conditions, the EFOY MultiSense is maintenance- free. The EFOY MultiSense does not contain any parts that you can maintain or repair yourself. Firmware update The EFOY MultiSense is supplied with firmware (see label on the device) and does not require any further firmware updates.
  • Page 30: Troubleshooting

    Troubleshooting Troubleshooting Info and errors are indicated by the status LED flashing or lighting up (see 5.2) and a SECTION message appears on the EFOY Fuel Cell operating panel. There you will find instructions on how to rectify the Info / errors. Information on the displayed error codes can also be found in the SFC Service Tool: https://www.efoy-pro.com/service/servicetool/ If errors occur repeatedly, contact the EFOY hotline.
  • Page 31 Troubleshooting Confirm the deactivation of all ports with the button in the pop-up window. Page 67...
  • Page 32: Resetting, Shutting Down And Storing The Efoy Multisense

    Resetting, shutting down and storing the EFOY MultiSense Resetting, shutting down and storing the EFOY MultiSense 8.1 Reset EFOY MultiSense to factory settings In the MultiSense MS4 menu on the OP3, for example, press the Factory setting line (see figure below for an example of the MultiSense MS4). Page 68...
  • Page 33: Shutting Down The Efoy Multisense

    Resetting, shutting down and storing the EFOY MultiSense Now confirm the reset to factory settings with the reset button in the pop-up window. Confirming the reset to factory settings resets all ports and settings of the entire device to the factory settings. 8.2 Shutting down the EFOY MultiSense Please note the following points to decommission your EFOY MultiSense: Disconnect the power supply.
  • Page 34: Software Licenses Of Third-Party Suppliers Used

    Software licenses of third-party suppliers used Software licenses of third-party suppliers used You can download the detailed use of all third-party software licenses at https://www.my- efoy.com/en/third-party-licenses. All specified license conditions, warranty disclaimers and copyright notices are available for download here. Page 70...
  • Page 35 Software licenses of third-party suppliers used Page 71...
  • Page 36 Software licenses of third-party suppliers used Page 72...

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