MRS 1.026.1 Operating Instructions Manual

Frequency monitors

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Frequency Monitors
Operating Instructions
For the following types:
1.026.1 Frequency Monitor 12 V
1.026.2 Frequency Monitor 24 V
1.026.3 Frequency Monitor 9-30 V

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Summary of Contents for MRS 1.026.1

  • Page 1 Frequency Monitors Operating Instructions For the following types: 1.026.1 Frequency Monitor 12 V 1.026.2 Frequency Monitor 24 V 1.026.3 Frequency Monitor 9-30 V...
  • Page 2 The original operating instructions were composed in German. MRS Electronic GmbH & Co. KG compiled this document with the utmost diligence and based on the current state of technology. MRS Electronic GmbH & Co. KG will not assume any liability or responsibility for errors in content or form, missing updates as well as any possibly resulting damages or drawbacks.
  • Page 3: Table Of Contents

    Index Index User Information ..................................4 1.1. About These Operating Instructions ........................4 1.2. Copyright ..................................6 1.3. Warranty Conditions ..............................6 Safety ......................................7 2.1. Hazards ..................................... 7 2.2. Staff Qualifications ............................... 9 2.3. Obligations of the Manufacturer of Complete Systems ................9 Product Description ................................
  • Page 4: User Information

    Validity of the operating instructions The validity of these instructions goes into effect with the transfer of the product from MRS to the operator. The version number and approval date of the instructions are included in the footer.
  • Page 5 User Information Warning information in the operating instructions The operating instructions contain warning information before a call to action which includes the risk of property damage or personal injury. The measures for averting risks described in the instructions must be implemented. Warning information is structured as follows: DANGER! SOURCE AND CONSEQUENCE Plus explanation, where needed.
  • Page 6: Copyright

    1.3. Warranty Conditions See the General Terms and Conditions MRS Electronic GmbH & Co. KG at https://www.mrs- electronic.com/en/terms Frequency_Monitors_OI1_1.2 | Version 1.2 | 01/2025 Page 6 of 21...
  • Page 7: Safety

    Safety Safety This chapter includes all the information you should know in order to safely install and operate the product. 2.1. Hazards The frequency monitor has been constructed with the newest technology and recognized safety-relevant regulations. Danger for persons and/or property may arise in case of improper use.
  • Page 8 Safety Moving components The complete system may create unforeseen dangers when commissioning and servicing the frequency monitor. WARNING! SUDDEN MOVEMENTS OF COMPLETE SYSTEM OR OF COMPONENTS Danger due to unprotected moving components.  Before performing any work, shut down the complete system and secure it against unintended restart.
  • Page 9: Staff Qualifications

    Authorized persons Authorized persons are those persons who are permitted to perform the work due to legal regulations or who have been approved to perform certain tasks by MRS. 2.3. Obligations of the Manufacturer of Complete Systems Tasks for system development, installation and commissioning of electric systems may only ◼...
  • Page 10 Safety No changes and/or repairs may be performed on the frequency monitor. ◼ If the frequency monitor falls down, it may no longer be used and must be returned to MRS ◼ to be checked. The manufacturer of the complete system must inform the end customer about all potential ◼...
  • Page 11: Product Description

    Product Description Product Description The frequency monitors by MRS Electronic are relays that switch the connected loads on or off when a predefined frequency threshold is exceeded or not reached. Frequency_Monitors_OI1_1.2 | Version 1.2 | 01/2025 Page 11 of 21...
  • Page 12: Transport And Storage

    The product must be packed in suitable transport packaging and secured against sliding around. During transport, the statutory provisions regarding securing loads must be observed. If the frequency monitor falls down, it may no longer be used and must be returned to MRS to be checked.
  • Page 13: Intended Use

    Operation without the safety measures intended and provided by the manufacturer. ◼ MRS only guarantees/is liable for the frequency monitor corresponding to the published specifications. If the product is used in a way not described in these operation instructions or in the data sheet of the frequency monitor in question, the protection of the frequency monitor will be impaired, and the warranty claim is void.
  • Page 14: Assembly

    Assembly work may only be performed by qualified staff (see Chapter 2.2 Staff Qualifications). The frequency monitor may only be operated after having installed in a fixed location. INFORMATION If the frequency monitor falls down, it may no longer be used and must be returned to MRS to be checked. 6.1.
  • Page 15: Electric Installation And Wiring

    Electric Installation and Wiring Electric Installation and Wiring 7.1. Electric Installation Electric installation work may only be performed by qualified staff (see Chapter 2.2 Staff Qualifications). The electric installation of the unit may only be performed in idle condition. The frequency monitor may never be connected or disconnected on-load or when live.
  • Page 16: Wiring

    Electric Installation and Wiring 7.2. Wiring INFORMATION Always use an external fuse in the power supply line to protect the device against overvoltage. For further information about the correct fuse rating, please refer to the corresponding data sheet. The wiring must be connected with the utmost diligence. ◼...
  • Page 17: Commissioning

    The operator must ensure that the correct software has been embedded and corresponds with the circuitry and parameter ◼ setting of the hardware (only for frequency monitors supplied by MRS without software). no persons are present in the vicinity of the complete system. ◼...
  • Page 18: Software

    Software Software The installation and/or replacement of device firmware / software must be performed by MRS Electronic GmbH & Co. KG or by an authorized partner in order for the warranty to remain valid. INFORMATION Frequency monitors supplied without software can be programmed using MRS Realizer.
  • Page 19: Fault Removal And Maintenance

    Fault Removal and Maintenance Fault Removal and Maintenance INFORMATION The frequency monitor is maintenance-free and may not be opened.  If the frequency monitor exhibits any damages on the casing, locking catch, seals or flat plugs, it must be shut down. Fault removal and cleaning work may only be performed by qualified staff (see Chapter 2.2 Staff Qualifications).
  • Page 20: Cleaning

    Fault Removal and Maintenance 10.1. Cleaning INFORMATION Damages due to improper cleaning agents! The frequency monitor may be damaged when cleaning it with high-pressure cleaners, steam jets, aggressive solvents or scouring agents.  Do not clean the frequency monitor with high-pressure cleaners or steam jets. Do not use any aggressive solvents or scouring agents.
  • Page 21: Disassembly And Disposal

    Disassembly and Disposal Disassembly and Disposal 11.1. Disassembly Disassembly and disposal may only be performed by qualified staff (see Chapter 2.2 Staff Qualifications). Disassembly of the unit may only be performed in idle condition. WARNING! SUDDEN MOVEMENTS OF COMPLETE SYSTEM OR OF COMPONENTS Danger due to unprotected moving components.

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1.026.21.026.3

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