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Merak MMk-656 Instruction Manual

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INSTRUCTION
AND CONNECTION MANUAL
MMk-656
Compact
Emergency
Telephone
for Lifts

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Summary of Contents for Merak MMk-656

  • Page 1 INSTRUCTION AND CONNECTION MANUAL MMk-656 Compact Emergency Telephone for Lifts...
  • Page 2 MERak devices have general knowledge of basic safety rules and know specifically the operating instructions to ensure its proper handling and optimum performance. The MERak devices should only be used for the purposes for which they were designed. Any unauthorized modification is strictly prohibited.

  • Page 3: Table Of Contents

    MONITORING BATTERY CHARGE ........................16 AUDIO ADJUSTMENT ............................... 16 WIRING DIAGRAM ..............................17 RS-485 SERIES CHANNEL ............................ 17 15.1. Connections ........................17 15.2. Series channel commands ..................... 18 Rev. M1.5 – S2.5 © MERak. All rights reserved Instruction and Connection Manual 3 of 20...

  • Page 4: General Characteristics

    Compact Emergency Telephone for Lifts GENERAL CHARACTERISTICS The MMk-656 is a hands-free telephone with automatic dialling, which allows full duplex communication between a lift car and an alarm reception centre or any telephone, to permit the rescue of people trapped in lifts. Aside from performing this basic function, the equipment has been fitted with a series of additional features for remote maintenance and monitoring of the lift.

  • Page 5: Introducing Device

    Compact Emergency Telephone for Lifts 1.2. Introducing device 1.3. Characteristics The principal features of the MMk-656 are as follows:  Automatic calling of up to 4 pre-programmed numbers when an alarm is raised. Automatic calling when a maintenance alarm is raised (need to rescue operators or communicate with the centre).

  • Page 6: Location, Connection And Start-Up

    Then proceed to start-up. 2.1. Location The location recommended by MERak for the emergency telephone is in the lift car behind the button panel, so that a trapped person can use the incorporated speaker and microphone to communicate with the alarm centre.

  • Page 7: Start-Up

    This alarm can also be raised at different points: A switch at the pair of terminals J1 SOS/EOA and J1 SOS/EOA. 2. At specific terminals of the audio module (see the instruction manual available on MERak website www.merakeurope.com). It makes a call to the number stored in the first register of the equipment (register 01). This switch is designed to offer the installer the possibility of communication with the centre in the event Rev.

  • Page 8: Periodic Test Call (En 81-28)

    To this end, the MMk-656 has been provided with two memory registers (06 and 07), where the numbers of the servers which log the test calls can be stored. Just as with the alarm numbers, it tries with the first number in the list, and if this is not successful, it tries with the next number.

  • Page 9: Connectors

    For this case, the emergency telephone MMk-656 has an input at the pair of terminals J1 FILTR and J1 FILTR. When this input is short-circuited, generation of alarms from the car is disabled.

  • Page 10: Rs-485 Serial Communications Connector (J3)

    To deactivate the calls, it is only necessary to deprogramme the same register. If the supply equipment recommended by MERak is not used, a stable and regulated source should be used, which should be located as close as possible to the set to avoid the possible introduction of electromagnetic parasites in a long supply cable.

  • Page 11: Intercom (J5)

    The intercom has two functions: on the one hand it allows speaking from the car to the other set, and on the other hand it allows programming the MMk-656 using its own keypad and assisted by programmed voice messages.
  • Page 12 For example, it might be very useful to use an SD card with parameters programmed as a master to automatically programme new sets rapidly and avoiding programming errors. Rev. M1.5 – S2.5 © MERak. All rights reserved Instruction and Connection Manual 12 of 20...

  • Page 13: Switches (J8)

    Incoming call Green Orange Alternative AC power OFF Green Alternative Battery low Orange Alternative Battery disconnected Table 2: Equipment status according to status LED. Rev. M1.5 – S2.5 © MERak. All rights reserved Instruction and Connection Manual 13 of 20...

  • Page 14: Alarm Status Signalling Leds

    Table 3: Alarm status according to equipment LEDs LANGUAGE CONFIGURATION The MMk-656 can be configured to use different languages both for voice-assisted parameter programming and for playing the car announcements. In the case of playing car messages, up to 4 different languages can be selected, to be played consecutively.

  • Page 15: Connection In Multi-Car Mode

    Compact Emergency Telephone for Lifts CONNECTION IN MULTI-CAR MODE As mentioned earlier, WITHOUT any need for extra cabling, up to 4 MMk-656 emergency telephones can share a single telephone line. It is also possible to mix them with MMk-643 and 644 models, provided that there are no more than 4.

  • Page 16: Monitoring Battery Charge

    Compact Emergency Telephone for Lifts MONITORING BATTERY CHARGE The MMk-656 is designed to carry out a very precise measurement of the charge state of the emergency battery connected to it. To perform this measurement, the telephone disconnects itself from the electrical supply (terminals J2 V+ and J2 V-) every 2 hours to measure the battery charge.

  • Page 17: Wiring Diagram

    MERak Compact Emergency Telephone for Lifts WIRING DIAGRAM Illustration 3: Wiring diagram for the MMk-656 RS-485 SERIES CHANNEL The J3 input corresponds to an RS-485 series channel. The port configuration is 9 data bits without parity and one Stop bit (9N1), at 4800bps by default.

  • Page 18: Series Channel Commands

    The control system or other devices such as the graphical viewer transmit this frame to the emergency telephone so that it generates a synthesized voice message audible in the car. Rev. M1.5 – S2.5 © MERak. All rights reserved Instruction and Connection Manual 18 of 20...
  • Page 19 Doors open Doors closed Lower Zero Three Four Five Seven Eight Nine Eleven Twelve Thirteen Fourteen Fifteen Sixteen Seventeen Eighteen Nineteen Twenty Twenty-one Twenty-two Twenty-three Rev. M1.5 – S2.5 © MERak. All rights reserved Instruction and Connection Manual 19 of 20...
  • Page 20 = 0x88. Similarly for Sint 2: Sint 2 = “One” = 0x52, (again we set the most significant bit to 1) and it becomes 0xD2. Rev. M1.5 – S2.5 © MERak. All rights reserved Instruction and Connection Manual 20 of 20...

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