Download
Share
Print this page
  1. Manuals
  2. Brands
  3. Mobatime Manuals
  4. Clock
  5. HN 61a
  6. User manual

Mobatime HN 61a User Manual

Mini master clock
Hide thumbs

Advertisement

Quick Links

Download this manual
User Manual
HN 61a
Mini Master Clock
Scan the QR code or enter following URL to get the latest version:
https://docs.mobatime.cloud/HN-61a
BE-801455.0-HN 61a | 2025-05-23

Advertisement

loading
Need help?

Need help?

Do you have a question about the HN 61a and is the answer not in the manual?

Questions and answers

Related Manuals for Mobatime HN 61a

Summary of Contents for Mobatime HN 61a

  • Page 1 User Manual HN 61a Mini Master Clock Scan the QR code or enter following URL to get the latest version: https://docs.mobatime.cloud/HN-61a BE-801455.0-HN 61a | 2025-05-23...
  • Page 3 The information in this document is subject to change without notice. The latest version of this document is available for download at https://docs.mobatime.cloud/HN-61a . This User Manual has been composed with the utmost care to explain all the details to ensure a safe and stable operation of this product.
  • Page 4 Table of Contents Safety ........
  • Page 5 5.3.2. Channel Switches According to Calculated Sunrise and Sunset Times .......
  • Page 6 Safety HN 61a – Mini Master Clock | User Manual 1 Safety Read the safety instructions carefully and follow all the instructions. This ensures safe and reliable operation of this device. 1.1. Instructions and Symbols Symbols used throughout this document and their meaning are as follows: A note or important information.
  • Page 7 HN 61a – Mini Master Clock | User Manual Safety Never open the housing of this product, for it poses mortal danger from electric shock or may even cause a fire. Keep packaging such as plastic films away from children. There is the risk of suffocation of misused.
  • Page 8 Safety HN 61a – Mini Master Clock | User Manual 1.5. Maintenance and Cleaning • If the product and/or the connecting cable is damaged, do not touch it: there is mortal danger from electric shock! First, turn off the power supply to all poles of the product. Verify the absence of voltage using an appropriate meter.
  • Page 9 HN 61a – Mini Master Clock | User Manual Overview 2 Overview The “mini” master clock is a device used to controll small-scale system of unified time, with up to 20 pieces of slave clocks and up to 8 pieces of school bells (signalling devices).
  • Page 10 Overview HN 61a – Mini Master Clock | User Manual 2.5. Operation Reserve 2.5.1. Passive • Internal backup battery for RTC in case of power loss. • As soon as the power becomes resumed, the slave clocks adjust automatically and in an accelerated mode to the proper time, the channel stat corresponds to the actual time.
  • Page 11 HN 61a – Mini Master Clock | User Manual Installation 3 Installation The following places should be avoided: • Within the reach of high voltage operated equipment. • Places exposed to direct impact of solar radiation. 3.1. Installation Procedure Snap the clock box onto the DIN rail 9M.
  • Page 12 Connection HN 61a – Mini Master Clock | User Manual 4 Connection 4.1. Terminal Board Connection 4.1.1. Terminal Description Fuse MST fuse T200 mA / 250 V or T315 mA / 250 V (for power supply 115 VAC / 60 Hz)
  • Page 13 HN 61a – Mini Master Clock | User Manual Connection 4.2. Slave Line Connection Connect the Slave clock line to terminal L1 . Set the type of Slave line depending on the type of clock. 4.2.1. Analogue Clock It is important to check your analogue clock movement type before you connect the clock to the terminal L1 . Connecting the clock to incorrectly set slave line may cause damage to the analog clock movements.
  • Page 14 Switch the DIP switch on clock PCB to LINES position. 4.3. GPS Antenna Connection 4.3.1. Integrated GPS Receiver The magnetic GPS antenna can be connected to the HN 61a Master clock. Place the GPS antenna to your desired location. Connect the cable from the antenna to GPS terminal.
  • Page 15 4.3.2. External GPS Receiver An external GPS receiver with DCF code output, e.g. GNSS 4500, can be connected to the HN 61a Master clock as a source of synchronization signal (e.g. if a sufficiently long extension of the coaxial cable of the magnetic GPS antenna is not available).
  • Page 16 Connection HN 61a – Mini Master Clock | User Manual Connection of school bells 4.5. Synchronization of Sub-Master Clock Using DCF Current Loop BE-801455.0-HN 61a | 2025...
  • Page 17 HN 61a – Mini Master Clock | User Manual Information Screens 5 Information Screens In the Basic Mode, you can scroll through the information screens on the LCD display. MASTER Time and date information, manual time and date adjustment. LINE Information about the state of slave line;...
  • Page 18 Information Screens HN 61a – Mini Master Clock | User Manual 5.1. Screen MASTER Main / basic screen. From all “screens” you can jump back into the MASTER screen by operating the x button. The display shows following: 10:08:57 Fr I #Ą 25.04.2025s  USB...
  • Page 19 HN 61a – Mini Master Clock | User Manual Information Screens Button function Save entered values and return to MASTER screen Exit without saving Press the + button. The cursor flashes now on the position of the hours. Enter the time value in the →...
  • Page 20 Information Screens HN 61a – Mini Master Clock | User Manual 5.2. Screen LINE This screen shows the operation state of the slave line (analogue or digital clock), to display this screen, press the > button from the screen MASTER.
  • Page 21 HN 61a – Mini Master Clock | User Manual Information Screens Button function <> Move between items Switch flasing item (holding down the button will cycle through the options) Save edited values and return to LINE screen Exit without saving...
  • Page 22 Information Screens HN 61a – Mini Master Clock | User Manual 5.3. Screen CHANNEL This screen is displayed when push gradually the > button from the screen MASTER. 5.3.1. Controlling by Active Weekly Program or Manually The CH1 channel is set to this channel control mode by default.
  • Page 23 HN 61a – Mini Master Clock | User Manual Information Screens Selected channel Channel state Indication of channel lock on20:59 Time of illumination ON off04:59 Time of illumination OFF Button function Entry to the coordinate setting and channel switching on / off correction (see Switching Illumination...
  • Page 24 Information Screens HN 61a – Mini Master Clock | User Manual 5.4. Screen STRIKING This screen is displayed when push gradually the > button from the screen MASTER. 5.4.1. Audio Striking Functional only if striking is activated in the menu. Displays the time period when striking is off and the type of striking.
  • Page 25 HN 61a – Mini Master Clock | User Manual Information Screens 5.5. Screen SYNCHRONIZATION QUALITY This screen is displayed when push gradually the > button from the screen MASTER. The value in indicates the reception quality of the last hour if the synchronization was successful at least once.
  • Page 26 Information Screens HN 61a – Mini Master Clock | User Manual 5.6. Screen ALARMS Displays the current alarm word and the number of active alarms (memory for up to 50 alarms). The display shows following: Alarms:  7 0x0081 Alarms: 7 Number of active alarms...
  • Page 27 HN 61a – Mini Master Clock | User Manual Information Screens 5.6.2. List of Possible Alarms GPS sync • DCF+I1 sync • ACCU ovr • VDC ovr • 24h sync • Power on • Calibration • L1 overload • BE-801455.0-HN 61a | 2025...
  • Page 28 Information Screens HN 61a – Mini Master Clock | User Manual 5.7. Screen VERSION This screen is displayed when push gradually the > button from the screen MASTER. The display shows following: HN61a.S4 v1.0.0    0x0081 HN61a.S4 Type of Master clock v1.0.0 Software version (current as of 23.05.25)
  • Page 29 HN 61a – Mini Master Clock | User Manual Main Menu 6 Main Menu Main menu Press the v button to enter the from screen MASTER. The display shows following: Main menu        Time zone        Options Synchronization Set up synchronization source, see Synchronization Settings chapter...
  • Page 30 Main Menu HN 61a – Mini Master Clock | User Manual 6.1. Synchronization Settings The synchronization type is preset to Main menu Synchronization press the > button to select and proceed to enter its setting by pressing v button. The display shows following: Type:        GPS...
  • Page 31 Main Menu 6.2. Time Zone Settings This functon is used to set time zones of slave line, channel, local time and synchronization source. See all available MOBATIME time zones in Time Zones Table chapter. Main menu Time zone press the > button to select and proceed to enter its setting by pressing v button.
  • Page 32 Main Menu HN 61a – Mini Master Clock | User Manual 6.3. Slave Line Settings Set the L1 Slave line parameters according to the type of connected Slave clock, enter the line type, pulse, gap length and cycle type. Main menu Slave line 1 press the >...
  • Page 33 HN 61a – Mini Master Clock | User Manual Main Menu Cycle Select pulse lines cycle according to mode in which slave clock operates: Half-day, 12 hours (analogue clock) Daily, 24 hours (digital clock) Impulse Parameters Impulse Line Length Enter the pulse duration in tenths of seconds:...
  • Page 34 Main Menu HN 61a – Mini Master Clock | User Manual Button function in ‘item edit’ mode <> Move between items Switch flasing item (holding down the button will cycle through the options) Save edited values and return to page view Exit without save and return to page view 6.3.2.1.
  • Page 35 HN 61a – Mini Master Clock | User Manual Main Menu 6.3.4. Offset Settings In line can be set to time shifts version time on the Master clock – offset. By default, the offset is set to By setting a negative / positive value, the time on the line is delayed / overtaken by the value set on the set offset, e.g. at an offset value...
  • Page 36 Main Menu HN 61a – Mini Master Clock | User Manual 6.4. Channel Settings – Channel Parameters Use this function to set the channel switching mode. Main menu Channel setup press the > button to select and proceed to enter its setting by pressing v button.
  • Page 37 HN 61a – Mini Master Clock | User Manual Main Menu 6.4.2. Switching Illumination by Calculated Sunrise and Sunset Time Main menu Channel setup press the > button to select and proceed to enter its setting by pressing v button.
  • Page 38 Main Menu HN 61a – Mini Master Clock | User Manual 0°00’ 89°59’ N (S) Latitude 0°00’ 179°59’ E Longitude 6.4.3. Switching MUTE Signal The menu is used to set the switching of the MUTE signal of the external amplifier and its advance before and after the audio output. It can only be used with a clock with audio output.
  • Page 39 HN 61a – Mini Master Clock | User Manual Main Menu 6.5. Weekly Program Allows you to edit switching program for the selected channel. Capacity of 399 program lines. Weekly program entries can be edited, added or deleted. Main menu Weekly program press the >...
  • Page 40 Main Menu HN 61a – Mini Master Clock | User Manual Button function <> Move between records Add new record Delete selected record Edit selected record Return to channel selection Button function in ‘item edit’ mode <> Move between items...
  • Page 41 HN 61a – Mini Master Clock | User Manual Main Menu Day in which the program line will be executed Day in which the program line will not be executed 6.5.2. View and Edit AUD Program Audio Recordings Playback is possible only from connected USB Flash drive.
  • Page 42 Main Menu HN 61a – Mini Master Clock | User Manual 6.5.2.2. Switching Modes Switch on Switch off Channel will be switched on for specific duration (01–99 s) 6.5.2.3. Date dd.mm. dd.mm. If you enter the value in the date field ( ), this position will always be considered valid.
  • Page 43 HN 61a – Mini Master Clock | User Manual Main Menu 6.6. Striking This function is used to set up striking. Main menu Striking press the > button to select and proceed to enter its setting by pressing v button.
  • Page 44 Main Menu HN 61a – Mini Master Clock | User Manual Audio files Striking type minute minute minute minute full hour bell15.wav bell30.wav bell45.wav bell60.wav bellxh.wav bell30.wav bellxh.wav – – bellxh.wav – bell1h.wav – – Button functions: Enter item setting...
  • Page 45 HN 61a – Mini Master Clock | User Manual Main Menu 6.7. Load Channels If the USB Flash drive is inserted into the USB connector, you are able to load prepared switching programs to Master clock. When loaded, the existing entries in the memory for all switching programs will be deleted.
  • Page 46 Technical Data HN 61a – Mini Master Clock | User Manual 7 Technical Data 7.1. Basic Data Moutning DIN rail Slave clock line Number of slave clock lines Types Polarized minute / half-minute / second impulses MOBATIME serial code MOBALine Electrical parameters 12 / 24 V, max.
  • Page 47 HN 61a – Mini Master Clock | User Manual Technical Data Power Supply AC (mains) 115 or 230 VAC ±5 %, 50–60 Hz 24 VDC ±5 %; 13 VDC ±10 % Accuracy (at approx. 20 °C) Without synchronization ±0.1 s/day (after 24 hours of synchronization at constant...
  • Page 48 Technical Data HN 61a – Mini Master Clock | User Manual Power source 230 VAC ± 10 % 24 VDC ± 5 % 13 VDC ± 10 % Fitted jumper ACCU connect – ✓ Voltage type AC voltage, sine 50–60 Hz...
  • Page 49 HN 61a – Mini Master Clock | User Manual Time Zones Table 8 Time Zones Table Time zones are a system of dividing the Earth’s surface into regions, each with its own unique time offset from UTC (Coordinated Universal Time) or GMT (Greenwich Mean Time) and which may have different rules for change seasonal time. This division allows for consistent and synchronized timekeeping across the globe.
  • Page 50 Time Zones Table HN 61a – Mini Master Clock | User Manual City / State Standard → DST DST → Standard Offset Brisbane, Guam, Port Moresby, Vladivostok Sydney, Canberra, Melbourne, Tasmania: Hobart Sunday October Sunday April (02:00) (03:00) UTC (GMT) UTC (GMT) Honiara (Solomon Is.), Magadan, Noumea (New...
  • Page 51 HN 61a – Mini Master Clock | User Manual Time Zones Table City / State Standard → DST DST → Standard Offset Adak (Aletuian Is.) Sunday March Sunday (02:00) November (02:00) UTC (GMT) UTC (GMT) UTC (GMT) UTC (GMT) UTC (GMT)