Summary of Contents for Time & Frequency Solutions M211
- Page 1 Operation Manual M211 Time System 0211EY049N Issue 2 Time & Frequency Solutions Ltd©2007...
- Page 2 This page is intentionally left blank. M211 Time System - Operation Manual...
- Page 3 Preface Purpose This manual has been written as a guide for the operation of Time & Frequency Solutions Ltd’s M211 Time System. Audience This manual is intended for use by engineers & operators responsible for the operation of this equipment.
- Page 4 Revision History Revision History Revision History Issue Date Revision History 09 Nov 2006 Ammended from 0210EY049J Iss 3 ( S Eavery) 29 Aug 2007 Added to DST switch menu (S Eavery) M211 Time System - Operation Manual...
- Page 5 Appropriate procedures must be used when handling these items. Care must be taken in physically handling the system. When lifting the system, appropriate lifting procedures must be followed that appropriate to the weight of the unit. M211 Time System - Operation Manual...
- Page 6 The foregoing warranty is in lieu of all other warranties, expressed or implied, including, but not limited to, any implied warranties of title, merchantability, or fitness for a particular purpose howsoever arising. M211 Time System - Operation Manual...
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Page 7: Table Of Contents
Contents Chapter 1: Introduction to the M211 Time System ............ 1 Chapter 2: M211 Time System Installation ............... 7 Chapter 3: Initialisation of the M211 Time System ............ 9 Chapter 4: M211 Time System Operation ............... 11 Chapter 5: Maintenance & Fault Finding ..............27... - Page 8 This page is intentionally left blank. viii M211 Time System - Operation Manual...
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Page 9: Chapter 1: Introduction To The M211 Time System
The design of the M211 Time System allows inclusion of up to 9 options from a large range of modules within a 3U rack format. This gives the M211 Time System the ability to... - Page 10 Chapter 1: Introduction to the M211 Time System Technical Specification Technical Specification of the M211 Time System Item Specification Display 24 * 2 row backlit LCD 5 mm character height Keypad 5 button keypad for equipment configuration and control Weight...
- Page 11 Chapter 1: Introduction to the M211 Time System M211 Time System Architecture The M211 Time System is designed to accept up to 9 option modules. The option slots are numbered 1 to 9, and when viewed from the rear, correspond from 1 (left hand side) to 9 (right hand side).
- Page 12 Chapter 1: Introduction to the M211 Time System Synchronising Source The M211 Time System can be used with or without Time Receiver options. No Source When the M211 Time System is not fitted with a Time Receiver module, the unit will act as a 24 hour clock. When a time has been entered through the user menu it will also run a calendar function with leap year correction.
- Page 13 Chapter 1: Introduction to the M211 Time System Time Zones, Daylight Savings and Local Time The M211 Time System runs a 24 hour clock from power on. When it acquires time through either a Time Receiver Module or manual time entry, it runs both a Local Time and UTC Time buffer.
- Page 14 Because there is uncertainty as to whether the M211 Time System will receive and handle a pending leap second event a menu item is included to manaully force this event.
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Page 15: Chapter 2: M211 Time System Installation
The M211 Time System can optionally be supplied with slides, which are easily fitted to the side of the chassis. The slides are installed into the 19” rack allowing the M211 Time System to glide easily in and out. Mounting Ears The M211 Time System is supplied with mounting ears to allow its retention in a standard 19"... - Page 16 Voltage Selection Before any external power source is connected to the M211 Time System, confirm that the supply voltage is suitable for its use. Labelling on the rear panel of the M211 Time System indicates the specified input voltage(s). Warning...
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Page 17: Chapter 3: Initialisation Of The M211 Time System
Initialisation of the M211 Time System Powering on the M211 Time System A mains power switch is provided on the M211 Time System and is located on the right hand side of the front panel. The switch is marked POWER. - Page 18 Chapter 3: Initialisation of the M211 Time System When the M211 Time System is switched on, the RAM and ROM for the central CPU are initially tested, followed by tests of any option cards that are fitted to the unit. If all the tests are completed satisfactorily, the M211 Time System will function normally.
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Page 19: Chapter 4: M211 Time System Operation
For ease of understanding, an Operation Manual is available for each Option Module. Accordingly, for information on operation of modules please refer to their appropriate manual. This section refers only to the operation of the M211 Time System. Keyboard Operation... - Page 20 Chapter 4: M211 Time System Operation Display Operation The M211 Time System is provided with a 2-row by 24- character alphanumeric display. In normal operation, when the user menus are not being accessed, the top row of the display indicates date and time, together with general status information.
- Page 21 The top second most right character, here ‘ , indicates the Indication synchronisation status of the M211 Time System. A lower intends case letter shows where the M211 Time System obtain time from. An upper case letter shows from which...
- Page 22 Chapter 4: M211 Time System Operation Menu Operation The user menus are accessed by pressing the ENTER key when the normal Time and Date display is shown. Full details of the user menus are shown in the Menu Structure Section of this manual.
- Page 23 Only the entry of Time and Date are not stored in this way. The M211 Time System will return to the normal Time and Date display 30 seconds after the last key press. Menus are available after the initial start-up message clears following switch on.
- Page 24 During these brief periods, the M211 Time System will still have valid time with stability dependent on the specification of the oscillator fitted. M211 Time System - Operation Manual...
- Page 25 Summer Time. During Summer Time the M211 Time System applies an additional hour. Leap Second When the M211 Time System has its leap second warning set Status a ‘l’ is shown. In the minute leading up to the leap second this changes to ‘L’, indicating that the current minute will...
- Page 26 Chapter 4: M211 Time System Operation Disciplining Status Page This display is indicated by a ‘D’ at the far right of the top line display. It provides status of the disciplining section. If Fri 05/04/04 16:47:52 GD D±12345 16:45:30 +7890ms...
- Page 27 Chapter 4: M211 Time System Operation Menu Structure The following diagram shows the menu structure for the M211 Time System. The menu items are accessed by pressing the ENTER key when the normal Time and Date Display is shown. Pressing the ENTER key will display the Configuration Menu.
- Page 28 Chapter 4: M211 Time System Operation M211 Time System - Operation Manual...
- Page 29 Chapter 4: M211 Time System Operation Configuration Menu >> Initialisation Time & Date This menu is used for manual entry of time and date. Manual entry of time and date can only be completed when the equipment has not synchronised through a Receiver Module.
- Page 30 Please note that this feature may not be enabled on some Savings models of the M211 Time System and therefore this configuration setup will not be present within the menu This menu allows the setup of the Daylight Savings feature.
- Page 31 Chapter 4: M211 Time System Operation The lower row of the display specifies the DST changes for the year selected. The left hand date specifies the date at which DST becomes active, the right hand date specifies the date at which DST becomes inactive and the time on the right hand side specifies the time (local time) at which the change to DST is implemented.
- Page 32 On. Selection is made between IO1 to IO9, CPU (CPU Status display) and DISC (disciplining circuit). Receiver This menu item is available when the M211 Time System has Source more than one time receiver option fitted. This menu defines which Time Receiver source will be used for time synchronisation by the M211 Time System.
- Page 33 Chapter 4: M211 Time System Operation These menu primarily intended obtain service information whilst the M211 Time System remains in use. M211 Time System - Operation Manual...
- Page 34 Chapter 4: M211 Time System Operation Configuration Menu >> Option Setup Under this menu the configuration and setup for each option module can be achieved. By entering this menu a list of option numbers from 1 to 9 are displayed on the screen. Using the LEFT and RIGHT keys, the cursor can be positioned under the appropriate option module that requires configuration.
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Page 35: Chapter 5: Maintenance & Fault Finding
Chapter 5: Maintenance & Fault Finding Maintenance Due to the highly reliable design of the M211 Time System, it is not a normal necessity to perform any maintenance on the unit. The M211 Time System includes comprehensive self-test capability which provides equipment diagnosis. The results of the diagnostic process are provided through the Error Status Menu. - Page 36 ‘y’ defines the Error code as a number (0 - 7). [Module Name]’ ‘ is the name of the module that is reporting the error displayed on the screen. M211 Time System - Operation Manual...
- Page 37 Line Replaceable Unit within the M211 Time System, which may result in an operational problem with it. Error Codes The following table describes the error codes for the M211 Time System Chassis (CPU). M211 Time System Error Codes Error...
- Page 38 Firmware Upgrades Occasionally Time & Frequency Solutions Ltd may release new software to upgrade the reliability and function of the M211 Time System. If firmware has been supplied then please follow the steps outlined below. Firmware 1. Before starting any work on the timing system ensure that Upgrade there is adequate access to the rear and the top of the unit.
- Page 39 Customer Support UK & International After Sales Support Department 25 Eastways Witham Essex CM8 3AL United Kingdom Tel. +44 (0) 1376 514114 Fax +44 (0) 1376 516116 support@timefreq.com www.timefreq.com M211 Time System - Operation Manual...
- Page 40 © Time & Frequency Solutions Ltd 2007...
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