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COMPASS

STD22

Change Over Box

138--119

3769DOC000002

Edition: April 06, 2005

Description

1.1

Change Over Box Type 138--119

The Change Over Box Type 138--119 is used to operate redundantly two
compass--systems.

It serves to switch--over automatically or manually of up to 12 different signals.

Heading

Receiver

Change-

Over Box

138--119

Compass
System 2

Compass
System 1

Figure 1:

Principle of switching--over

Содержание 138-119

Страница 1: ...OVN b p K K J K R 3769DOC000002 Edition April 06 2005 Revision December 08 2005 Change Over Box Type 138 119 Operator and Service Manual 1 Description 2 Function of the Change Over Box 3 Installation...

Страница 2: ...re liable to the payment of damages Toute communication ou reproduction de ce document toute exploitation ou communication de son contenu sont interdites sauf autorisation expresse Tout manquement cet...

Страница 3: ...Over Box is not equipped with an interlocking mechanism Before Maintenance or Repair the device has to be separated from supply voltage ATTENTION Maintenance and Repair have to be performed only by t...

Страница 4: ...r Box A difference alarm G G or G M does not lead to a switch over in the Change Over Box At one of the two Operator Units the automatic switch over function G G or G M has to be set Thus ensures a sw...

Страница 5: ...ork 19 3 3 1 Special features for operating a system with a Change over Box 20 3 3 1 1 Special features for DV bus operation 20 3 3 1 2 Special features for connected Rate Gyro 21 3 3 1 3 Special feat...

Страница 6: ...wer Supply 1 fails 42 6 6 Power Supply 2 fails 42 6 7 Magnetic sonde 1 fails 43 6 8 Magnetic sonde 2 fails 43 Drawings Change Over Box Dimensional Drawing 138 119 HP005 Change Over Box Bauschaltplan W...

Страница 7: ...Over Box Type 138 119 The Change Over Box Type 138 119 is used to operate redundantly two compass systems It serves to switch over automatically or manually of up to 12 different signals Heading Rece...

Страница 8: ...Change Over Box 138 119 2 3769DOC000002 Edition April 06 2005 Bottom view top view Figure 2 Change Over Box Type 138 119...

Страница 9: ...dant operation standard operation of the compass equipment Change Over Switch position Automatic During standard operation a switching over to the other system takes place if a fault occurs By manual...

Страница 10: ...all mounted Cable inlet below Main Fuse Terminal board 2 x T10 A 250 V Nominal voltage range Relays 18 36 VDC Operating voltage Mains supply 24 VDC Power consumption Relays max 1 A Number of Relays 18...

Страница 11: ...to switch over between the output signals of both systems The diagram below shows the principle of switching over including the fault monitoring of Compass system 1 A B C A B C A In1 A In2 B In1 B In...

Страница 12: ...erves to prevent effects to the Change Over Box in case of a fault in a connected heading receiver NOTE A m Figure 4 shows a principle of switch over The actual connections are shown in the appended w...

Страница 13: ...itch position Mode Status 1 Auto matic Normal mode Output of System 1 at the outputs of the Change Over Box In case of a fault in System 1 switching over to System 2 2 Sys1 System 1 Output of System 1...

Страница 14: ...relay System Failure in the DU1 Thus the 24 V DC switching voltage is switched to the Change Over Box via the Change Over Switch All relays of the Change Over Box operate and switch the outputs of th...

Страница 15: ...ailure The Change Over Box does not switch signals from the outputs of the Distribution Unit 1 to the heading receivers 2 1 3 Switch position System 2 If the Change Over Switch is switched into positi...

Страница 16: ...Change Over Box 138 119 10 3769DOC000002 Edition April 06 2005 intentionally left blank...

Страница 17: ...that there are no live cables If necessary carry out measurements and switch off the respect ive power distribution ATTENTION Installation is to be performed only by trained personnel which is familia...

Страница 18: ...x may not be installed within an oil vapour area Not down in the bilge Keep distance to other equipment to perform cabling to the Change Over Box The cover of the Change Over Box has to be removable t...

Страница 19: ...ed if necessary push the sidewall slightly In order to ensure that the system operates correctly it is essential to follow the procedures described below for establishing cable connections 1 Strip off...

Страница 20: ...hield 6 Push the earthing insert cone below the shielding against the counterpart Make sure that the shielding is evenly over the cone Counternut Wall and DIN socket Earthing insert Cone Counterpart S...

Страница 21: ...iring diagrams ATTENTION It is essential to ensure that these connections have a common reference to ship s earth Any additional components options if there are must also be connected to the common ea...

Страница 22: ...ltage via 2 fuses 6 3 A 24 V to the terminal board of the Change Over Box see also Change Over Box wiring Diagram 138 119 HP008 3 2 1 1 Voltage supply of the connected receiver The connected receivers...

Страница 23: ...signal lines of DU 2 are connected to the normally open contacts of the relay because of lead over from the Change Over Box after switching over to the activated switching status All relays are activa...

Страница 24: ...30 100 300 degree minute 1 x RS 232 serial printer interface 2 x Switching status of the Change Over Box The total amount of relay contacts is shown in the table below No Signal outputs Type of signal...

Страница 25: ...the Change Over Switch is the switch position Automatic only in ex ceptional cases it should be switched to Sys1 or Sys 2 One of these exceptional cases is a non static error in the Compass system 1...

Страница 26: ...on Sys1 Activate the DV bus at the Operator Unit see respective manual The Distribution Unit 1 is set to operate with DV bus application Switch Change Over Switch into position Sys2 Activate the DV bu...

Страница 27: ...y at the Operation Unit in the service menu see also Operator Unit manual no 3648 To monitor a blackout of an external connected Rate Gyro the respective alarm contact of the Rate Gyro has to be analy...

Страница 28: ...the sup ply voltage for the system is switched ON To monitor the LEDs of each relay the cover has to be removed during the function test ATTENTION Pay attention during Maintenance and Repair Avoid con...

Страница 29: ...relays of the Change Over Box All outputs of the DU2 are switched to the outputs of the Change Over Box 3 Switch the Change Over Switch from Sys2 to Automatic No LED lights up at the relays of the Ch...

Страница 30: ...x Heading RMG course bus or NMEA 3x Step 6 steps degree 24 35 V DC max 10 W 1x RS 232 serial interface for printer 1x rate of turn 10V for 30 100 300 degrees min 12 x Status potential free DV Bus CAN...

Страница 31: ...generates an error mess age System Failure in terms of a 24 V DC switch potential to the Change Over Box In the automatic mode this System Failure effects a switching over from the outputs of DU 1 to...

Страница 32: ...NMEA 3 x Step 6 steps degree 24 35 V DC max 10W 1x RS232 serial interface for printer 1x rate of turn 10V for 30 100 300 degrees min 12 x Status potential free DV Bus CAN bus see manual no 3648 see m...

Страница 33: ...e If an error occurs in the DU1 of the compass system1 the DU 1 generates an error mess age System Failure in terms of a 24 V DC switch potential to the Change Over Box In the automatic mode this Syst...

Страница 34: ...wired Block diagram below shows the principle of supplying at the example of STD22 GG R see also block diagram 10 BD D X00013 C Gyro 1 Operator Unit 1 Magnetic Sonde 1 Change Over Box Magnetic Sonde 2...

Страница 35: ...Operator Unit 1 and Distribution Unit 1 are supplied with the necessary voltage from power supply 2 via the Distribution Unit 2 The Change Over Box is supplied with operating voltage via both Distribu...

Страница 36: ...age in the Distribution Unit does not lead to a switch over of the Change Over Box Cause of an error message can be below mentioned disturbances 1 Internal CAN bus of the DU 1 failed 2 Voltage drop of...

Страница 37: ...s of the Change Over Box All relays of the Change Over Box are dropped off The outputs of the Distribution Unit are output from the Change Over Box 4 4 2 System Failure in switch positions Sys1 and Sy...

Страница 38: ...ssages and or alarms can be output out of each Distribution Unit and can be indi cated at external alarm devices systems Only the System Failure of Distribution 1 switches the relays of the Change Ove...

Страница 39: ...t of a Distribution Unit is not displayed at the Op erator Units Therefore it is constraining necessary to connect the error message System Failure from each Distribution Unit to an external alarm dev...

Страница 40: ...Pay attention whilst Maintenance and Repair at electrical devices Avoid contact with cable under load Adhere respective safety regulations as there are VDE BGV A2 OSHA 1919 and other national and int...

Страница 41: ...are protected with fuses see also appended wiring diagram Terminal Application Fuse 1 Supply Voltage Change over Box E1 6 3 A 250 V 2 Supply voltage Change over Box E2 6 3 A 250 V 3 Supply voltage Re...

Страница 42: ...ent has to have zero potential NOTE While closing again the housing after a repair or an installation the cover has to be set carefully The seal may not be crushed if necessary push the sidewall sligh...

Страница 43: ...the system status is according to switch position Sys1 it means the output signals of the Distribution Unit 1 are fed to the Change Over Box If both fuses E1 and E2 are blown all receivers which are...

Страница 44: ...s against contact 5 Detach the clamp retention of the relay and replace the relay 6 Fix the destination label at the relay 7 Plug the signal and supply lines into the respective terminals and tighten...

Страница 45: ...ox Magnetic sonde 1 Change over Switch Magnetic sonde 2 Change over Box Change over Switch Both Operation Units are not significant to the error performance in this considerations be cause of their fu...

Страница 46: ...Unit the system Distribution Unit switches over immediately to Gyro 2 Is this function not selected a manual switch over to Gyro 2 has to be carried out The message Switched to GY2 is displayed only...

Страница 47: ...ncelled 6 3 Distribution Unit 1 fails The Change over Box switches over to the Distribution Unit 2 at once The release of that switching over is the generation of the error message System Failure from...

Страница 48: ...tic Sondes are supplied by the Power Supply 2 Gyro 1 is no longer supplied with operating voltage see also section 6 1 Gyro 1 fails 6 6 Power Supply 2 fails Both Power Supplies are cross connected at...

Страница 49: ...dhere the course monitoring the Change over Switch has to be switched into position 2 In this case the Distribution Unit 2 is selected and the Course Monitor function is performed with the Magnetic So...

Страница 50: ...Change Over Box 138 119 44 3769DOC000002 Edition April 06 2005 intentionally left blank...

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