Landis+Gyr CU-B1 User Manual Download Page 1

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Communication

Industrial and Commercial

CU-B1, B2, B4

E65C

User Manual

Date: 18.04.2016
File name: D000011142 E65C CU-Bx User Manual en k.docx

© Gyr

D000011142 en k

Summary of Contents for CU-B1

Page 1: ...Communication Industrial and Commercial CU B1 B2 B4 E65C User Manual Date 18 04 2016 File name D000011142 E65C CU Bx User Manual en k docx Landis Gyr D000011142 en k ...

Page 2: ... agents and employees disclaim any and all liability for any errors inaccuracies or incompleteness relating to the product Landis Gyr makes no warranty representation or guarantee regarding the performance quality durability or suitability of the products for any particular purpose To the fullest extent permitted by law Landis Gyr disclaims 1 any and all liability arising out of the use of the pro...

Page 3: ...Function 14 4 1 Pulse inputs S0 interfaces 14 4 2 RS485 interface 14 4 3 RS232 interface 15 4 3 1 Receive and transmit times 15 4 3 2 Function of LEDs 16 4 4 Application of interfaces 17 5 Installation and commissioning 19 5 1 Introduction 19 5 2 Material and tools required 19 5 3 Fitting the communication unit CU Bx 20 5 4 Connecting the communication unit CU Bx 21 5 4 1 Connecting the signal inp...

Page 4: ...erformance of all work throughout the service life of the communication unit CU Bx installation commissioning operation maintenance decommissioning and disposal The contents of this user manual are intended for technically qualified per sonnel of energy supply companies responsible for the system planning installation and commissioning operation maintenance decommissioning and disposal of the mete...

Page 5: ...he RS485 interface can be used for simple remote reading e g with several meters The RS232 interface remains free for local use or serves for the connection of an external communication device e g modem With version CU Bx the RS232 interface provides additional functions such as time window or initializing of the external modem Any other use of the communication unit is considered improper 1 1 3 T...

Page 6: ...ironment and connecting cable normally up to 0 5 m Insulation resistance to meter 4 kVAC 50 Hz 1 min creep distance min 6 2 mm RS485 interface Type symmetric serial asynchronous bi directional interface Application Versions CU B1 CU B2 CU B4 Standard ISO 8482 Operating conditions Signal condition binary 1 difference voltage 0 2 V DC Signal condition binary 0 difference voltage 0 2 V DC Max bit rat...

Page 7: ...and connecting cable up to 15 m Insulation resistance to meter 4 kVAC 50 Hz 1 min creep distance min 6 2 mm 1 2 2 External influences Same as meters see meter operating instructions 1 2 3 Weight and dimensions Weight approx 80 g Width 65 mm Height 103 mm Depth 38 mm 1 2 4 Connections Pulse inputs S0 interface Type screwless spring loaded terminals Communication interfaces RS232 and RS485 Type RJ12...

Page 8: ...n p c b connector Fig 4 Internal connections at rear of communication unit CU Bx 1 2 5 Connection diagram DC DC 23 20 21 22 S01 S02 DC DC DC DC 6 5 DSR RxD RS485 5 4 3 2 a b 4 3 DTR GND 2 1 TxD CTS RS232 6 1 c Fig 5 Connection diagram communication unit CU B1 B4 CTS Clear To Send TxD Transmitted Data GND Signal ground DTR Data Terminal Ready RxD Received Data DSR Data Set Ready In the transparent ...

Page 9: ...ription 9 30 D000011142 en k E65C CU B1 B2 B4 User Manual Landis Gyr 23 20 21 22 S01 S02 DC DC RS485 b a 5 4 3 2 6 1 5 4 3 2 6 1 c DC DC Fig 6 Connection diagram communication unit CU B2 c Ground a Data a b Data b ...

Page 10: ...y information also describes the type and source of the danger its possible consequences and measures for avoiding the danger Failure to use the equipment as described in this manual may result in circumventing the protection afforded by the design of the equipment 2 2 Responsibilities The owner of the meters usually the utility company is responsible for assuring that all persons engaged in worki...

Page 11: ...ust be short circuited at the test terminal block without fail before opening The high voltage produced by the interrupted current transformer is dangerous to life and destroys the transformer Transformers in medium or high voltage systems must be earthed on one side or at the neutral point on the secondary side Otherwise they can be statically charged to a voltage which exceeds the insulation str...

Page 12: ...tted in the field if necessary Fig 7 Communication unit CU Bx fitted in meter 1 Meter 2 Communication unit CU Bx 3 Front door The communication unit CU Bx has the following connections see also section 1 2 4 1 2 Fig 8 Connections for communication unit CU Bx 1 10 pin meter connector 2 4 pin meter connector 3 Interface connecting terminals 1 2 3 23 20 21 22 S01 S02 DC DC 72 620 548 2 Landis Gyr Dia...

Page 13: ... Dialog CU B1 1 2 3 5 CON Rx Tx 4 Fig 9 Face plate of the communication unit CU Bx example CU B1 1 Serial number 2 Diagram of pulse inputs only on CU B1 3 and dlms symbol depending on parametrizing 4 Transmit receive diodes 5 Double protective insulation according to IEC 61010 second version 2001 2 overvoltage category III The face plate can contain other data specific to the country e g warnings ...

Page 14: ... pulses from meters connected via the S0 interfaces are each fed to a total energy register and in versions with demand recording to a P run ning register If the meter has a data profile memory it can also record the energy status and or the mean value of demand P running of the external meters in the data profile 4 2 RS485 interface The serial bi directional RS485 interface is standardised to ISO...

Page 15: ...e and transmit times When used in the telephone answering mode TAB the control centre peri odically calls the measuring point to read the data synchronize the time or to transmit timer tables or other parameters The receive time can be limited for incoming calls in order to operate other units with the same telephone line If the units are connected in parallel with the same telephone line the num ...

Page 16: ...meter daily weekly or monthly during a defined time window from control centre to meter daily weekly or monthly during a defined time window with additional emergency window The emergency window is open to the control centre 24 hours after the regular time window if the meter has not called there during the regular time window Outside of the time window the modem accepts no call or only after a la...

Page 17: ...g 13 Example of an application of CU B1 B4 as master together with CU B2 as slaves This application permits several up to 31 ZxDxxxAT CT meters to be con nected with one communication unit CU B2 as slaves to one meter with communication unit CU B1 or CU B4 as master The two terminals of the RS485 interface are looped internally see also Fig 6 and serve as con nections from one meter to the next as...

Page 18: ...h CU B1 B4 RS485 RS232 Meter with CU B1 B4 RS485 RS232 Meter with CU B1 B4 RS485 Fig 14 Example of an application of several CU B1 B4 As in the first example several up to 32 ZxDxxxAT CT meters can be connected via the RS485 interface for common readout The difference to application 1 however is that all communication units have a free RS232 interface which can serve for temporary service function...

Page 19: ...persons These persons must be familiar with and observe the normal local safety regulations Strictly observe the details in section 2 Safety in particular the safety regulations as well as all information concerning safe operation in this section Before starting work check that the material and tools required are all present as in section 5 2 5 2 Material and tools required The following material ...

Page 20: ... parts is dangerous to life Disconnect the meter from the power supply as described in the meter operating instruc tions The communication unit CU Bx should be fitted in the meter as follows 1 Ensure that no voltage is applied to the meter 2 Remove the company seals on the front door and terminal cover 3 Open the front door and remove the terminal cover Fig 15 Meter prepared for fitting communicat...

Page 21: ...installation of the communication unit CU Bx Contact with live parts is dangerous to life Remove the corresponding fuses and keep these in a safe place until completing the work so that other persons cannot replace them unnoticed Open the voltage connections in the test terminal block e g TVS14 For this purpose release the screw of the relevant jumper with an insulated screwdriver move the jumper ...

Page 22: ... diagram Insert a size 1 screwdriver in the upper opening and insert it turning slightly upwards Fig 17 A Now place the stripped connecting wire in the lower opening and hold it there securely Fig 17 B Withdraw the screwdriver The connecting wire is then firmly fixed Fig 17 C approx 4 mm A B C Fig 17 Connection in screwless spring loaded terminals Correct length of insulation The insulation of the...

Page 23: ...t sock ets RS232 left RS485 right until the connectors can be heard to engage 5 4 3 Pin allocation RS232 Connection to PC terminal or laptop Data receiver Meter with CU Bx DB 9 socket RJ12 socket Pin Signal Direction Pin Signal 7 RTS 1 CTS 2 RxD 2 TxD 5 GND 3 GND 6 DSR 4 DTR 3 TxD 5 RxD 4 DTR 6 DSR Significance of signals CTS Clear To Send RTS Request To Send for connection to modem TxD Transmitte...

Page 24: ...ed not be used RTS at the DB 9 socket should be connected to DTR at the RJ12 socket so that the RTS input to the modem has a defined potential RTS must also be set to logic 1 5 4 4 Connecting the RS485 interface Connect the RS485 interface according to the diagram on the faceplate External wiring of RS485 In order to function correctly all 3 wires data a data b and Common GND must be connected RS4...

Page 25: ...lace until work is completed to prevent other persons re inserting them unnoticed The installed meter with installation unit CU Bx should be put into operation and checked as follows 1 Connect a signal source to the interface to check the S0 interface If the meter is prepared for processing the signal check after a time whether the register s concerned has have changed 2 Perform a data readout via...

Page 26: ...es and keep them in a safe place until installation is completed to prevent other persons replacing them unnoticed 2 Remove the company seals on the front door and terminal cover 3 Remove the terminal cover and open the front door 4 Remove the communication unit CU Bx from the meter by pulling on the flap at the left top side 6 2 Repairing the communication unit CU Bx Communication units CU Bx mus...

Page 27: ...nts must be approved by local regulatory authorities The end processing of the product and recycling of its components must always be carried out in accordance with the rules and regulations of the country where the end processing and recycling are done On request Landis Gyr will provide more information about the environmental impact of the product Disposal and environmental protection regulation...

Page 28: ...tions 8 ISO 8482 6 Material and tools required for installation 19 Maximum voltage 6 Measures in event of faults 26 Mechanical construction 12 Modem 15 Modem configuration 24 Multipoint network 14 Outputs 6 P c b connector 8 Pin allocation RS232 23 Pulse inputs 6 14 Pulse specification of S0 interface 14 Purpose of this user manual 4 Purpose of use 5 Rated voltage 6 Receive and transmit times RS23...

Page 29: ...Index 29 30 D000011142 en k E65C CU B1 B2 B4 User Manual Landis Gyr ...

Page 30: ...Contact Landis Gyr AG Theilerstrasse 1 CH 6301 Zug Switzerland Phone 41 41 935 6000 www landisgyr com ...

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