Landis+Gyr CU-B2 - Device description

Table of contents 3/30
D000011142 en k – E65C CU-B1, B2, B4 – User Manual © Landis+Gyr
Table of contents
Revision history ...................................................................................................................................... 2
Table of contents ................................................................................................................................... 3
About this document .............................................................................................................................. 4
1 Device description ........................................................................................................................ 5
1.1 Review ...................................................................................................................................... 5
1.1.1 General view ....................................................................................................................... 5
1.1.2 Purpose of use .................................................................................................................... 5
1.1.3 Type designation ................................................................................................................. 5
1.2 Technical data ........................................................................................................................... 6
1.2.1 Inputs and outputs ............................................................................................................... 6
1.2.2 External influences .............................................................................................................. 7
1.2.3 Weight and dimensions ....................................................................................................... 7
1.2.4 Connections ........................................................................................................................ 7
1.2.5 Connection diagram ............................................................................................................ 8
2 Safety ........................................................................................................................................... 10
2.1 Safety information ................................................................................................................... 10
2.2 Responsibilities ....................................................................................................................... 10
2.3 Safety regulations ................................................................................................................... 11
3 Mechanical construction ........................................................................................................... 12
4 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 inputs ............................................................................................. 22
5.4.2 Connecting the communication interfaces ......................................................................... 23
5.4.3 Pin allocation RS232 ......................................................................................................... 23
5.4.4 Connecting the RS485 interface........................................................................................ 24
5.5 Commissioning and functional check ...................................................................................... 25
6 Measures in event of faults ....................................................................................................... 26
6.1 Removing the communication unit CU-Bx .............................................................................. 26
6.2 Repairing the communication unit CU-Bx ............................................................................... 26
7 Decommissioning and disposal ................................................................................................ 27
8 Index ............................................................................................................................................ 28