Siemens SENTRON VL Series

Table of contents
3WL/3VL circuit breakers with communication capability - PROFIBUS
4 System Manual, 03/2011, A5E01051353-02
3.4 Functions and parameters .......................................................................................................... 53
3.4.1 Important functions and parameters for communication............................................................. 53
3.4.2
Load management ...................................................................................................................... 54
3.4.3
Extended protection function....................................................................................................... 55
3.4.4
Threshold values......................................................................................................................... 56
3.4.5
Lower limit of power transmission............................................................................................... 56
3.4.6
Direction of incoming supply ....................................................................................................... 56
3.4.7
Events and tripping operations ................................................................................................... 57
3.5
External CubicleBUS modules.................................................................................................... 58
3.5.1
General information..................................................................................................................... 58
3.5.1.1
Rotary coding switch................................................................................................................... 59
3.5.1.2
Installing the CubicleBUS modules............................................................................................. 59
3.5.1.3
Connection of the power supply.................................................................................................. 59
3.5.1.4
Maximum configuration of the CubicleBUS ................................................................................ 60
3.5.1.5
Installation guidelines for the CubicleBUS.................................................................................. 61
3.5.1.6
Connection of external CubicleBUS modules............................................................................. 61
3.5.1.7
LED indicator............................................................................................................................... 64
3.5.1.8
Test of the digital input and output modules ............................................................................... 65
3.5.2
Digital input module..................................................................................................................... 67
3.5.2.1
Parameter set changeover.......................................................................................................... 68
3.5.2.2
Technical data............................................................................................................................. 69
3.5.3
Digital output module with rotary coding switch.......................................................................... 69
3.5.3.1
Technical data............................................................................................................................. 71
3.5.4
Configuration of the digital output module .................................................................................. 72
3.5.4.1
LED indicator............................................................................................................................... 73
3.5.4.2
Technical data............................................................................................................................. 76
3.5.5
Analog output module ................................................................................................................. 76
3.5.5.1
Selecting the measured values................................................................................................... 77
3.5.5.2
Test function................................................................................................................................ 81
3.5.5.3
Technical data............................................................................................................................. 81
3.5.6
ZSI module.................................................................................................................................. 81
3.6
Measuring accuracy .................................................................................................................... 82
3.6.1
3WL breaker measuring accuracy .............................................................................................. 82
3.7
External current consumption with CubicleBUS ......................................................................... 83
3.7.1
Power required by a SENTRON WL with CubicleBUS............................................................... 83
3.7.2
Selecting the power supply ......................................................................................................... 84
4
3VL molded-case circuit breaker ............................................................................................................. 87
4.1
Brief description .......................................................................................................................... 87
4.1.1
Brief description of SENTRON VL .............................................................................................. 87
4.1.2
Overview of the accessories ....................................................................................................... 88
4.1.3
Properties of the trip units ........................................................................................................... 90
4.1.4
Electronic overcurrent tripping systems...................................................................................... 90
4.1.5
Protection functions..................................................................................................................... 90
4.1.6
Data transfer via PROFIBUS DP ................................................................................................ 93