Siemens SENTRON VL Series System Manual page 4

Table of contents
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
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3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02