DVG ITVC Series, Руководство пользователя

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ITVC Series – Intelligent Total Valve Controller IOM-ITVC-LB-04
DVG AUTOMATION S.p.A.
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SHEET 3 DI 28
DVG ITVC Series – “ Intelligent Total Valve Controller ”
ANNEX B : Line Break and Line Break -differential
1 Introduction .......................................................................................................................................... 5
2 Line Break protection system ................................................................................................................ 6
3 Line Break (LB) ...................................................................................................................................... 6
3.1 Operating mode ........................................................................................................................... 7
3.2 Enable/Disable Valve Control........................................................................................................ 8
3.3 Working parameters ..................................................................................................................... 8
3.4 Acqui Valve Control operating mode ................................................................................. 9
3.5 Remote signalling ......................................................................................................................... 9
3.6 Local signalling ............................................................................................................................10
3.7 Analogue inputs architecture .......................................................................................................10
3.8 Output to drive the SOV ..............................................................................................................10
3.9 CPU redundancy ..........................................................................................................................10
3.10 Diagnostics ..................................................................................................................................11
3.10.1 CPU diagnostics ...................................................................................................................11
3.10.2 Analogue inputs diagnostics .................................................................................................11
3.11 LB menu in the ITVC HMI .............................................................................................................13
3.11.1 Enable / Disable Valve Control .............................................................................................14
3.11.2 LB parameters .....................................................................................................................15
3.11.3 LB Sensor option ..................................................................................................................17
3.11.4 LB options in the MEASUREMENT menu of ITVC HMI ...........................................................18
4 Line Break differential (LB-d) ............................................................................................................... 19
4.1 Operating mode ..........................................................................................................................19
4.2 CPU redundancy ..........................................................................................................................20
4.3 Output to drive the SOV ..............................................................................................................20
4.4 Diagnostic ...................................................................................................................................20
4.5 LB-d menu in the ITVC HMI ..........................................................................................................21
4.6 LB-d Sensor option ......................................................................................................................21