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D. Piccolo Barrel RPC Cable procurement, installation Davide Piccolo INFN Napoli.

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Presentation on theme: "D. Piccolo Barrel RPC Cable procurement, installation Davide Piccolo INFN Napoli."— Presentation transcript:

1 D. Piccolo Barrel RPC Cable procurement, installation Davide Piccolo INFN Napoli

2 D. Piccolo RPC cable Overview

3 D. Piccolo RPC cable status Signal Cable delivery: About 40 km of cable already produced by tecknicabel company (barrel+endcap) Skew test ok HV, LV, DCS cables and connectors ready: Sector 10 and 11 installed Cable installation: Sector 10 and 11 fully cabled. Very useful excercise for future installation and prescriptions for production.

4 D. Piccolo Cable Test HV: cable tested without load, up to 15 KV by the company. HV test after installation at 15 KV One problem found on connector production now solved LV: continuity test by the company continuity and resistence measurement after installation with tester DCS: continuity and inversion test by the company continuity test after installation Tsens: continuity and inversion test by the company readout of the temperature to check continuity after installation SGN: continuity and inversion test by the company skew test done on cables of sector 10 and 11 W+2 future skew test will be done before installation continuity test after installation:

5 D. Piccolo Signal Cables at LB backplane CABLE handler After a first prototype produced we descovered that it doesn’t integrate in a proper way with our needs New simpler cable handler designed. All cables connected to the same LB in the same slit Space for LV cable of LB. To be checked Cables are finally fixed with Cable ties. Two cable handler have been mounted For sector 10 and 11.

6 D. Piccolo Conclusions Cable installation started: sector 10 and 11 of wheel+2 ready procurement of signal cable is going on. Skew OK Production of other cables is going on: sgn cable for W+2 ready at cern HV, LV, DCS for wheel+2 expected after mid of february sgn cabels for W+1 expected by end of february cable installation of other sectors of W+2 will start before the end of february HV connectors problem found: new batch of HV connectors has been produced problem solved we are producing a first prototype of the big HV multicable. all the material is ready

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