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1. News from TPC DCS cooling prototype. Project overview : Aim of the prototype: investigating and developing standard DCS solutions and integrating them in the TPC community 1-st version of the cooling prototype(IROC) was assembled in april 2001, in 161-R024

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slide1

1. News from TPC DCS cooling prototype

  • Project overview:
  • Aim of the prototype: investigating and developing standard DCS solutions
  • and integrating them in the TPC community
  • 1-st version of the cooling prototype(IROC) was assembled in april 2001,
  • in 161-R024
  • had as main features the cooling mechanical structure very similar to
  • the final version
  • control loop was consisting in monitoring the temperature and controlling
  • the input current for heater.

Alice DCS workshop S.Popescu

slide2

T1

T2

T4

T3

Thyr2

Thyr1

Wago mPLC +

I/O modules

PC Windows2000

3)

IROC

WAGO I/O 32

V 2.1

Ethernet

OPC Schneider

V2.2.1

2)

PVSS client

2.12

1)

On/Off

Frigo

1) IROC circuit

T6

Operational Panel

1st ver.

2) Frame circuit

PUMP

Heater1

T5

Heater2

3) FEC circuit

System set-up

Alice DCS workshop S.Popescu

slide3

Control panel for 1 test set-up

Alice DCS workshop S.Popescu

slide7

In progress :

Step 1 qualification of Wago mPLC (in thermolab) consisting in:

-test of system stability

-test of system load (maximum nr. PID loops)

-test of time response with a maximum load

Step 2 studies of other possible solutions :

ELMB (the Atlas Embedded Local Monitoring Board)

The same type of tests will be performed in the next weeks

PT1000 adaptators , software + connection to sensors

finished and working properly

Alice DCS workshop S.Popescu

slide8

Near future:

Step 3 Qualification of new electronics board (FEC),

aim  control of LV full cable length

Wiener PL500 + Slic.OPC + Control Panel

September  161-R024

Implications on control side:

- test of archiving, alarms and database handling

Step 4 Test of cooling for IROC + electronics (45 FEC)

October  TPC laboratory

Step 5 Test for a complete control for 1 IROC:

cooling, LV Wiener PS, FEC, HV Iseg PS

news : Iseg OPC sever exist and is working good

Alice DCS workshop S.Popescu

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