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Industrial Automation for Middle Management: DCS Control System Architecture Notes & Course Material II. General Remarks. Function: Control, monitor and supervise all the detector components and the infrastructure of the experiment; No physics data. Features:

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slide1

Industrial Automation for Middle Management:

DCS Control System Architecture

Notes & Course Material II

slide2

General Remarks

  • Function: Control, monitor and supervise all the detector
  • components and the infrastructure of the experiment;
  • No physics data.
  • Features:
  • Natural integration with other systems (Safety, BeamLine,etc.)
  • A supervisory control hierarchy of loosely coupled sub-systems
  • it includes all levels: from the hardware to the interaction

with the operator

slide3

Detector Control System (DCS)

  • Control various MINOS HV, LV, B-field, Relay,
  • Relay Rack Protection, and Temperature, ….
  • Acquire Beam/Accelerator line data.
  • Read back the HV/LV/Temp,… values, display them

graphically or in tables, and monitor them.

  • Set alarms upon unacceptable conditions.
  • Record the readback values, store them on the system

online DB for future access by user.

slide4

Questions for the DCS System

  • Hardware configuration.
  • Software configuration; What type of SCADA?
  • Beam line data interface.
  • Data-Base interface.
  • DAQ DCS communication.
  • Type of systems to be monitored/controlled.
  • Number of monitored/controlled channels.
slide5

Standard DCS Model

OPI

Operator Interface

OPI

Operator Interface

LAN-ETHERNET

IOC

Input/Output Cntrl

IOC

Input/Output Cntrl

OPI: Operator Interface

IOC: Input/Output Controller

DCS: Detector Control System

slide6

Control and Data Flow

Database

RC

Run

Control

Calibration

System

DCS

Detector

Control

System

Experimental Area

and Accelerator

DAQ/Trigger

Experimental MINOS Devices

Experimental Control

DAQ Data Flow

Control Data Flow

DCS Data Flow

slide7

Magnetic Field Monitor

GPIB

DTM

LAN-ETHERNET

IEEE-488

GPIB-ENET

IOC

OPI

Detector

System

OPI: Operator Interface

IOC: Input/Output Controller

slide8

DCS Architecture

(physical subsystem layout)

Remote

Workstations

OPI

OPI

terminal

OPI

terminal

laptop

Oracle

DB

WAN

SCADA

FNAL

Safety Server

DB

server

OPI

Local

Workstations

OPI

terminal

bridge

bridge

LAN-ETHERNET

I/O Servers

distributed in

Experimental

area

OPC

IOS

IOS

IOS

GPIB-ENET

Beam Server

PLC

GPIB

RS232 GPS

RS232 LeCroy 1440

MIL/STD-1553B fieldbus

CAN fieldbus

Analog/Digital

channels, PLC,

Fieldbuses

PLC

fieldbuses

Beam-line

Experiment Sub-Detectors &

Swics,BPM

Experimental Equipment

Magnets, Scalers

slide9

MIL-STD-1553B System Configuration

LAN MIL-STD-1553B

LAN MIL-STD-1553B

1553

Controller

Control

Status

Tripper

Circuit

AC

BREAKER

D0 Relay Rack

Monitor

Firus Alert Relay Output

External Fault Inputs

Interface

Chassis

Blower Interlock Output

Water Interlock Output

Airflow

Sensor

Drip

Sensor

Humidity

Sensor

Smoke

Sensor

Waterflow

Sensor

slide10

PMT LeCroy HV Monitor

Detector

System

LAN-ETHERNET

RS232

OPI

RS232

to

RS485

LeCroy

1440

LeCroy

1440

LeCroy

1445

LeCroy

1443

LeCroy

1445

LeCroy

1443

IOC

HV to PMT

HV to PMT

OPI: Operator Interface

IOC: Input/Output Controller

slide11

Front End/HUB Monitor

LAN-ETHERNET

CAN Fieldbus

OPI

PCI-CAN

Front End

HUB

Front End

HUB

A/D

Module

A/D

Module

IOC

OPI: Operator Interface

IOC: Input/Output Controller

slide12

A SCADA for industrial Automation

User Process

Utilities

C,C++,VBA

Wizards

SCADA

Engine Process

Alarm handling

Event/Alarm logging

Historical trending

Networking

Device Servers

slide13

DCS Functional Subsystem Layout

RC

Run Control

DAQ/Trigger

FE Controllers

(download constants)

SCADA System

Database

Ethernet

Beam Line

Interface

Slow

Control

Real Time

Database

HV/LV

Magnet

Relay Racks

FE/BE crates

Environment...

RTDB

CAN Fieldbus

RS232

GPIB

Ethernet

slide14

Supervisory Control and Data Acquisition

(SCADA)

  • Commercial systems, typically used in
  • industrial production plants.
  • Examples such as:
  • LabVIEW/BridgeVIEW from NI
  • FIX from Intellution
  • EPICS, etc.
  • Work to do after the choice of the SCADA
  • Adding our functionality
  • Interface to DAQ
slide15

DAQ & DCS

  • Operationally independent
  • Different architecture and technologies
  • Linked for information exchange

signals and messages

  • Possible big overlap of software

development tools GUIs, other application

  • DCS interfaces to DAQ services (DB)
  • DCS provides information to DAQ about
  • “external systems”
slide16

CAN FIELDBUS

The Controller Area Network:

  • Is a high-integrity serial data communication bus for real-time appl.
  • Operates at data rates of up to 1Mb/sec
  • Has excellent error detection
  • Was originally designed for the automotive companies
  • It is now being used in many other industrial automation and
  • control applications
  • It has been recommended as a CERN standard by the

Working Group on Fieldbuses together with PROFIBUS and WORLDFIP

slide17

MIL-STD-1553 FIELDBUS

  • Is the standard for data communication over twisted pair cabling
  • on board military platforms.
  • Operates at 1MHz clock.
  • Bus lengths >100meters.
  • High noise rejection/Very robust.
  • FNAL/D0 uses it for Relay Rack monitor
  • 1U rack profile
  • 64 A/D channels
  • 8 D/A channels
  • 4 Binary channels
slide18

Type of Subsystems (1)

1) Steel plates

Thermal sensors

Interlocks

2) Magnet

a) Hall probes

b) Magnet coil

a) Coil power supplies

b) Coil Cooling system

Thermal sensors

electrical sensors

Interlocks

3) Scintillator detector

a) HV monitor/control

b) PMT integrated current monitor

4) Electronics

a) Front end units

b) Hubs and interface crates

c) GPS control and Spill monitoring

5) Relay Rack safety monitoring

slide19

Type of Subsystems (2)

6) Environmental conditions

a) temperature, humidity, dew point, ventilation

7) Various scalers to monitor the rates of the detector

8) Beam-line monitor (Swics, BPM, rates, etc.)

9) Miscellaneous

a) Disk/Memory usage

slide20

FIX-Dynamics

  • Fix-Dynamics is a version of the PC program FIX (for Fully
  • Integrated Control System) by Intellution.
  • This is an “Industrial Automation Software System” which allows
  • a PC to control and monitor equipment, in industrial and other
  • setting. CDF-FNAL uses this system for RunII.
  • Features of Fix-Dynamics:
  • Full color graphics capability for graphs, controls, etc.
  • User defined alarms setup (with multiple levels of limits in DB).
  • Extensive internet support.
  • Supports various hardware: PLC, RS232, GPIB, ….
  • Avoids extensive programming effort.
  • Don’t need several full time people to support the DCS.
  • Easy learning curve.
  • Provides interface for creating user pages, trend plots, etc.