Emerson ROC827 Manuel D’Utilisation

Issued Mar-06 

 

iii 

 

 1-1 

1.1

 

1.2

 

1.2.1

 

Central Processor Unit (CPU) ............................................................................1-5

 

1.2.2

 

Processor and Memory ......................................................................................1-6

 

1.2.3

 

Real-Time Clock (RTC) ......................................................................................1-6

 

1.2.4

 

Diagnostic Monitoring.........................................................................................1-7

 

1.2.5

 

Options ...............................................................................................................1-7

 

1.3

 

1.4

 

1.4.1

 

Historical Database and Event & Alarm Log ....................................................1-11

 

1.4.2

 

Meter Runs and Stations..................................................................................1-12

 

1.4.3

 

Flow Calculations .............................................................................................1-12

 

1.4.4

 

Automatic Self Tests ........................................................................................1-13

 

1.4.5

 

Low Power Modes ............................................................................................1-13

 

1.4.6

 

Proportional, Integral, and Derivative (PID) .....................................................1-14

 

1.4.7

 

Function Sequence Table (FST) ......................................................................1-14

 

1.5

 

1.6

 

1.7

 

1.8

 

 2-1 

2.1

 

2.1.1

 

Environmental Requirements .............................................................................2-2

 

2.1.2

 

Site Requirements..............................................................................................2-2

 

2.1.3

 

Compliance with Hazardous Area Standards ....................................................2-3

 

2.1.4

 

Power Installation Requirements .......................................................................2-4

 

2.1.5

 

Grounding Installation Requirements.................................................................2-4

 

2.1.6

 

I/O Wiring Requirements ....................................................................................2-5

 

2.2

 

2.3

 

2.3.1

 

Removing and Replacing End Caps ..................................................................2-6

 

2.3.2

 

Removing and Installing Wire Channel Covers..................................................2-6

 

2.3.3

 

Removing and Installing Module Covers............................................................2-7

 

2.4

 

2.4.1

 

Installing the DIN Rail.........................................................................................2-9

 

2.4.2

 

Securing the ROC827 on the DIN Rail...............................................................2-9

 

2.4.3

 

Removing the ROC827 from the DIN Rail .......................................................2-10

 

2.5

 

2.5.1

 

Attaching an Expandable Backplane ...............................................................2-11

 

2.5.2

 

Removing an Expandable Backplane ..............................................................2-12

 

2.6

 

2.6.1

 

Removing the CPU Module..............................................................................2-16

 

2.6.2

 

Installing the CPU Module................................................................................2-16

 

2.7

 

2.7.1

 

Installing a License Key....................................................................................2-18

 

2.7.2

 

Removing a License Key..................................................................................2-19