Emerson Process Management 7951 Manuale Utente

1.1 

What this manual tells you 

1.1 

1.2 

Who should use this manual 

1.1 

1.3 

Software versions covered by this manual 

1.1 

2.1 

What this chapter tells you

2.1

2.2 

What the examples show you 

2.1 

2.3 

If you need help… 

2.1 

2.4 

Example 1: 7951 with a 7810/11/12 Gas density transducer 

2.2 

2.5 

Example 2: 7951 with a 3096 Gas specific gravity transducer 

2.6 

2.6 

Example 3: 7951 with a mA-type temperature transmitter 

2.9 

2.7 

Example 4: 7951 with a mA-type pressure transmitter 

2.11 

2.8 

Example 5: 7951 with a PRT-type temperature transmitter 

2.14 

3.1 Background 

3.1

3.2 What 

the 

7951 Dual Channel Gas Signal Converter does 

3.1 

3.3 

Physical description of the 7951 3.2 

3.4 Communications 

3.2 

3.5 Typical 

installations 

3.3 

3.6 

Checking your software version 

3.3 

5.1 

What this chapter tells you 

5.1 

5.2 

Hazardous and non-hazardous environments 

5.1 

5.3 Installation 

procedure 

5.1 

5.4 

Step 1:  Drawing up a wiring schedule 

5.1 

5.5 

Step 2:  Unpacking the instrument 

5.2 

5.6 

Step 3:  Setting DIP-switches 

5.3 

5.6.1 

Analog input DIP-switches 

5.3 

5.6.2 

Turbine voltage selection switch 

5.3