Sierra Not available Manual Do Utilizador

Page 15

1. Introduction ............................................................................. 1

2. Locating System Electronics .................................................. 2

3. Front Panel Functions ............................................................ 3

3.1 Channel Selection .............................................................. 3

3.2

Reading Flow Value .......................................................... 3

3.3

Flow Setpoint Display and Adjustment ................................ 3

3.4

High/Low Alarm Display and Adjustment ........................... 3

3.5

Totalize (Mass Flow Integration) Function ........................... 4

3.5

3.5.1

Reset Totalize Function ........................................... 4

4. Rear Panel Connections ........................................................ 5

4.1

Power Line and Fuse .......................................................... 5

4.2

20-Pin Connectors for Sierra Flow Meters/Controllers .......... 5

4.3

26-Pin I/O Connector ......................................................... 5

4.4

4.3.1

Flow Value Output 0-5 VDC and 4-20 mA................ 5

4.4

4.3.2

Valve Off/Purge/Monitor ......................................... 5

4.4

4.3.3

High/Low Flow Alarm Outputs ................................ 6

4.4 Automatic/Manual Setpoint Selection .................................. 6

5. Maintenance ........................................................................... 7

5.1 Display Adjustment ........................................................... 7

5.2

Zen and Span Adjusted ...................................................... 7

5.3

Factory Service ................................................................. 7

Appendix A:

Specifications ........................................................... 8

Appendix B:

Back Panel Connector, 20-Pin .................................... 9

Appendix C:

Back Panel Connector, 26-Pin .................................. 10

Appendix D:

Alarms for System Electronics .................................. 11

Appendix E:

Wiring Guide .......................................................... 12

Appendix F:

Ratio Control Option ................................................ 13