Yokogawa EJX930A User Manual

Page 7

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IM 01C25T02-01E

A7.4

Software Download Sequence ..................................................................... A7-2

A7.5

Download Files ............................................................................................... A7-2

A7.6

Steps after Activating a Field Device ........................................................... A7-3

A7.7

Troubleshooting ............................................................................................. A7-3

A7.8

Resource Block’s Parameters Relating to Software Download ............... A7-4

A7.9

System/Network Management VFD Parameters Relating to Software

Download ........................................................................................................ A7-5

A7.10 Comments on System/Network Management VFD Parameters Relating to

Software Download ....................................................................................... A7-6

Appendix 8. Advanced Diagnostics ............................................................A8-1

A8.1

Multi-sensing Process Monitoring ............................................................... A8-1

A8.2

Impulse Line Blockage Detection (ILBD) .................................................... A8-1
A8.2.1

Blockage Detection ..........................................................................A8-3

A8.2.2 Combination of Reference Result and Blockage Detection ............A8-5
A8.2.3

Operating Parameters .....................................................................A8-6

A8.2.4

Operating Procedure .......................................................................A8-7

A8.2.5

Alarm and Alert Setting ....................................................................A8-8

A8.2.6

Condition Check .............................................................................A8-10

A8.2.7

Obtain Reference Values ...............................................................A8-10

A8.2.8

Capability Test of Blockage Detection Operation ..........................A8-11

A8.2.9

Start ILBD Operation ......................................................................A8-12

A8.2.10 Tuning ............................................................................................A8-12
A8.2.11 Reset of Reference Value ..............................................................A8-13
A8.2.12 ILBD Parameter Lists .....................................................................A8-14
A8.2.13 Checklist .........................................................................................A8-17

A8.3

Heat Trace Monitoring ................................................................................. A8-22
A8.3.1

FLG_TEMP_COEF Setting ...........................................................A8-23

A8.3.2

Alert and Alarm Setting ..................................................................A8-23

A8.3.3

Assignment of FLG_TEMP_VAL to Process Value (PV) in AI Function

block ..............................................................................................A8-23

A8.3.4

Analog Alert ....................................................................................A8-23

A8.3.5

Out of Temperature Measurement Range .....................................A8-23

A8.3.6

Status Error ....................................................................................A8-24

A8.3.7

Parameter Lists for Heat Trace Monitoring Function .....................A8-24

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