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Yokogawa Removable Chassis DX1000N User Manual

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IM 04L41B01-05EN

Contents

Conventions Used in This Manual ...........................................................................................ii
Applicable Recorders .............................................................................................................. iii
What This Manual Explains .................................................................................................... iii
Revision History ...................................................................................................................... iii

Chapter 1 Explanation of the Advanced Security Function

1.1 Using the Advanced Security Function ................................................................................ 1-1

Operation Overview ............................................................................................................. 1-1
DX Operation Range ........................................................................................................... 1-2
PC Software ......................................................................................................................... 1-2
Terms Used in This Manual ................................................................................................. 1-3

1.2 Recording and Saving Data ................................................................................................. 1-4

Data Types ........................................................................................................................... 1-4
Data Recording and Storage Flowchart ............................................................................... 1-5
Display, Event, and Setup Data File Encryption .................................................................. 1-5
Display and Event Data Recording Methods ....................................................................... 1-6
Manual Sampled Data ......................................................................................................... 1-8
Report Data ......................................................................................................................... 1-8
Directories and File Saving on External Storage Medium ................................................... 1-9
Saving Data to External Storage Medium .......................................................................... 1-10
Other Types of Data That can Be Stored ........................................................................... 1-16
Saving Data through an Ethernet Network ........................................................................ 1-16

1.3 Login Function ................................................................................................................... 1-17

Logging In and Out Using Keys ......................................................................................... 1-17
Logging In and Out through Communication ..................................................................... 1-17
User Levels ........................................................................................................................ 1-18
Login Restrictions .............................................................................................................. 1-21
How the DX Operates When the Login Function Is Not Used ........................................... 1-22

1.4 Password Management Function ...................................................................................... 1-23
1.5 Audit Trail Function ............................................................................................................ 1-24

Information That Is Saved to Measured Data Files............................................................ 1-24
Operation Log .................................................................................................................... 1-25
Login Information ............................................................................................................... 1-25
Change-Settings Log and Setup Files When Recording (Memory Sampling) Is Not in
Progress ............................................................................................................................ 1-26
Change-Settings Log When Recording (Memory Sampling) Is in Progress ...................... 1-27
SET0 Directory Operations ................................................................................................ 1-29

1.6 Signature Function (Digital signature) ............................................................................... 1-30

Signable Files .................................................................................................................... 1-30
Signature Privileges and Signatures .................................................................................. 1-30
Signing from the DX ........................................................................................................... 1-31
Signing Using the Attached DAQSTANDARD Application ................................................. 1-31

1.7 Unique Specifications of DXs with Advanced Security ...................................................... 1-32

Functions That Differ from Those of DXs without Advanced Security ............................... 1-32
Functions That Differ from Those of the DX100P and DX200P ........................................ 1-33

Chapter 2 Logging In, Logging Out, and Signing

2.1 Registering Users and Setting the Signature Method .......................................................... 2-1
2.2 Logging In and Out .............................................................................................................. 2-8

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