Yokogawa Removable Chassis DX1000N - Manual (Page 5)

iv
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