Yokogawa Removable Chassis DX1000N - Manual (Page 27)

Explanation of the
Advanced Security Function
IM 04L41B01-05EN
1-21
1
2
3
Index
App
1.3 Login Function
Login Restrictions
Logging in with the Same Name
You cannot log in with the same name.
Logging in Simultaneously
There are five methods for logging in using key operations or Ethernet or serial
communication.
1. Logging in and out using keys
2. Logging in to the setting function of the setting and measurement server through
Ethernet communication*
3. Using the LL command to log in to the setting and measurement function through
serial communication*
4. Logging in to the monitoring function of the setting and measurement server through
Ethernet communication*
5. Logging in to the Web server through Ethernet communication*
* For explanations and operating instructions, see the Communication Manual.
You can log in using methods 4 and 5 regardless of whether or not users have logged
in using the other methods. The figure below shows how simultaneous use of the other
three login methods is limited.
When multi-login function is
not in use, the concurrent
connection is not possible.
(only one type of connection)
Serial
communication
DAQSTANDARD
Setting function Setting function
Log in through
key operations
Ethernet
PC
PC PC
• When Using the Multi Login Function
At the same time, one user can log in through key operations, one through an
Ethernet connection (to the setting function), and one through serial communication.
However, when a user enters into setting mode or basic setting mode, the operations
of the other users are limited.
DX Access Method When Another User Is in Setting Mode or Basic Setting
Mode
Key operations None of the keys function.
Communication (Ethernet
connection to the setting
function)
All commands except for the monitoring-function commands
return errors.*
Communication (serial) All commands except for the monitoring function (equivalent to
the Ethernet monitoring function) commands return errors.*
* For an explanation, see the Communication Manual.