Yokogawa Data Acquisition with PID Control CX2000 - Manual (Page 315)

App-56
IM 04L31A01-17E
Appendix 8 Login Procedure
You log into the CX from your PC to use the functionality of the setting/measurement
server and the maintenance/test server via the Ethernet interface. If you complete the
procedure successfully up to login complete in the following figure, the commands in
chapter 6 become functional.
When Using the Ethernet Login Function of the CX
E1 403
E1 403
Yes
No
No
No
No No
No
E1 404
E1 421
Connect
Disconnect
E1 422
Disconnect
E1 420
Disconnect Login complete
Within 3 retries?* 2
Within 3 retries?* 3
Wait 5 s
E1 401
E0
E1 400
Entered “quit”?
Verification match?
Within the number of
simultaneous uses?*
3
Within 2 minutes?
Within the number
of connections*
1
Within 2 minutes?
User name
Password
Increment retry count
1
1
1
1
End
Start Judge
Transit
Code (for a description of codes and messages, see Appendix 7)
Response from the CX (message omitted)
For a description of the response format, see section 7.1.
User entry
*1 Connections cannot exceed the maximum number of connections (see section 2.1).
*2 If you try to log in using a wrong password four consecutive times, the communication is
dropped (the number of retries for login is three).
*3 If you try to log in causing the number of simultaneous uses at the administrator or user level
to be exceeded (see section 2.1) four consecutive times, the communication is dropped (even
if the password is correct).