Yokogawa Touch Screen GP20 - Manual (Page 104)

App-2
IM 04L51B01-17EN
Appendix 2 Login Procedure
To communicate using the general communication feature, you must log in to the GX/GP
from your PC. If you complete the procedure successfully up to “Login complete” in the
following figure, you will be able to use the commands.
When Using the Login Function
E1: 401
No
E1: 732
Connect
Disconnect
E1: 257
Login complete
E0
E1: 401
Verification match?
Within the number
of connections?
Receive command
Log in with the CLogin command
End
Start
Judge
Code
Response
Response from the GX/GP (message omitted)