65
4.5 DISPLAY OF DEVICE CONNECTION STATUS 
 
GP displays a message when the device configured in [PLC connection] menu is not connected or 
there is an error as below.   
 
The error message is appeared when touching a message window but it is popped an error message 
again if it is not recovered.   
 
 
 
※Notice 
  • The error message of connection is only displayed on user screens excluding system configuration 
screen. 
  • When the 3
rd 
(CH1), 4
TH
 (CH1) bit of system signal 1 device in system information device are ON 
status, the error message is displayed on  a screen for the appropriate connection device. Please 
refer to the details about system information.