T.5.5
Communication fails with the GP3000 Series PROFIBUS Slave Unit
Is an error message displayed?
Cause
Communication cannot be established with the GP3000 Series
PROFIBUS Slave Unit when an error messages appears on the
Display.
Solution
Is the connected device correctly set with
GP-Pro EX?
Cause
The connected device may not be correctly set with GP-Pro
EX.
Solution
Check if [PROFIBUS DP Slave] is selected from [PROFIBUS
International] in the setting of the connected device.
Is the PROFIBUS cable properly connected?
Cause
The PROFIBUS cable may not be properly connected.
Solution
Reconnect the PROFIBUS cable firmly. For details about the cable
connection, refer to the following manual.
GP3000 Series PROFIBUS Slave Unit
User Manual
Is the PROFIBUS (Slave) Unit properly
connected to the display unit?
Cause
The PROFIBUS (Slave) Unit may not be properly connected to the
display unit.
Solution
Turn OFF the display unit and then disconnect the power supply
cable. Check if any connector pins are bent or broken. Check that
the connection between the PROFIBUS (Slave) Unit and the GP unit is
correct. Turn ON the GP unit. If PWR and ERR LEDs do not turn ON
after turning the power ON, the PROFIBUS (Slave) Unit may be
faulty. Please contact the Pro-face customer care center.
T.11.2 Telephone Contact
Is the ERR LED flashing?
Cause
If the ERR LED illuminates, the communication may not be
established due to any of the following improper network settings.
Transmission path is broken. The master cannot be used. Electric
power is not supplied. Master and display unit I/O communication
settings disagree. Master and display unit slave address setting
disagree.
Solution
Check the error message on the GP screen. Perform the solution
and then set the network properly. For error details, see the
following.
T.8.3 When PROFIBUS is used
For setup process, see the "GP-Pro EX PLC/Device Connection
Manual".
PLC/Device Connection Manual
If the ERR LED still illuminates after resetting the network,
the PROFIBUS (Slave) Unit may be faulty. Please contact the
Pro-face customer care center.
T.11.2 Telephone Contact
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