Download PROFIBUS-DP Interface Module User`s Manual

5 PROCEDURES BEFORE SYSTEM OPERATION
MELSEC-Q
5. PROCEDURES BEFORE SYSTEM OPERATION
5.1 Procedures before Operation
The procedure for newly connecting QJ71PB92D to an existing PROFIBUS-DP
network is explained below.
For the operation of GX Configurator-DP, refer to the PROFIBUS-DP configuration
operating manual.
Start
Set the CPU module to STOP.
Refer to Section 5.4.
Start the self-diagnosis of the QJ71PB92D.
Is the self-diagnosis
result normal?
(Are the TEST and
FAULT LEDs off?)
No
This is a hardware fault.
Confirm the self-diagnosis result and consult your
local Mitsubishi representative.
Yes
Set the parameters using GX Configurator-DP.
5
Refer to Section 5.1.1.
No
Is the automatic refresh
setting used?
Yes
Reset the CPU module.
Is the QJ71PB92D
placed in the mode that enables
exchange with slave stations?
(Is the operation mode set to
MODE 0 or MODE E?)
No
Change the mode of the QJ71PB92D to the
mode that enables exchange with slave stations
(MODE 0 or MODE E). 1
Yes
Connect the PROFIBUS cable to the slave station, and start the
slave station.
Start the QJ71PB92D communications.
Has the QJ71PB92D
started normal communications?
(Are the READY and TOKEN
LEDs on and the PRM SET
and FAULT LEDs off?)
Refer to the manual of the slave station.
2
No (Recheck the parameter settings.)
Yes
Ready
1: Change the operation mode in either of the following methods.
Change from GX Configurator-DP.
Use the operation mode change request area (buffer memory address: 2255) and operation mode
change request signal (Y11).
2: Start the communications in either of the following methods.
Turn on the exchange start request signal (Y00).
Start from GX Configurator-DP.
5-1
5-1