Omron PROFINET NX-PNC202, User Manual

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13 Maintenance and Inspection
13 - 6
NX-series PROFINET Coupler Unit User’s Manual (W623)
This section describes the basic replacement procedures for the NX Units that are mounted after the
PROFINET Coupler Unit.
The procedure may differ from the one that is described below depending on the model number of the
NX Unit. Refer to the manual for the specific NX Unit to replace, in addition to this manual.
1
Turn OFF the power supply to all of the equipment or disconnect the Profinet IO Device Termi-
nal that includes the NX Unit to replace from the PROFINET network.
2
Turn OFF the Unit power supplies and IO power supplies for the Profinet IO Device Terminal.
3
Replace the NX Unit. If the NX Unit has hardware switches, set the hardware switches to the
same settings as on the original NX Unit.
4
Turn ON the Unit power supplies and IO power supplies to the Profinet IO Device Terminal.
5
Turn ON the power supply to all of the equipment, or connect the Profinet IO Device Terminal to
the PROFINET network.
Precautions for Correct Use
Checking the Serial Numbers of NX Units
If the Serial Number Check Method setting on the PROFINET Coupler Unit is set to
Setting =
Actual device
, temporarily change this setting to
None
, and then replace the NX Unit. Get the
serial number of the new NX Unit, and then set the Serial Number Check Method setting on the
PROFINET Coupler Unit to
Setting = Actual device
again.
If you replace the NX Unit with the Serial Number Check Method setting set to
Setting = Actual
device
, a Unit Configuration Verification Error will occur.
Refer to 9-2-2 Setting the NX Unit Configuration Information on page 9-5 for details on the
Serial Number Check Method setting for the PROFINET Coupler Unit, and to 9-2-5 Sysmac
Studio Functions Used as Required on page 9-12 for details on getting the serial numbers of
NX Units.
13-2-3 Basic Replacement Procedure for NX Units
Turn OFF the power supplies to the PROFINET IO Device.
Turn ON the power supplies to the PROFINET IO Device.
Replace the Unit.
Turn OFF the system power, or disconnect
the PROFINET Coupler Unit from the
PROFINET network.
Turn ON the equipment power or connect to the
PROFINET network.