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3 Configuration Software
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
3-2 CJ1W-PRM21 PROFIBUS Master DTM
3
3-2-1 Configuration User Interface
In order to change an address perform the following steps:
1
Select the slave device in the list.
2
Enter the new address in the field Address in the lower right corner of the window.
3
Press the Set button. The Status field will display the status of this service, i.e. whether or not
the slave device responded without error.
Set Device Station Address
The Set Device Station Address function is provided for slave devices of which the PROFIBUS
address is not set through switches, but by using the PROFIBUS DP Set Slave Address service.
Slave devices which support this service also provide a means to store the address in internal non-
volatile memory. In case this non-volatile memory does not contain an entry, the slave device will
assume the default address 126.
Note 1 The PROFIBUS DP Set Slave Address service is supported by the CJ1W-PRM21 Units as
of Unit version 2.0.
2 In order to be able to change a device’s address, the CJ1W-PRM21 PROFIBUS Master
DTM must be on-line.
Selecting the Set Device Station Address displays the window shown below:
In order to change the address of a slave device perform the following steps (Make sure that the
DTM is on-line with the CJ1W-PRM21 Unit):
1
Enter the device’s current address and its PROFIBUS Ident Number. The PROFIBUS Ident
Number can be found in the Generic Slave DTM or through the device’s documentation. By
default the device’s current address will be 126. If necessary, change this to the actual current
address.
2
Enter the new device address in the New Address field.
3
Optionally, select the Lock checkbox, if the address change must be made permanent.
4
Press the Set button to invoke the PROFIBUS DP Set Slave Address service. The Status field
will display the status of this service, i.e. whether or not the slave device responded without
error.
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