<3. Getting Started>
3-2
IM 12A01A02-72E
3rd Edition : Oct. 01, 2015-00
NOTE
Before using a PROFIBUS PA configuration tool other than the existing host, confirm it does not
affect the loop functionality in which all devices are already installed in operation. Disconnect the
relevant control loop from the bus if necessary.
CAUTION
Connecting a PROFIBUS PA configuration tool to a loop with its existing host may cause
communication data scrambles resulting in a functional disorder or a system failure.
3.2
Host Setting
To activate PROFIBUS PA, the following settings are required for the host.
CAUTION
Do not turn off the power of the device immediately after setting. When the parameters are saved
to the EEPROM, the redundant processing is executed for an improvement of reliability. If the
power is turned off within 60 seconds after settings are made, the modified parameters are not
saved and the settings may return to their original values.
For cyclic data communication a GSD file is required. This file contains all necessary information
to start this type of communication. Please make sure the GSD file is in the right directory so the
information is available to the HOST. Refer to the HOST’s manual for guidance.
For acyclic communication several configuration tools can be used. Each communication tool
requires its own device driver. We currently support only
Siemens Simatic PDM
and
Yokogawa
FieldMate
. All parameter lists and methods described in this manual are based on this acyclic
communication tool. Please make sure the device driver is in the proper directory. Most HOST
systems come with an “install device driver” package which places all required files in the
designated folders.
3.3
Bus Power ON
Using the host device display function, check that the FLXA21 is in operation on the bus.
Unless otherwise specified, the following settings are in effect when shipped from the factory.
If no FLXA21 is detected, check the available address. Please set all addresses of the devices in
advance or separately connect each FLXA21 and set a different address for each. Make sure to
note the address after changing it as from this point on the device can only be accessed through
this address.
3.4
Bus Address Setup
This section describes the procedure to set Bus Address in the transmitter. Every device in
PROFIBUS PA must be assigned a unique address in the range of 0 (0x00) to 126 (0x7e). If it is
not specified at the time of order, 126 (0x7e) is the factory default. Do not change to 0, 1 or 2 as
these are used by master devices.
You can change the bus address using a communication tool (e.g., PROFI captain). For details,
see the instruction manual for the communication tool.
