
FR-A5NP Profibus DP
Communications Option Unit
15
NOTE:
The option unit may be connected to a DB-9 connector that has
these termination resistors built in.
(7) Remove the option data port insert from the VFD cover.
(8) Set the node address using the two rotary switches on the option unit.
The valid addresses can range from 03 through 7B hex (123 decimal).
The node address must be set to the value as configured when setting
up your Profibus master. The master must be aware of the node ad-
dresses assigned to the FR-A5NP or communications will not be estab-
lished. Refer to user documentation for master details.
WARNING:
Do NOT set the address from 7C to FF. If you do, the
option unit and VFD will not operate correctly.
NOTE:
Do NOT set more than one station to the same address on a single
Profibus DP network.
SW1 is nearest to the LED as shown in Figure 1-1 and sets the most
significant digit. For example, to set the node address to 7B hex (123
decimal), set SW1 to 7 and SW2 to B.
(9) Replace the VFD cover, while making sure that the Profibus connector
is aligned with the option data port window.
(10) Connect the Profibus cable to the VFD by plugging the DB9-style male
connector into DB9-style female connector of the option unit, which should
be visible in the option port window.
2.3. Connecting To The Network
(1) Make sure the VFD is at rest with power off and the option unit is
mounted in the VFD. Connect the Profibus cable created in section 2.2
to the network.
(2) It is now safe to apply power to the VFD and run it in PU, external, or net
mode, provided that any external VFD control cables in addition to the
Profibus network cable are installed correctly.
Содержание FR-A 500
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