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3.5. Configure the FC 300
3.5.1. VLT Parameters
Pay particular attention to the following parameters when configuring an FC 300 with an Interbus interface. Please refer to the
Parameters
chapter for
more details of each parameter.
3.5.2. Basic Communication Parameters
These parameters are necessary to establish communication between the Interbus option and the FC 300.
Parameter
Parameter name
Setting
8-01
Control Site
[0] Control Word only
8-32
FC Port Baud Rate
[4] 38400 baud
8-35
Minimum Response Delay
1 ms
The Interbus option is capable of operating with two different telegram-types for process data:
•
Standard Telegram 1, is a telegram with 4 PCD’s. The two first PCD’s is for holding Control word and reference for Master-to-slave comm. And
Status word and Main Actual Value for Slave-to-master comm. The last two PCD’s (3 and 4) is reserved for future use, and contains only 0’s.
•
Custom Telegram 1, is a telegram with 4 PCD’s that in addition also holds information on digital and analogue I/O’s and torque limit.
3.5.3. Standard Telegram 1
In order to interface with the Interbus option, running Standard Telegram 1, the following parameters must be set on the FC 300:
Parameter
Parameter name
Setting
8-40
Telegram Selection
[1] Standard Telegram 1
3-15
Reference Resource 1
[0] No Function
3-16
Reference Resource 2
[0] No Function
8-10
Control Word Profile
[0] FC profile
[1] PROFIdrive profile (= Drivecom)
NB!
Setting par. 8-10 to [1] PROFIdrive profile, enables the Drivecom Profile on the Interbus option, i.e. Control word and Status word are
interpreted as Drivecom.
Setting par. 8-10 to [0] FC Profile will enable the FC profile on the frequency converter.
See section
How to Control the FC 300
for more information on the different profiles.
FC 300 Interbus Operating Instructions
3. How to Install
MG.33.H3.02 - VLT is a registered Danfoss trademark
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