INVT Goodrive350 Series, Operation Manual

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Communication extension card PROFIBUS communication card
-6-
Figure 2-3 shows the terminal wiring. The cables are standard PROFIBUS cables, each
consisting of a twisted pair and shielding layer. The shielding layers of PROFIBUS cables are
directly grounded on all nodes. You can select a proper grounding mode based on the actual
situation on site.
Note:
1. When connecting the stations, ensure that the data cables are not twisted together. For
systems to be used in environments with strong electromagnetic radiation, you need to use
cables with shielding layers. The shielding layers can improve electromagnetic compatibility
(EMC).
2. If shielding braid or shielding foil is used, connect the two ends of it to the protective ground
and cover an area as large as possible to ensure high conductivity. In addition, data cables
need to be separated from high-voltage cables.
3. When the data transmission rate is higher than 500 kbit/s, do not use short stub. Use the
plugs available in the market. Data input and output cables can be directly connected to those
plugs, and the plug of the communication card can be connected or disconnected at any time
without interrupting data communication of other stations.
2.5 System configuration
1. System configuration
After the communication card is properly installed, you need to configure the master
station and VFD to enable the communication between the master station and
communication card.
One device description file named GSD file is required for each PROFIBUS slave station
on the PROFIBUS bus. The GSD file is used to describe the characteristics of the
PROFIBUS-DP device. The software we provide for users includes information about the
GSD file of the VFD. You can obtain the type definition files (GSD files) of various
masters from INVT.
Table 2-4 Communication card configuration parameters
Parameter
No.
Parameter
name
Setting options Default setting
0 Module type Read-only PROFIBUS-DP
1 Node address 0–99 2
2 Baud rate setting kbit/s
0: 9.6
6
1: 19.2
2: 45.45
3: 93.75
4: 187.5