Goodrive300 Series VFD Extension card
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Transmission of PZD area is achieved through VFD function code; please refer to relevant INVT VFD
user manual to know relevant function code.
Example 1: Read process data of VFD
VFD parameter selects "8: Running rotation speed" as PZD3 to transmit which can be achieved by
setting P15.14 as 8. This operation is mandatory until the parameter is instead of others.
Request (From master to VFD):
Example 2: Write process data into VFD
VFD parameter selects "2": PID reference" from PZD3 which can be achieved by setting P15.03 as 2.
In each request frame, parameters will use PZD3 to update until re-select a parameter.
Request (From master to converter):
In each request frame contents of PZD3 are given by traction until re-select a parameter.
A.2.9 Fault information
EC-TX-103 communication card is equipped with 2 fault display LEDs as shown is figure below. The
roles of these LEDs are as follows:
Fault display LEDs
ON-module online and data can be exchanged.
OFF-module is not in "online" state.
ON-module offline and data can’t be exchanged.
OFF-module is not in "offline" state.
1. Flicker frequency 1Hz-configuration error: The length
of user parameter data sets is different from that of
network configuration process during module initialization
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