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HGL Manual
5.0 PQconnect Connectivity
15
5.0 PQconnect Connectivity
HGL Drive-Applied Filter with PQconnect
The PQconnect is an integrated controls option for TCI’s industry leading passive harmonic filters
used for filtering the input of variable frequency motor drives (VFDs). In a passive harmonic filter,
the PQconnect provides basic tuned circuit contactor control and provides unit status detection,
metering, waveforms and power quality data. The PQconnect data is made available via basic
Modbus RTU over RS485 serial connection. The PQconnect is UL listed and intended for
commercial and industrial applications. By default, the PQconnect is manufactured to close the
contactor at 30% load.
*Please verify you have the latest manual version for your PQconnect software by visiting
transcoil.com/products/HGL-5-passive-harmonic-filter/
Figure 2
: HGL Filter with PQconnect Typical Connection Diagram
PQvision PC application Screen Elements
This section focuses on the operation of the PQvision application. The PC application contains
several screens that allow the user to monitor the status of the HarmonicGuard
®
Low Capacitance
filter. Additionally, the PQvision application can be used for contactor control and basic setup of the
HarmonicGuard
®
Low Capacitance filter. Enter password
08252014
to enable tech access.
Please ensure the latest version of PQvision is downloaded to your PC by accessing the software
https://transcoil.com/products/HGP-5-passive-harmonic-filter/pqvision-software/
A RS485 to USB converter was included with your HGL with PQconnect purchase. To run the
PQvision software the converter will need to be connected to terminal J5 on the PQconnect PCB
with pin orientation as described in the table, the USB connector will need to be run to laptop or
PC.
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