Description
The NXCESVFD plug-in assembly provides variable frequency drive (VFD/VSD) capability to the PPC4000. Along with the NXCVESVFD plug-in assembly, firmware installed in the PPC4000 has to include VFD operation. This can be verified by the engineering code shown on the barcode label.
The NXCESVFD provides two independent channels. Each channel provides a precision 4-20 mA output to control the VFD, a calibrated 4-20 mA input, and an encoder input for VFD positional feedback. Alternatively, either VFD output channel can be mapped to indicate firing rate, setpoint, sensor value, and servo positions on a chart recorder or other recording type device.
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