Description
NORCONTROL
NN-847
AC-VOLTAGE/FREQUENCY INPUT I/O ADAPTOR PCB CARD
HE220333B
The Norcontrol NN-847 (HE220333B) is an AC voltage/frequency input I/O adaptor PCB card for a marine control system. Its role is to bring AC voltage and frequency signals into the system’s input/output section, acting as the interface board between these measured AC quantities and the control electronics. The card carries both the NN-847 type designation and the HE220333B number. It is supplied in Used condition and is suited to repair and spares work on the I/O hardware of a ship’s control installation.
Key Features
✓ Type NN-847
✓ Part number HE220333B
✓ AC voltage input
✓ AC frequency input
✓ I/O adaptor PCB card
Marine Applications
✓ Generator voltage and frequency inputs to the control system
✓ Switchboard AC signal interfacing
✓ I/O sections of automation cabinets
✓ Power management signal acquisition
Technical Support
Prota Marine provides technical support, repair and onboard installation for the AC voltage/frequency input I/O adaptor PCB card and the wider marine control system. Support covers fault diagnosis of the I/O and input circuits along with commissioning assistance after installation.
