Upon Reception - Hitachi PQF Quick Start Up Manual

Power quality filter
Table of Contents

Advertisement

Apart from the digital outputs, one potential free relay with a NO and a NC alarm output is available. This relay contact
is activated if any error condition is present during a preset time. The maximum continuous alarm contact ratings are:
250 Vac/1.5 A. A fan relay can be activated if a temperature probe detects an overtemperature.
72
Lock switch
Allows locking the settings of the filter panel. This switch is documented in
73
Modbus RTU adapter interface (optional) connection
The Modbus adapter interface is connected at this location. The output of the interface is an RS-485 socket. The inter-
face is described in the Modbus RTU interface manual.
74
CAN bus connection interface
The PQF-Manager communicates with the main controller through a CAN bus. This bus consists of three terminals,
i.e.:
– Pin H: CAN High signal
– Pin L: CAN Low signal
– Pin Shield: shielding
The CAN bus wiring terminates into the PQF-Manager connection plug and is subsequently routed to the main con-
trol. It is used for PQF internal communications only.
75
Power supply terminals
The PQF-Manager power supply is provided by the filter itself. The corresponding terminals on the PQF-Manager la-
beled "Power supply" are connected to the PQF-Manager connection plug.
For information on how to cable external systems (e.g. remote control, Modbus interface) to the PQF-Manager, refer
to Chapter 6 of the instruction
background information on the Modbus RTU and TCP communication interface refer to the dedicated Modbus man-
ual.
For background information on the PQ-link communication interface refer to the dedicated PQ-link

4. Upon reception

For individual cubicles the lifting lugs should be employed. For multiple cubicles mounted on a base frame, lifting rods
(not provided) should be used.
STATUS
Approved
manuals.
For information on how to use the PQF-Manager, refer to Chapter
SECURITY LEVEL
Public
Section 5.4
DOCUMENT ID
9AKK107045A4703
Q UICK STA RT-UP G UI DE
7.
For
manual.
REV.
LANG.
PAGE
D
en
19/41
© 2022 Hitachi Energy. All rights reserved.

Advertisement

Table of Contents
loading

Table of Contents