Eaton SPI9000 Instrukcja Użytkownika Strona 31

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Control Wiring
9000X AF Drives MN04001004E—May 2011 www.eaton.com 21
Control Wiring
General Information
The control unit of the SVX9000/SPX9000 consists of the
control board and various option boards that plug into the five
slot connectors (A to E) of the control board.
Galvanic isolation of the control terminals is provided as
follows:
The control connections are isolated from power, and the
GND terminals are permanently connected to ground
The digital inputs are galvanically isolated from the I/O
ground
The relay outputs are double-isolated from each other at
300 Vac
Option Board General Information
The SVX9000/SPX9000 series drives can accommodate a
wide selection of expander and adapter option boards to
customize the drive for your application needs.
The drive’s control unit is designed to accept a total of five
option boards. Option boards are available for normal analog
and digital inputs and outputs, communication, and additional
application-specific hardware.
The SVX9000/SPX9000 factory-installed standard option
board configuration includes an A9 I/O board and an A2 relay
output board, which are installed in slots A and B. For
information on additional option boards, see the 9000X
Series Drives Option Board User Manual.
Option Board Slots
Control Wiring Guidelines
Wire the control terminals using the following guidelines:
The control wires shall be at least AWG 20 (0.5 mm
2
)
shielded cables
The maximum wire size is AWG 14 (2.5 mm
2
) for the relay
terminals and AWG 16 (1.5 mm
2
) for all other terminals
The tightening torques for the option board terminals are
listed in the table below
Tightening Torques of Terminals
D
C
B
A
E
Tightening Torque
Terminal Screw in-lbs Nm
Relay and thermistor terminals (M3 screw) 4.5 0.5
Other terminals (M2.6 screw) 2.2 0.25
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