Eaton SPI9000 Manual de usuario descargar pdf (Pagina 42)

SPI9000 Inverter Unit FR4 – FR8 User Manual

4-4 For more information visit: www.EatonElectrical.com

MN04004003E

April 2006

Figure 4-7: Option Board A3 Wiring Diagram

Control Cables

The control cables shall be at least 20 AWG screened multicore cables, see Table 4-1. The

maximum terminal wire size is 14 AWG for the relay terminals and 16 AWG for other

terminals.

You can ﬁnd the tightening torques of the option board terminals in Table 4-1.

Table 4-1: Tightening Torques of Option Board Terminals

Galvanic Isolation Barriers

The control connections are isolated from the mains potential and the GND terminals are

permanently connected to ground. See Figure 4-8.

The digital inputs are galvanically isolated from the I/O ground. the relay outputs are also

double-isolated from each other at 300V AC (EN-50178).

RO1/1

RO1/2

RO1/3

RO2/1

RO2/2

Switching:

<8A / 24V DC

<2kVA / 250V AC

<0.4A / 125V DC

Continuously

<2 Arms

AC / DC

Basic Relay Board A3

TL1

–

Terminal Screw

Tightening Torque

lb-in.

Relay and thermistor terminals (screw M3) 4.5

Other terminals (screw M2.6) 1.8

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Eaton SPI9000 Manual de usuario Pagina 42