Hitachi SJ300 Series Example Wiring

4–8

Connecting to PLCs and Other Devices

Operations and Monitoring

Example Wiring The schematic diagram below provides a general example of logic connector wiring, in

Diagram addition to basic power and motor wiring covered in Chapter 2. The goal of this chapter is to help you determine the proper connections for the various terminals shown below for your

specific application needs.

SJ300

L1

R

Converter

DC bus

Inverter

T1

U

Power source,

L2

S

Recti-

+

V

T2

Motor

3-phase

L3

T

fier

–

W

T3

2-wire jumper

J51

T

+

P

Ferrite filter

R

PD

Braking

Braking

R0

Control

RB

resistor

unit

(optional)

(optional)

Default jumper position

T0

circuit

–

N

for –xFU/–xFR models

P24

+ –

24VDC

AL1

(sourcing type inputs)

PLC

AL0

Intelligent relay output

(alarm function default)

CM1

AL2

Default jumper position

for –xFE models

Output

(sinking type inputs)

circuits

15

Forward

FW

14

8

13

Intelligent outputs,

Reverse

Input

circuits

5 terminals,

Intelligent inputs,

12

open-collector

3

8 terminals

11

2

CM2

1

Expansion

CM1

Card #1

Signals for expanded

Thermistor

TH

(optional)

features, including

encoder feedback,

Expansion

FM output

FM

digital I/O, and

Card #2

monitor

DeviceNet networking

(optional)

+10VDC reference

H

+

0 – 10VDC

O

NOTE: For the wiring of intel-

–

10kΩ

+10VDC

ligent I/O and analog inputs,

-10 / 0 / +10 VDC

O2

be sure to use twisted pair /

+ reference

shielded cable. Attach the

+

10kΩ

–

shield wire for each signal to

–

4 – 20mA

OI

its respective common termi-

100Ω

nal at the inverter end only.

Analog GND

L

SP

Send/

AM output

AM

SN

receive

monitor

100Ω

RS-485 serial

AMI output

AMI

RP

Jumper for

communications

monitor

SN

termination