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Installing the assembly chapter 6 – Rockwell Automation 1771-QC , D17716.5.25 SER/B SERVO POS User Manual

Page 64

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Installing the Assembly

Chapter 6

6Ć14

Figure 6.8

Simplified Power Distribution with the MasterĆControl Relay, LoopĆcontactor Relay, and

Hardware Stop

F

u

s

e

F

u

s

e

H1

H3

H4

H2

X 1

2

X

Isolation/

Step Down

Transformer

F

u

s

e

1

L

F

u

s

e

L 2

F

u

s

e

L 3

Incoming

AC

Disconnect

F

u

s

e

CRM

Reset

Extreme

Overtravel

Limit Switches

CRM

LCR

CRM

Use any number

of E - stop switches

in series

LCR

Backplane

Power Supply

Power Supply for

Analog Output Circuit

-15V DC Common +15V dc

Power Supply for

Input Circuits

H

1

H

3

H

4

H

2

Isolation/

Step Down

Transformer

Servo Drive

Dynamic

Braking

Resistor

LCR

LCR

LCR

Servo

Motor

11

12

Servo Xformer

Thermal Overload

Servo Drive

Fault

Servo Motor

Thermal Overload

1771 - ES Expander

Hardware

Stop

+5 - 30V dc

Common

To Input Circuits

To I/O Modules

CRM

CRM

CRM

+5 - 30V dc

1

NOTE:

12018

1

1

To minimize EM generation, connect a suppression network for 120V ac, AllenĆBradley

cat. no. 700ĆN24; fo r220/240V ac. Electrocube part no. RG 1676Ć13 .