A7 power stage interface, Figure 3.14 relay logic – Rockwell Automation 1395 Digital DC Drive FRN 5-10.10/9.30 User Manual

Page 58

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Chapter 3
Hardware Description
40 – 100 HP, 230VAC

75 – 200 HP, 460VAC

3-18

If K3 is being commanded to energize, the voltage at TP21 will be 0VDC.
If K3 is to be de-energized, the voltage at TP21 will be +24VDC.

Figure 3.14
Relay Logic

TB2

J9

115
VAC

Common

To DC
Motor

F8

NOTE: To pro-
vide DC Contac-
tor energization,
a jumper or oth-
er external cir-
cuitry must be
connected be-
tween TB2–8
and TB2–9.

3

4

5

6

7

8

9

M1

M1–X

A1

A2

3 Phase

AC

1

2

1

2

Armature

Bridge

K

1

6

K3

4

3

NOTE: 24 VDC must
not be used for any
purpose other than
ECOAST

TB3

12

11

10

9

8

7

6

4

5

24VDC

ECOAST

(Optional)

24 V – OUT

24 V + OUT

24 V ECOAST –

24 V ECOAST +

FLT2

FLT1

115V COMMON OUT

115V ECOAST 2

115V ECOAST 1

ECOAST

Closed When
Drive is not
Faulted

ISO

ECOAST

A7
Power
Stage
Interface

ISO

CVERIFY

K3

+ 24 V

K2

K1

+ 24 VDC

K1

SYSTRIP

DCPILOT

K3

+ 24 VDC

FAULTED

SYSTRIP

DCPILOT

J10

TP21

K2

115 VAC

115 VAC Common

PR

Optional
External
Control
Contacts

From
Main
Control
Board

3

1

2

J1

10

1

3

12

10

15

TB5

J1

Common In

Motor Temp In

Reset In

Motor

Thermostat

Reset

24VDC
or 115VAC
Source

TE

PE

5

6

12

11

10

9

8

7

6

5

4

3

2

1

1

2

3

4

HY4

HY5

32

16

33

HY3

HY2

Comm

HY1

HST

AC or DC Overcurrent

NOTE: An
explanation
of terminals
1, 2 and 3 is
provided on
pg 6.22.

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