The modular system, Ssi interface – Lenze EPM−T9XX Modular system User Manual

Page 104

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background image

SSI interface

4

The modular system

4.22

L

4.22−2

EDSPM−TXXX−9.0−11/2009

Status display and terminal assignment

SSI

Cl+

Cl-

D+

D-

Us

M

.0

.1

F

L+

1

2

3

4

5

6

7

8

9

L

10

EPM – T411 1A. 10

0

1
2

3

4

5

6

.

2

1

3

5

7

9

10

4

6

8

PES

PES

+

+

DC 24 V
(DC 18
… 28.8 V)

µP

Z

SSI

epm−t124

epm−t130

Fig. 4.22−2

Front view and connection of SSI interface

0

Status display L+; LED (yellow) is
lit when a supply voltage is applied

6

Terminal strip assignment details
1

DC 24 V supply voltage

2

Clock pulse

1

Status display Cl+; LED (yellow) is
lit with an output clock signal

3

Clock pulse converted

4

Data

5

Data converted

2

Status display D+; LED (yellow) is
lit when the SSI sensor is receiving
data

6

DC 24 V supply voltage for
SSI sensor

7

GND (reference potential of
supply voltage for SSI sensor)

3

Status display .0; LED (green) is lit
when a HIGH level is applied to or
output at input/output .0

8

Input/output .0

9

Input/output .1

4

Status display .1; LED (green) is lit
when a HIGH level is applied to or
output at input/output .1

10

GND (reference potential for
supply voltage)

.

Connection to backplane bus

SSI

SSI sensor

5

Status display F; LED (red) is lit
when the inputs / outputs .0 or .1
are short−circuited or overloaded

Z

Load

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