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Pre-assembled Cables - Setams SA

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3<br />

Measuring systems<br />

SIMODRIVE sensor<br />

Built-on optoelectronic rotary encoders<br />

Encoder output signals (View on shaft and shaft rotation clockwise)<br />

RS 422 interface (TTL) Sinusoidal 1 V PP signals SSI<br />

R<br />

*R<br />

Electronics behind the encoder (recommendation)<br />

RS 422 interface (TTL) Sinusoidal 1 V PP signals<br />

Encoder<br />

Highvoltage Transistor Logic (HTL) SSI/EnDat<br />

5,6 kW<br />

UaS<br />

3/8<br />

A,B,R<br />

*A,*B,<br />

*R<br />

UaS<br />

A,B,R<br />

*A,*B,<br />

*R<br />

UaS<br />

RS 422<br />

4,7 kW<br />

10 kW<br />

10 kW<br />

10 kW<br />

33 pF<br />

Siemens NC Z · 2002/2003<br />

Electronic behind the<br />

encoder<br />

Encoder Electronic behind the encoder<br />

4,7 kW 1,8 kW 4,7 kW 120 W<br />

4,7 kW<br />

33 pF<br />

Z0<br />

1 kW 10 nF<br />

R1<br />

R2<br />

R1<br />

LM 339<br />

UP<br />

UaS<br />

U0 » UP<br />

2<br />

10 kW<br />

470 kW<br />

+5 V<br />

A,B,R<br />

+5 V<br />

UP<br />

0 V (UN)<br />

A,B,R<br />

Encoder<br />

U0<br />

A, B, R<br />

Ra/2<br />

Ca<br />

*A, *B, *R<br />

Ra/2<br />

tm = 12 - 15 μs<br />

T < tm<br />

n = 13 with Singleturn<br />

n = 25 with Multiturn<br />

Ia<br />

1 VSS<br />

Ia<br />

Electronic behind the<br />

encoder<br />

10 kW<br />

R1<br />

C2<br />

10 pF<br />

R2<br />

34,8 kW<br />

+UB (+15 V)<br />

A,<br />

B,<br />

R<br />

C1<br />

Z0<br />

R1<br />

10 kW<br />

C1<br />

Ua<br />

-UB (-15 V)<br />

34,8 kW U1<br />

220 pF R2<br />

10 pF<br />

C2<br />

~ ~<br />

Encoder Electronic behind the encoder<br />

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��<br />

����<br />

���<br />

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�� �<br />

�� �� �����<br />

� � �� ������<br />

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��<br />

�� ��<br />

�� ����<br />

��� �<br />

������<br />

��<br />

�� 1) not ������������<br />

for SSI<br />

��<br />

��<br />

� � �����<br />

Z �� �������<br />

0 = 120 W<br />

R3 �= 100<br />

� ����� K W<br />

R4 = 1 K W<br />

��<br />

��<br />

� �� ��<br />

��<br />

���<br />

G_NC02_en_00092<br />

���������������<br />

��� ��� ��<br />

��<br />

��<br />

��<br />

Code ����������� signals<br />

������������<br />

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Incremental<br />

signals 1)<br />

120 W

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