Heidenhain PWM 8 Manuel d'utilisateur télécharger pdf (Page 18)

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4.4.1 Display of the PWM 8 MODE: MEASURE U/I in the Mode Window

Depending on the power supply of the encoder and of PWM 8, the MODE MEASURE U/I may be displayed

differently in the MODE window:

MODE: MEASURE U/I of encoders with sensor lines

(TTL, HTL, 1Vpp interface boards):

• and internally powered encoder (= via power supply unit) or

• externally powered encoder and parameter: P2 U-MSYS EXTERN = FLOATING

Floating power supply of the encoder with relation to the

subsequent electronics.

Current consumption of the encoder

Power supply of the encoder

(here: floating)

Sensor lines of the encoder

Special feature of HTL interface board:

A floating power supply of the encoder is not possible. The parameter P2 has no function.

The MODE MEASURE U/I is displayed as follows with HTL interface board:

Special feature of HTL interface board:

The encoder is powered by the power

supply unit (= internally) without potential segregation.

• externally powered encoder and parameter: P2 U-MSYS EXTERN = FROM CUSTOMER

The encoder is powered directly by the subsequent

electronics without potential segregation.

Current consumption of the encoder

Power supply of the encoder

(here: customer voltage)

Sensor voltages of the encoder

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 89 90

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Heidenhain PWM 8 Manuel d'utilisateur Page 18