Heidenhain PWM 8 Manuel d'utilisateur télécharger pdf (Page 12)

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If e.g. the soft key BNC A is pressed, the assignment of the BNC socket A can be changed:

Terminate BNC assignment

Assignment of sockets B and C can be selected

Arrow keys to change the encoder signals of the

selected BNC socket A

Switching the BNC memory:

The assignment of the BNC sockets is stored in three BNC memories that can be called

successively.

Each time the soft key

is pressed, the next BNC memory is activated.

The display of the active BNC memory is highlighted:

Changing the signals in the BNC memories 1 to 3:

The signal in the active BNC memory is automatically stored each time it is changed by

pressing the soft keys

After power interruption the signals of the BNC memory active last are allocated to the BNC

sockets.

Notes on the use of the BNC sockets:

• When using the BNC sockets to measure the encoder signals with an oscilloscope,

be sure that the workstation and the operator are properly grounded!

• A floating oscilloscope should be used to display the encoder signals with as little interference

as possible. Always connect the oscilloscope to the socket of the switch cabinet of the machine

tool to avoid signal distortions caused by different ground potentials.

The following encoder signals can be connected with the BNC sockets:

Interface Board Encoder signals on BNC socket BNC

memory

BNC A BNC B BNC C

11µApp Ue1

U1+2

Ue0

Ue2

U1+2

Ue0

NTR

/UaS *)

1Vpp A

A+B

NTR

/UaS *)

TTL, HTL Ua1

/Ua1

Ua0

Ua2

/Ua2

/Ua0

Ua0

/Ua0

/UaS

*) Signal is generated in the PWM 8.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 89 90

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Heidenhain PWM 8 Manuel d'utilisateur Page 12

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