Safety engineering, Safety functions safe profisafe connection – Lenze E94AYAD - SM300 User Manual

Page 36

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Safety engineering

Safety functions

Safe PROFIsafe connection

1

1.3

1.3.5

1.3-14

EDS94AYAD EN 2.2

Only the bits specified of the PROFIsafe control byte are supported:

Offset

Bit

Byte

7

6

5

4

3

2

1

0

4

-

-

-

activate

_FV

-

-

-

-

Tab. 1.3-10 Structure of the PROFIsafe control byte

Details of the control byte
Name

Value Description

activate_FV 1

The PROFIsafe output data is deactivated. Thus, the STO function is

activated.

0

The function is deactivated.

-

0

Reserved for future extensions

Tab. 1.3-11 Detail specification of the control byte

The PROFIsafe input data is transmitted to the control by the safety module.

Offset

Bit

Byte

7

6

5

4

3

2

1

0

0

-

-

-

-

-

-

Status

SS1

Status

STO

1

-

-

-

-

-

-

-

-

2

-

-

-

-

-

-

-

-

3

Error

-

-

-

SD-In4

-

SD-In2

SD-In1

Tab. 1.3-12 Structure of the PROFIsafe input data

Details of the PROFIsafe input data
Name

Value Description

STO

0

The STO function is not active.

1

The STO function is active and the drive is safely switched to torque-free

operation.

This bit is also set at the end of the stopping time by SS1.

SS1

0

The SS1 function is not active.

1

The SS1 function is active.

At the end of the function the STO bit is set.

SD-In1

0

Sensor at I1A and I1B

At least one channel is in the OFF state

1

The channels A and B are in the ON state

SD-In2

0

Sensor at I2A and I2B

At least one channel is in the OFF state

1

The channels A and B are in the ON state

SD-In4

0

Sensor at I4A and I4B

At least one channel is in the OFF state

1

The channels A and B are in the ON state

Error

0

Error status is not active.

1

Error status is active.

-

0

Reserved for future extensions

Tab. 1.3-13 Detailed specification of the PROFIsafe input data

Control byte

PROFIsafe input data

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