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7 2 analog outputs 0 v (12 bits) - epm-s500, 2 analog outputs 0 v (12 bits) − epm−s500, Profibus communication – Lenze I/O system 1000 System Manual User Manual

Page 408

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PROFIBUS communication

Setting the parameters of analog I/O
2 analog outputs 0 ... 10 V (12 bits) − EPM−S500

9

l

408

EDSIO1000 EN 7.0

9.5.7

2 analog outputs 0 ... 10 V (12 bits) − EPM−S500

Parameter data

During the execution time you can access the parameter data via the following data sets:

Data set

Name

Description/value

Lenze

No.

Byte

0

1

Short−circuit detection Bit 0: Channel 1 (0 = deactivated; 1 = activated)

Bit 1: Channel 2
Bits 2 ... 7: Reserved

00

h

128

0

Function channel 1

16 (10

h

): 0 ... 10 V / 0 ... 27648

dec

32 (20

h

): 0 ... 10 V / 0 ... 16384

dec

255 (FF

h

): channel deactivated

10

h

129

0

Function channel 2

10

h

With the formulas listed in the following you can convert a digital value into an analog
output value and vice versa.

Output area

Voltage (U)

Decimal (D)

Hex

Range

Conversion

(Fct. no.)

[V]

0 ... 10 V

(10

h

)

11.76

32511

7EFF

Overflow

U = D * 10 / 27648
D = 27648 * U / 10

10

27648

6C00

Nominal range

5

13824

3600

0

0

0000

Not possible, is limited to 0 V

Underflow

0 ... 10 V

(20

h

)

12.5

20480

5000

Overflow

U = D * 10 / 16384
D = 16384 * U / 10

10

16384

4000

Nominal range

5

8192

2000

0

0

0000

Not possible, is limited to 0 V

Underflow