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101

PROFINET communication

Setting the parameters of analog I/O

4 analog outputs 0/4 ... 20 mA (12 bits) − EPM−S503



646

EDSIO1000 EN 7.0

12.6.10 4 analog outputs 0/4 ... 20 mA (12 bits) − EPM−S503

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

01Short−circuit detection Bit 0: Channel 1 (0 = deactivated; 1 = activated)

Bit 1: Channel 2

Bit 2: Channel 3

Bit 3: Channel 4

Bits 4 ... 7: Reserved

128 0 Function channel 1

48 (30

): 4 ... 20 mA / 0 ... 27648

dec

64 (40

): 4 ... 20 mA / 0 ... 16384

dec

49 (31

): 0 ... 20 mA / 0 ... 27648

dec

65 (41

): 0 ... 20 mA / 0 ... 16384

dec

255 (FF

): channel deactivated

129 0 Function channel 2 31

130 0 Function channel 3 31

131 0 Function channel 4 31

With the formulas listed in the following you can convert a digital value into an analog

output value and vice versa.

Output area Current (I)

Decimal (D) Hex Range Conversion

(Fct. no.) [mA]

0 ... 20 mA

(31

)

23.52 32511 7EFF Overflow

I = D * 20 / 27648

D = 27648 * I / 20

20 27648 6C00

Nominal range

10 13824 3600

0 0 0000

Not possible, is limited to 0 mA Underflow

0 ... 20 mA

(41

)

25 20480 5000 Overflow

I = D * 20 / 16384

D = 16384 * I / 20

20 16384 4000

Nominal range

10 8192 2000

0 0 0000

Not possible, is limited to 0 mA Underflow

4 ... 20 mA

(30

)

22.81 32511 7EFF Overflow

I = D * 16 / 27648 + 4

D = 27648 * (I−4) / 16

20 27648 6C00

Nominal range

12 13824 3600

4 0 0000

0 −6912 E500 Underflow

4 ... 20 mA

(40

)

24 20480 5000 Overflow

I = D * 16 / 16384 + 4

D = 16384 * (I−4) / 16

20 16384 4000

Nominal range

12 8192 2000

4 0 0000

0 −4096 F000 Underflow

1 2 ... 641 642 643 644 645 646 647 648 649 650 651 ... 743 744

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