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Parameter data records

B.1 Parameter assignment and structure of the parameter data records

Analog Input Module AI 8xU/I HS (6ES7531-7NF10-0AB0)

42 Manual, 07/2014, A5E03484886-AC

Codes for measuring types

The following table lists all measuring types of the analog input module along with their

codes. Enter these codes at byte 2 of the respective data record (see previous figure).

Table B- 2 Code for the measuring type

Measuring type

Code

Deactivated

0000 0000

Voltage

0000 0001

Current 4-wire transmitter

0000 0010

Current 2-wire transmitter

0000 0011

Codes for measuring ranges

The following table lists all measuring ranges of the analog input module along with their

codes. Enter these codes at byte 3 of the respective data record (see previous figure).

Table B- 3 Code for the measuring range

Measuring range

Code

Voltage

±5 V

±10 V

1 V to 5 V

0000 1000

0000 1001

0000 1010

Current 4-wire transmitter

0 mA to 20 mA

4 mA to 20 mA

±20 mA

0000 0010

0000 0011

0000 0100

Current 2-wire transmitter

4 mA to 20 mA

0000 0011

Hardware interrupt limits

The values that you can set for hardware interrupts (high/low limit) must not exceed the

respective rated measuring range.

The following tables list the valid hardware interrupt limits. The limit values depend on the

selected measuring type and range.

Table B- 4 Limits of hardware interrupts for voltage and current

Voltage

Current

± 5 V, ± 10 V 1 V to 5 V ±20 mA 4 mA to 20 mA, 0 mA to

20 mA

32510 32510 32510 32510 High limit

-32511

-4863

-32511

-4863

Low limit

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 60 61

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