Settings; Presentation, Index 0X80N0:02 - Beckhoff ELX3312 Operating Manual

Two and four channel analog input terminals for thermocouples, 16 bit, ex i
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5.3

Settings

5.3.1

Presentation, index 0x80n0:02

In the delivery state, the measured value is output in increments of 1/10° C in two's complement format
(signed integer).
Index 0x80n0:02 [} 74] offers the possibility to change the method of representation of the measured value.
Measured value
-200.0 °C
-100.0 °C
-0.1 °C
0.0 °C
0.1 °C
100.0 °C
200.0 °C
500.0 °C
850.0 °C
1000.0 °C
Signed Integer
The measured value is presented in two's complement format.
Maximum presentation range for 16 bit = -32768 ... +32767
Example
1000 0000 0000 0000
bin
1111 1111 1111 1110
bin
1111 1111 1111 1111
bin
0000 0000 0000 0001
bin
0000 0000 0000 0010
bin
0111 1111 1111 1111
bin
Absolute value with MSB as sign
The measured value is output in magnitude-sign format.
Maximum presentation range for 16 bit = -32767 ... +32767
Example
1111 1111 1111 1111
bin
1000 0000 0000 0010
bin
1000 0000 0000 0001
bin
0000 0000 0000 0001
bin
0000 0000 0000 0010
bin
0111 1111 1111 1111
bin
High resolution (1/100°C)
The measured value is output in 1/100°C steps.
As a result, the maximum measuring range is limited to 32767
extended by the user scaling!
ELX3312 and ELX3314
Output (hexadecimal)
0nF830
0nFC18
0nFFFF
0n0000
0n0001
0n03E8
0n07D0
0x1388
0x2134
0x2170
= 0x8000
= - 32768
hex
dec
= 0nFFFE
= - 2
hex
dec
= 0nFFFF
= - 1
hex
dec
= 0n0001
= +1
hex
dec
= 0n0002
= +2
hex
dec
= 0x7FFF
= +32767
hex
dec
= 0nFFFF
= - 32767
hex
dec
= 0x8002
= - 2
hex
dec
= 0x8001
= - 1
hex
dec
= 0n0001
= +1
hex
dec
= 0n0002
= +2
hex
dec
= 0x7FFF
= +32767
hex
dec
Version: 1.3.0
Parameterization and programming
Output (signed integer, decimal)
-2000
-1000
-1
0
1
1000
2000
5000
8500
10000
* (1/100)°C = 327.67°C, but can be
dec
57

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