Infranor XtracontrolEC22, Руководство пользователя

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User Manual V1.1a | XtracontrolEC22
Operating mode: voltage input AI (I)
Feature Value Description
Connections per input – AI (I) and AGND;
connect screening with AGND.
Protection – Thermal current limitation
Measuring range –20 to +20 mA Technical current direction into AI (I)
Load impedance typ. 20 Ω –
Max. errors at 25°C ±0.2% (±80 µA) –
Temperature coefficient ±40 ppm/K
(±0.8 µA/K) –
Digital resolution 24 bit –
Data format in
user program 32 bit real (floating-point number) in milliamps (mA)
Maximum permissible
permanent overload Max. ±25 mA –
Output of digital value
in case of overload – If a current greater than ±20 mA flows into an AI (I),
a plausible value is still given up to approx.
±25 mA.
The specified accuracy is only valid for the range –
20 to +20 mA.
Input type – Current measurement compared to AGND
Reference potential AGND –
Dynamic characteristics
Analogue filtering Second-grade low-pass
filter; time constant
T = approx. 215 µs –
Greatest temporary
deviation during
electrical error testing
according to
IEC 61131-2 0.5% of measuring
range –
Operating mode: temperature inputs AI-PT
Feature Value Description
Connections per input – Sensor connection between AI (U/T) and AGND
Possible sensors PT100 and PT1000
acc. to EN 60751 Accuracy class AA, A, B and C platinum sensors may
be used; recommendation: B or C
Measuring range –40 to +200°C –
Measuring current
(RMS) 0.3 mA –
Conversion time 250 ms –
Max. errors at 25°C ±0.21% (±0.5°C) –
Temperature coefficient ±50 ppm/K
(±0.012°C/K) –
Digital resolution 24 bit –
Data format in
user program 2 × 32 bit real (floating-point number) in Ohms (Ω) and degrees
Celsius (°C)
Linearisation – The value in degrees Celsius is calculated from the
resistance value and linearised (3
rd degree polynomial)
Input type – 2-wire measurement or 3-wire measurement
Reference potential AGND –
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