EVCO S.p.A. c-pro 3 | Hardware manual ver. 2.0 | Code 114CP3E204
page 78 of 86
4 non optoisolated inputs, of
which 3 configurable via
configuration parameter for
PTC / NTC / Pt 1000 probes
/ 0-20 mA / 4-20 mA / 0-5 V
ratiometric / 0-10 V
transducers and 1 for NTC
probes.
4 non optoisolated inputs, of
which 3 configurable via
configuration parameter for
PTC / NTC / Pt 1000 probes
/ 0-20 mA / 4-20 mA / 0-5 V
ratiometric / 0-10 V
transducers and 1 for NTC
probes
Power supply 0-5 V ratiometric transducers: 5 VDC (+0% -12%), 40 mA max.
Power supply 0-20 mA / 4-20 mA / 0-10 V transducers: 24 VDC (+50% -25%), 120 mA max.
The devices incorporate a restorable thermal protection of the power supplies against the
short circuit and the overload.
PTC analog inputs (990 Ω @ 25 °C, 77 °F)
Kind of sensor: KTY 81-121.
Working range: from -50 to 150 °C (-58 to 302 °F).
Accuracy: ±0.5% of the full scale between -40 and 100 °C, ±1 °C
between -50 and -40 °C and between 100 and 150 °C.
Resolution: 0.1 °C.
Conversion time: 100 ms.
Protection: no protection.
NTC analog inputs (10K Ω @ 25 °C, 77 °F)
Kind of sensor: β3435.
Working range: from -50 to 120 °C (-58 to 248 °F).
Accuracy: ±0.7% of the full scale between -40 and 100 °C, ±1 °C
between -50 to -40 °C and between 100 and 120 °C.
Resolution: 0.1 °C.
Conversion time: 100 ms.
Protection: no protection.
Pt 1000 analog inputs (1K Ω @ 0 °C, 32 °F)
Working range: from -100 to 400 °C (-148 to 752 °F).
Accuracy: ±0.5% of the full scale.
Resolution: 0.1 °C.
Conversion time: 100 ms.
Protection: no protection.
0-20 mA / 4-20 mA analog inputs
Input resistance: ≤ to 200 Ω.
Accuracy: ±0.5% of the full scale.
Resolution: 0.01 mA.
Conversion time: 100 ms.
Protection: no protection; the maximum current allowed on each input is
25 mA.
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