EVCO | 06.08.2021 | AZ | 35114CP3OEE104
c-pro 3 OEM - Hardware manual
Type Description
Rated impulse-with stand voltage 4 KV
Over-voltage category III
Software class and structure A
Real Time Clock According to the model (with secondary lithium battery)
Clock drift ≤ 60s/month at 25 °C (77 °F)
Clock battery autonomy in the absence of a power supply > 6 months at 25 °C (77 °F)
Clock battery charging time 24h (the battery is charged by the power supply of the device)
Analogue inputs 4 for PTC, NTC or Pt 1000 probes
(can be congured also for dry contact digital input)
3 for NTC probes, 0-5 V, 0-10 V, 0-20 mA or 4-20 mA transducers
(can be congured also for dry contact digital input)
PTC probes Sensor type KTY 81 – 121 (990 Ω a 25 °C (77 °F))
Measurement eld: -50 – 150 °C ( -58 – 302 °F)
Resolution 0.1 °C (1 °F)
NTC probes Sensor type ß3435 (10 KΩ a 25 °C (77 °F))
Measurement eld -50 – 120 °C (-58 – 248 °F)
Resolution 0.1 °C (1 °F)
Pt 1000 probes Sensor type 1 KΩ – 0 °C (32 °F)
Measurement eld -100 – 400 °C (-148 – 752 °F)
Resolution 0.1 °C (1 °F)
0-5 V transducers Input resistance ≥ 10 KΩ
Resolution 0.01 V
0-10 V transducers Input resistance ≥ 10 KΩ
Resolution 0.01 V
4-20 mA transducers Input resistance ≤ 200 Ω
Resolution 0.01 mA
Auxiliary power supply: Open frame version 12 VDC
+10 % -15 %
160 mA max
Plastic housing version 12 VDC
+10 % -15 %
100 mA max
Ratiometric transducer power supply Open frame version 5 VDC
+10 % -15 %
10 mA max
Plastic housing version 5 VDC
+10 % -15 %
10 mA max
Digital inputs: 2 dry contact and for pulse trains up to 2 KHz
2 high voltage (3 for EPB90V - EPB9BVE models)
Dry contact Contact type 3,3 VDC,
1 mA
Power supply None
High voltage contac Power supply 115... 230 VAC
Analogue outputs 4 for 0-10 V or PWM signal
0-10 V signal Minimum applicable impedance 1 KΩ
Resolution 0.01 V
PWM signal Power supply 0... 10 VDC (+16 % -25 %)
10 mA max
Frequency 10 Hz... 2 KHz
Duty 0... 100 %
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