Evco c-pro micro Manual do Utilizador descarregar pdf (Página 14)

C-PRO MICRO HARDWARE MANUAL

Page 14

3.6 Electrical characteristics

CPU Microcontroller 8 bit

Program flash memory 128 Kbyte

RAM for data memory 4 Kbyte

EEPROM 4 Kbyte

A/D 8 channels at 10 bit

Power supply Voltage 12 V AC/DC

Range -10% +15%

Frequency 50/60 Hz / DC

Maximum input power 6 VA

Fuse rating External

Digital outputs

Number 6

Type Electromechanical relays

Maximum breaker current at 250 V AC

Please note:

maximum current for common contact

(DO4+DO5): < 4 A

maximum current for the other

contacts: < 3 A

3(1) A

Number of processing cycles 100.000

Minimum switching interval 20 s

Micro-switch action type 1C

Insulation between relays and low

voltage

Reinforced

Insulation between relays Functional

Insulation between relays and DO6 Reinforced

Digital inputs

Number 5

Type Clean contact

Breaker closure current to earth 2 mA

Maximum closure resistance 100 Ω

OFF to ON detection time 100 ms

ON to OFF detection time 100 ms

Analogue inputs for

Number 2

NTC probes Type

NTC (10 KΩ ±1% @25°C)

NTC measurement range

-40°C ÷ 100°C

NTC measurement accuracy

±1°C

NTC measurement sensitivity

0.1°C

Analogue inputs for

Number 2

NTC probes or

ratiometric pressure

Type

NTC (10 KΩ ±1% @25°C)

transducers NTC measurement range

-40°C ÷ 100°C

NTC measurement accuracy

±1°C

NTC measurement sensitivity

0.1°C

Type Current

Current measurement range

0/4 ÷ 20 mA

Current measurement accuracy ±0.08 mA

Current measurement sensitivity 0.01 mA

Input resistance 200 Ohm

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 39 40

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