Sma FLX Series Sensor Interface Option Manual do Utilizador descarregar pdf (Página 10)

4Specifications

Terminal Parameter Parameter Details Specification

All terminals

Wiring terminal Maximum wire gauge, solid wire

1.5 mm

Maximum wire gauge, stranded

wire

1.0 mm

Cabling

Cable jacket diameter (

⌀

)

4-8 mm

Temperature sensor input

TEMP MOD

TEMP AMB

TEMP IR.

Sensor input Sensor type

3 x PT1000

Nominal resistance/temperature

coefficient

3.85

Ω

Measurement range

-20

C - +100

Measurement accuracy

Short-circuit protection Yes

Electrical safety Direct contact protection Double/Reinforced insulation

Cabling Cable type

Single pair - 2-wire

Maximum resistance per wire

Ω

Irradiation sensor input

IR+

IR-

Sensor input Sensor type Current shunt (passive)

Measurement range 0 - 150 mV

Max. output impedance (sensor)

500

Ω

Input impedance (electronics)

24 k

Ω

Measurement accuracy ±5 % at 150 mV sensor output

voltage

Short-circuit protection Yes

Electrical safety Direct contact protection Double/Reinforced insulation

Cabling Cable type

Single pair - 2-wire

Two pairs - 4 wires with temperature

compensation

Maximum resistance per wire

Ω

Energy meter input

S0+

S0-

Sensor input Sensor type S0 output device

Sensor input class Class A

Nominal output current

12 mA for an 800

Ω

load

Maximum short-circuit output

current

24.5 mA

Open-circuit output voltage +12 VDC

Maximum pulse frequency 16.7 Hz

Short-circuit protection Yes

Electrical safety Direct contact protection Double/Reinforced insulation

Cabling Cable type

Single pair - 2-wire

Maximum resistance per wire

Ω

Relay output (normally open)

RELAY (NO)

Relay output Relay type Potential free contact

Rating AC 250 VAC maximum permitted voltage,

1.0 A, 230 W

Rating DC 24 VDC, 1.0 A, 24 W

Electrical safety Overvoltage category Class III

Cabling Cable type

Single pair - 2-wire

Table 4.1 Sensor Interface Specifications

Shielded or unshielded cables may be used.

Cable resistances will result in a measurement offset.

input is used for compensation of the irradiation sensor.

Specifications

L00410607-02_2q / Rev. date: 2014-06-20 9

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