Siemens Simatic M7-400 Manuale Utente Scaricare il pdf (Pagina 87)

SIMATIC S7-400

Function modules

FM 455 controller module

6/87

Siemens ST 70 · 2013

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Technical specifications (continued)

Input ranges (rated values),

resistance thermometers

• Pt 100 Yes Yes

Thermocouple (TC)

• for thermocouples Type B, J, K, R, S Type B, J, K, R, S

• Temperature compensation

- internal temperature

compensation

Yes; Parameterizable Yes; Parameterizable

- external temperature c

ompensation with Pt100

Yes; Parameterizable Yes; Parameterizable

Resistance thermometer (RTD)

• Characteristic linearization

- for resistance thermometer Pt100 (standard) Pt100 (standard)

Characteristic linearization

• Parameterizable Yes Yes

Cable length

• Cable length, shielded, max. 200 m; 50 m at 80 mV and thermocouples 200 m; 50 m at 80 mV and thermocouples

Analog outputs

Number of analog outputs 16

Voltage output, short-circuit protection Yes

Voltage output, short-circuit current,

max.

25 mA

Current output, no-load voltage, max. 18 V

Output ranges, voltage

• 0 to 10 V Yes

• -10 to +10 V Yes

Output ranges, current

• 0 to 20 mA Yes

• -20 to +20 mA Yes

• 4 to 20 mA Yes

Connection of actuators

• for voltage output

2-conductor connection

Yes

• for current output

2-conductor connection

Yes

Load impedance

(in rated range of output)

• with voltage outputs, min. 1kΩ

• with voltage outputs, capacitive load,

max.

1µF

• with current outputs, max. 500 Ω

• with current outputs, inductive load,

max.

1mH

Cable length

• Cable length, shielded, max. 200 m; 50 m at 80 mV and thermocouples

Analog value creation

Measurement principle integrating integrating

Integrations and conversion time/

resolution per channel

• Resolution with overrange

(bit including sign), max.

14 bit; 12 or 14 bit, parameterizable 14 bit; 12 or 14 bit, parameterizable

• Conversion time (per channel)

16.67 ms; for 12 bit: 16 2/3 ms for 60 Hz, 20 ms for 50 Hz;

for 14 bit: 100 ms for 50 and 60 Hz

16.67 ms; for 12 bit: 16 2/3 ms for 60 Hz, 20 ms for 50 Hz;

for 14 bit: 100 ms for 50 and 60 Hz

Settling time

• for resistive load 0.2 ms 0.1 ms

• for capacitive load

3.3 ms 3.3 ms

• for inductive load

0.5 ms 0.5 ms

6ES7 455-0VS00-0AE0 6ES7 455-1VS00-0AE0

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