Siemens Simatic M7-400 Manual do Utilizador descarregar pdf (Página 359)

100

101

Analog Modules

5-143

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

Technical Specifications of the SM 432; AO 8 x 13 Bit

Programming package

Associated programming

package

As of STEP 7 V 2.0

Dimensions and Weight

Dimensions W H D

(in millimeters)

25 290 210

Weight Approx. 650 g

Data for Specific Module

Number of outputs 8

Length of cable

• Shielded Max. 200 m

Voltages, Currents, Potentials

Supply voltage of the

electronics L+

24 VDC

Rated load voltage L+ 24 VDC

• Reverse polarity protection Yes

Isolation

• Between channels and

backplane bus

• Between the channels

• Between channels and

load voltage L+

Yes

Permitted potential difference

• Between the outputs (E

)

• Between S– and M

ANA

)

• Between M

ANA

and

internal

ISO

)

3 VDC

75 VDC/60 VAC

Insulation tested

• Between bus and L+/M

• Between bus and analog

section

• Between bus and chassis

ground

• Between analog section

and L+/M

• Between analog section

and chassis ground

• Between L+/M and chassis

ground

2120 VDC

500 VDC

707 VDC

2120 VDC

Current consumption

• From the backplane bus Max. 150 mA

• Power supply and load

voltage L+ (with rated load)

Max. 400 mA

• Power supply and load

voltage L+ (no load)

Max. 200 mA

Power dissipation of the

module

Typ. max. 9 W

Analog Value Generation

Resolution including sign 13 bits

Conversion time (per channel)

• In the ranges 1 V to 5 V

and 4 mA to 20 mA

420 s

• In all ranges 300 s

Basic response time of module

(all channels enabled)

• In the ranges 1 V to 5 V

and 4 mA to 20 mA

3.36 ms

• In all the other ranges 2.4 ms

Settling time

• For resistive load

• For capacitive load

• For inductive load

0.1 ms

3.5 ms

0.5 ms

Suppression of Interference, Limits of Error

Interference voltage suppression for f = n (f1 " 1%),

(f1 = interference frequency) n= 1.2 ...

• Common-mode

interference

< AC 3 V

/50 Hz)

>60 dB

Crosstalk between the outputs

> 40 dB

Operational limit (in the entire temperature range, with

reference to the output range)

• Voltage outputs

– " 10 V

– 0 V to 10 V

– 1 V to 5 V

" 0.5 %

• Current outputs

– " 20 mA

– 4 mV to 20 mV

" 1%

Basic error (operational limit at 25 °C, referred to the

output range)

• Voltage outputs

– " 10 V

– 0 V to 10 V

– 1 V to 5 V

" 0.5%

• Current outputs

– " 20 mA

– 0 mA to 20 mA

" 0.5%

Temperature error (with

reference to the output range)

" 0.02% K

Linearity error (with reference

to the output range)

" 0.05%

1 2 ... 354 355 356 357 358 359 360 361 362 363 364 ... 637 638

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