Siemens Simatic M7-400 Manual do Utilizador descarregar pdf (Página 203)

100

101

Digital Modules

4-81

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

Technical Specifications of the SM 422; DO 8 120/230 VAC/5 A

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. 800 g

Data for Specific Module

Number of outputs 8

Length of cable

• Unshielded

• Shielded

600 m

1000 m

Voltages, Currents, Potentials

Rated load voltage L1

Permitted frequency range

79 to 264 VAC

47 to 63 Hz

Total current of the outputs

Up to 40 C

Up to 60 C

With fan subassembly

Max. 16 A 24 A

Max. 8 A 20 A

Isolation

• Between channels and

backplane bus

Yes

• Between the channels

In groups of

Yes

Permitted potential difference

• Between the outputs of the

different groups

500 VAC

Insulation resistance 4000 VAC

Current consumption

• From the backplane bus

• From load voltage L +

(without load)

Max. 250 mA

Max. 1.5 mA

Power dissipation of the

module

Typ. 16 W

Status, Interrupts, Diagnostics

Status display Green LED per

channel

Interrupts None

Diagnostic functions Parameters cannot be

assigned

• Group error display

– For internal fault Red LED (INTF)

failed fuse

– For external fault Red LED (EXTF)

failed load voltage

Data for Selecting an Actuator

Output voltage

• At signal “1” At maximum current

min. L1 (–1.5 Vrms)

At maximum current

min. L1 (–10.7 Vrms)

Output current

• At signal “1”

Rated value 5 A

Permitted range 10 mA to 5 A

Permitted surge current

(per group)

Max. 50 A per cycle

• At signal “0” (leakage

current)

Max. 3.5 mA

Output delay (for resistive load)

• From “ 0” to “1” Not more than 1 AC

scan cycle

• At “1” to “0” Not more than 1 AC

scan cycle

Minimum load current 10 mA

Zero cross inhibit voltage Max. 55 V

Size of the motor starter Max. size 5 to NEMA

Lamp load Max. 100 W

Parallel connection of 2

outputs

• For redundant triggering of

a load

Possible (only outputs

connected to the same

load)

Triggering a digital input Possible

Switch rate

• For resistive load Max. 10 Hz

• For inductive load

to IEC 947-5-1, DC 13

Max. 0.5 Hz

• For lamp load 1 Hz

Short-circuit protection of the

output

Fuse, 8 A, 250 V (per

output)

• Min. current required for

fuse to blow

Min. 100 A

• Max. response time Max. 100 ms

Replacement fuses

• Wickmann

• Schurter

• Littelfuse

Fuse, 8 A, quick-acting

194-1800-0

SP001.1013

217.008

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