Siemens Simatic M7-400 Manual do Utilizador descarregar pdf (Página 121)

Power Supply Modules

3-41

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

Technical Specifications of the PS 405 20 A

Dimensions, Weight, and Cable Cross-Sections

Dimensions WxHxD (mm)

Weight

75x290x217

2 2 kg

W

e

i

g

h

t

Cable cross-section

2

.

2 k

g

3x1.5 mm

2

(litz wire

ith i d f l

(

with wire end ferrule;

use component

d t fl ibl

p

conductor or flexible

sheath cable)

Cable diameter 3 to 9 mm

Input Rating

Input voltage

• Rated value

• Permitted range

24/48/60 VDC

Static:

19.2 VDC to 72 VDC

Dynamic:

18.5 VDC to 75.5 VDC

Rated input current 7.3 A/3.45 A/2.75 A

Starting current inrush Peak value 56 A

half-value width 1.5 ms

Overvoltage resistance In accordance with DIN

VDE 0160, curve B2

Output Rating

Output voltages

• Rated values 5.1 VDC/24 VDC

Output currents

• Rated values 5 VDC: 20 A

24 VDC: 1.0 A

Max. residual ripple 5 VDC: 50 mV

SS

24 VDC: 200 mV

SS

Max. switching peaks 5 VDC: 150 mV

S

24 VDC: 500 mV

S

Idle conditions 5 VDC: 200 mA base

load required

24 VDC: Idling-proof

(no base load required)

Other Parameters

Protection class in accordance

with IEC 60536

I, with protective

grounding conductor

Overvoltage category II

Pollution severity 2

Rated voltage U

e

0 < U

e

≤ 50 V

150 V < U

e

≤ 300 V

Test Voltage

700 VDC

(secondary <–> PE)

2300 VDC

(primary <–> PE)

Buffering of power failures: > 20 ms

Complies with the

NAMUR

recommendation NE

21 of August 1998 at a

repeat rate of 1 s

Power input 175 W

Power loss 51 W

Backup current Max. 100 µA at power

off

Backup batteries (optional) 2 x Lithium AA, 3.6 V /

1.9 Ah

Protective separation

to IEC 61131-2

Yes

1 2 ... 116 117 118 119 120 121 122 123 124 125 126 ... 637 638

Comentários a estes Manuais

Sem comentários