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Polarity reversal of l+ and l, Technical specifications of the ps 407 4 a – Siemens Simatic S7-400 User Manual

Page 102

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Power Supply Modules

3-22

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

Polarity Reversal of L+ and L-

The polarity reversal of L+ and L- with supply voltages of between 88 VDC
and 300 VDC has no effect on the function of the power supply. The connection
should be made as described in the instructions in the Installation Manual,
Chapter 6.

Technical Specifications of the PS 407 4 A

Dimensions, Weight, and Cable Cross-Sections

Dimensions WxHxD (mm)

Weight

25x290x217

0.76 kg

g

Cable cross-section

g

3x1.5 mm

2

(litz wire

with wire end ferrule
with insulating collar;

with insulating collar;
use only flexible
sheath cable)

Cable diameter

3 to 9 mm

Input Rating

Input voltage

Rated value

Permitted range

110/230 VDC
120/230 VAC

88 to 300 VDC,
85 to 264 VAC
(long-range input)

System frequency

Rated value

Permitted range

50 / 60 Hz

47 to 63 Hz

Rated input current

At 120 VAC

At 120 VDC

At 240 VAC

At 240 VDC

0.38 A

0.37 A

0.22 A

0.19 A

Leakage current

< 3.5 mA

Overvoltage resistance

In accordance with DIN
VDE 0160, curve W2

Output Rating

Output voltages

Rated values

5.1 VDC /24 VDC

Output currents

Rated values

5 VDC: 4 A

24 VDC: 0.5 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: 100 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)

2200 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 consumption 240 VDC

52 W

Power loss

20 W

Backup current

Max. 100

µ

A at power

off

Backup battery (option)

1 x Lithium AA, 3.6 V /
1.9 Ah

Protective separation
to IEC 61131-2

Yes

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