Siemens Simatic M7-400 Reference Manual page 109

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 20 A
Dimensions, Weight, and Cable Cross-Sections
Dimensions WxHxD (mm)
Weight
Cable cross-section
Cable diameter
Input Rating
Input voltage
•
Rated value
•
Permitted range
System frequency
•
Rated value
•
Permitted range
Rated input current
•
At 120 VAC / 110 VDC
•
At 230 VAC / 230 VDC
Starting current inrush
Leakage current
Overvoltage resistance
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
75x290x217 Output voltages
•
2.2 kg
2
3x1.5 mm (litz wire
Output currents
with wire end ferrule ith ire end ferr le
•
with insulating collar;
use only flexible
sheath cable)
Max. residual ripple
3 to 9 mm
Max. switching peaks
110/230 VDC Idle conditions
120/230 VAC
88 to 300 VDC,
85 to 264 VAC
(long-range input)
Protection class in accordance
with IEC 60536
50 / 60 Hz
Overvoltage category
47 to 63 Hz
Pollution severity
Rated voltage U
1.5 A
0 < U
0.8 A
Peak value 88 A
150 V < U
half-value width 1.1 ms
< 3.5 mA
Buffering of power failures:
In accordance with DIN
VDE 0160, curve W2
Power input
Power loss
Backup current
Backup batteries (optional)
Protective separation
to IEC 61131-2
Power Supply Modules
Output Rating
Rated values
Rated values
Other Parameters
e
≤ 50 V
e
≤ 300 V
e
5.1 VDC /24 VDC
5 VDC: 20 A
24 VDC: 1.0 A
5 VDC: 50 mV
SS
24 VDC: 200 mV
SS
5 VDC: 150 mV
S
24 VDC: 500 mV
S
5 VDC: 200 mA base
load required
24 VDC: Idling-proof
(no base load required)
I, with protective
grounding conductor
II
2
Test Voltage
700 VDC
(secondary <–> PE)
2300 VDC
(primary <–> PE)
> 20 ms
Complies with the
NAMUR
recommendation NE
21 of August 1998 at a
repeat rate of 1 s
168 W
44 W
Max. 100 µA at power
off
2 x Lithium AA,
3.6 V / 1.9 Ah
Yes
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