Siemens SIMATIC S5-90U, Системное руководство, Страница: 371 / 622

S5-90U/S5-95U Module Spectrum
Power Supply Module PS 935 (6ES5 935-8ME11)
Technical Specifications
Number of inputs
(only internal)
2×4 bits
Input voltage
- rated value
24 V DC
- permissible range dyn. 18.5 to 30.2 V DC
stat. 20.4 to 28.8 V DC
- Polarity reveral protection yes
Radio interference level A to VDE 0871
Input current at 24 V DC
- rated value
1.25 A
- inrush current limitation 15 times rated current
- efficiency approx. 75%
Power input approx. 30 W
Output voltage
- rated value
9 V DC
- permissible range 8.55 to 9.45 V
- open-circuit voltage yes
Output current
- rated value
2.5 A
- permissible range 0.0 to 2.5 A
- overload recognition 2.5 to 2.7 A
Buffering during mains
voltage dips
- duration of voltage dips
20 ms at 20.4 V/2.5 A
- repeat rate 1 s
Short-circuit protection yes
(output side) electronic switch-off,
non-retentive
Diagnostics yes (24 V DC input
voltage, 9 V output
voltage)
Fault indication yes
Class of protection Class 1
Galvanic isolation no
Conductor cross-section
- stranded*
2×0.5 to 1.5 mm
2
- solid 2×0.5 to 2.5 mm 2
Dimensions
W×H×D (mm)
45.4×135×120
Power loss of the
module
typ. 7.5 W
Weight approx. 500 g (1.1 lbs)
* with core end sleeve
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OFF
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FAULT
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DC 24V
DC 9V 2,5A
6ES5 935-8ME11
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DC 9V
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SIMATIC S5-100U
PS 935
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DC 24V
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24 V=
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9 V=
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9 V
FAULT
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ON
OFF
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L +
24V DC
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9 V CPU
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CPU
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I/Os
Interface
EWA 4NEB 812 6115-02b
15-5