Siemens ISI EN 50295 Brochure page 101

Siemens as-interface brochure
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Technical specifications
Total current input in mA
Polarity reversal protection
Earth fault
Low signal range
• I
in mA
IN
High signal range
• U
in V
IN
• I
in mA
IN
1
Current carrying capacity
)
• DC 12 in A
• DC 13 in A
• DC 13 in mA
Operating cycles DC 12
Rated operating voltage range in V
Degree of protection
Dimensions (H x W x D) in mm
Rated temperature in °C
Ambient temperature in °C
Storage temperature in °C
Addressing
Connection
Conductor cross-sections in mm
• Solid
• Finely stranded with end sleeve
• Finely stranded without end
sleeves
• AWG conductors,
solid or stranded
Note
1) U
should be protected with a slow-action 2 A fuse.
Aux
2) For increasing the relay endurance with inductive loads,
a protective circuit with free-wheeling diodes is recommended.
Earth fault detection module
With screw-type terminal connection
3RK1 408-8KE00-0AA2
40
Built-in
10% U
U
90% U
AS-i
GND
AS-i
1.5
³
10
³
6
1 (max. 2 per module)
2
500 (24 V)
)
2
200 (48 V)
)
´
6
2
10
24 to 48 DC
IP20
´
´
102
22.5
92
25
-25 to +70
-40 to +85
The module does not require an individual AS-Interface address
Screw-type terminal connection
2
--
--
--
--
If repeaters are used, each AS-Interface segment needs its own earth fault detection module
(number of AS-Interface power supply units = number of earth fault detection modules)
AS-Interface Slaves
Modules with special functions
Earth fault detection modules
With Cage Clamp terminal connection
3RK1 408-8KG00-0AA2
Spring-loaded terminal connection
´
2
(0.25–1.5)
´
2
(0.25–1)
´
2
(0.25–1.5)
´
AWG 2
(24–16)
Siemens IK PI · 2004
6
6/101

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