Interface Modules SWT 3000 Equipment Manual
Page - 16 Edition p3_3_2x 08/09 © SIEMENS AG 2008
Binary inputs IFC-D/IFC-P
Input protection by means of suppressor diodes
in case of interference impulses of: > 400 V
Input voltage range 24 V DC
48/60 V DC
110 V DC
250 V DC
Rectifier for purpose of neutral polarity
Electrical isolation by means of optocoupler
Low-pass filter for suppressing spurious pulses
Duration: < 1 ms
Relay IFC-D/IFC-S
Contact: 1 make contact, 1 break contact
Contact material: Silver, gold-flashed
Switching capacity ON: 1250 VA/
OFF: 30 VA/
Continuous current rating: 5A
Current for 0.5 s: 26 A
Pick-up time including relay chatter time approx.: 5 ms
Electric strength of contacts /coil: 3000 V
rms
Relay IFC-P
Contact: simple make contact
Contact material: ruthenium
Switching power max.: 250 W
Switching current max.: 5 A DC
Switching voltage max.: 250 V DC
Pick-up time including contact chatter time max.: 2 ms
Electric strength of contacts/coil: 6000 V
rms
Mechanical data IFC-D/IFC-P/IFC-S
Dimensions of the modules :
PC board: Ordinary European standard format
Installation width: 2 depth units
Connecting elements:
Internal interface "IFC" bus,
Plug X3: 26-contact plug connector
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