Siemens FS20 - Page 319

Mounting and installation FC2080
Installing the key safe adapter [DE]
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Building Technologies
008851_s_en_
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Fire Safety
2016
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01
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FDCIO222 I/O module
SDA3000 Key safe adapter SDA3000 [DE]
FSD Fire brigade key depot [DE]
Wiring the FDCIO222 with 1.15 kΩ and 3.01 kΩ resistors applies for monitoring for
short-circuits and open circuits.