Honeywell Sieger System 57 - 3.9 DC Input Card

System 57 Quick Start Guide 05701-M-5026 MAN0839 Issue 1
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3.9 DC Input Card
The DC input card is connected directly to the engineering card and provides the connection
point for power supplied to the whole rack. The field wiring from the engineering card is also
on this card. It provides a common power supply wiring point, reverse polarity and short
circuit protection and multi-supply input capability.