
Stand-alone DVR Instruction Manual
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5-4.3. Sensor Connection and RELAY IN &OUT
▫ SENSOR Connection (SENSOR IN)
Connect up to 8 sensors to ALM (SENSOR) IN. The Sensor should be contactor type and
support N.O. (Normal Open).
[Fig 5-6. SENSOR IN/OUT PIN]
▫ RELAY OUT Connection
When necessary, use RELAY OUT. The Output of RELAY OUT is a relay contactor type and
supports N.O. (Normal Open) & N.C. (Normal Close). The Output capacity is 220V 1A. A higher
capacity can cause system failure.
[Fig 5-7 RELAY OUT]
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