IDEC SmartRelay Manual
37
IDEC SmartRelay installation and wiring
2.3 Wiring IDEC SmartRelay
FL1F-H12RCA / FL1F-B12RCA
Digital AC/DC Input
FL1F-M08D2R2
Digital AC/DC Input
When using the AC two-wire sensor
FL1F-H12RCE / FL1F-B12RCE / FL1F-H12SCD
Digital DC Input
Note : Bleeder resistance (R2) calcuation
The voltage drop across the load (R2) must be less than 5V while the
sensor is turned off.
R3 must satisfy the following three conditions.
Condition 1: R2 (Ω) ≤
Maximum input OFF voltage (= 5V AC)
Maximum sensor leakage current (A)
Condition 2: R2 (Ω) ≤
Sensor power voltage (V)
Minimum sensor load current (A)
Condition 3: P
R2
(W) ≥ × 3 (3: recommended allowance)
{Sensor power voltage (V)}
2
R2 resistance (Ω)
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