Resistors And Inputs Connected In Parallel - Mitsubishi Electric Melsec-F FX2NC Series Hardware Manual

FX2NC Series Programmable Controllers
5.1.4

Resistors and inputs connected in parallel;

Parallel resistance Rp: FX
Rb. See equation 1 for Rb calculation.
Alternatively; Current leakage: FX
value, then add Rb. See equation 2 for Rb calculation.
Figure 5.5 : Parallel LED
Rb ≤
Eqn 1 :
Rb ≤
Eqn 2 :
= 15kΩ. If resistance Rp is less than the stated value, then add
2NC
2NC
4Rp
15 - Rp
6
Ι - 1.5
= 1.5mA. If the current leakage is greater than the stated
FX
FX
+24V
Rb
X
LED
Rp
COM
Main unit
2NC
Extention
2NC
block
5-7
Inputs 5.