Mitsubishi FX1S Series - Resistors and Inputs Connected in Parallel

FX1S Series Programmable Controllers Inputs 5
5-4
5.2.4 Resistors and Inputs Connected in Parallel
Parallel resistance Rp: FX
1S
= 15k
Ω
. If resistance Rp is less than the stated value, then add the
Rb value using the Equation 1 calculation.
Alternatively; Current leakage: FX
1S
= 1.5mA. If the current leakage is greater than the stated
value, then add the Rb value using the equation 2 calculation.
Figure 5.4: Parallel LED Diagram
24V
X
0V
S/S
Rp
Rb
Rb
≤
4Rp
15 - Rp
Eqn 1 :
Rb
≤
6
I
- 1.5
Eqn 2 :