Circuits Which Cannot Be Programmed And Countermeasures - Mitsubishi Electric FX3G SERIES Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
6.2.3

Circuits which cannot be programmed and countermeasures

1. Bridge circuit
A circuit in which the current flows in both directions should be changed as shown in the figure on the right (so that a
circuit without D and a circuit without B are connected in parallel).
A
E
C
2. Coil connection position
• Do not write a contact on the right side of a coil.
• It is recommended to program a coil between contacts first.
The number of steps can be saved when a coil (E) between the contacts A and B is programmed first.
A
168
B
F
D
B D
C
E
6 What to Understand before Programming
6.2 Cautions on Creation of Fundamental Programs
C E B
A
A E D
C
A
B D
F
E
C