3. WIRING
IMR02C15-E4
3-3
• When wiring of RB100/400/700/900, wire from the left direction toward the backside terminals as
shown in Fig. 3.2.
For RB100, the wiring surfaces of the central and right side lines of terminals are inclined to make it
easier to wire from the left side.
When using the terminal cover (Figs. 3.2, 3.5), it is not possible to wire from the right side.
When wiring from the left and right with a close mounting, there are cases where adjacent
instruments cannot be wired.
• When wiring of RB500, wire from the bottom direction toward the backside terminals as shown in
Fig. 3.3.
• Up to two solderless terminal lugs can be connected to one terminal screw.
However, reinforced insulation cannot be used.
If solderless terminal lugs other than the recommended dimensions are used, terminal screws
may not tighten. In that case, bend each solderless terminal lug before wiring.
If the terminal screw is forcibly tightened, it may be damaged.
In case of RB100, if two solderless terminal lugs are connected to one terminal screw, a
terminal cover cannot be used.
Continued on the next page.
Wire from the left side
Fig. 3.2: Wiring direction
When equipped with a terminal cover
(RB100)
Wire from
the left side
It is not possible
to wire from the
right side.
(RB100)
(RB100 is used in the example shown, but the wiring directions are the same for RB400/700/900.)
Fig. 3.4: Image of how to bend each solderless terminal lug
Panel
Top view
(RB100)
(RB100 is used in the example shown, but restrictions for crossover wiring are the same for RB400/500/700/900.)
(RB500)
Wire from the bottom side
Fig. 3.3: Wiring direction
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