3. Cabling
3-105
TI 33Q01J10-01E
RIO Bus Arrangement
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Shield
[1] or [4] (Tin-plated semitransparent
covering or blue)
[2] or [5] (Copper wire with semitransparent
covering or white)
[3] or [6] (Gray covering or green)
Finished cable dimensions: ø8.5 mm
Connection: M4 Screw
Figure RIO bus Cable
• Grounding RIO Bus
To avoid shock hazards, ground RIO bus cables at one point every segment. For grounding,
see relevant IM.
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Terminal 1
Terminal 2
RIO bus
terminator
Coupler
Terminator connection terminals:
Between [1] and [2]
Connection: M4 Screw
There is no need to remove terminal screws,
but simply loosen them; screws are designed
not to fall out. (See figure).
Figure RIO Bus Terminator and Mounting Condition
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[3]
[4]
[5]
[1] initial state
[5] Solderless lug
secured
Cross
sectional
view
[2] Screw released
[3] Solderless lug
inserted
[4] Solderless lug
engaged
Tighten the screw.
Insert the top of the solderless
lug between the screw and the
spring saddle and depress the
saddle to produce a clearance.
Push in the solderless lug
vertically to let the screw into
the screw hole in the lug.
Figure Connecting and terminating the RIO bus Cable
Feb. 1, 2009-00