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I/O Modules
4) Clamp the open TB extractor over the desired TB connector and pull on the back handle to
extract the TB connector from the I/O module.
Figure 5-4 TB Extractor
TB Holder and Cables
The TB holder secures the male TBs neatly in place and forms a single connector plug per
module. The wires connected to the TBs are concealed in the holder. The module and the TB
holder provide a coding mechanism to prevent cabling errors. Ejector handles enable easy
release of the TB holder connector from the module. An optional three-meter cable braid,
completely wired with holder and cable, is available.
A TB holder kit is available to enable self-assembly of cables. User assembled cables should
use wires of up to 0.4mm (26 AWG) in modules with two/four TBs (3.5 mm pitch) or wires of
up to 0.8 mm (20 AWG) in modules with three TBs (5 mm pitch). The TB holder kit does not
include a cable.
Note that a Philips screwdriver is required for assembling the TB holder and a flat screwdriver
is required for setting the code key pin.
5-4
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