Specifications

Bases
31007715 6/2008 399
STB XBA 2200 PDM Base
Summary The STB XBA 2200 PDM base is 18.4 mm (0.72 in) wide. It is the mounting
connection for any PDM(s) on the island bus. It allows you to easily remove and
replace the module from the island for maintenance. It also enables the PDM to
distribute sensor bus power to input modules and actuator power to output modules
in the voltage group of I/O modules supported by that NIM.
A plastic block at the bottom of the base houses a PE captive screw (see p. 403),
which should be used to make protective earth connections for the island. This
captive screw block gives the PDM an added height dimension of 138 mm (5.44 in).
As a result, the PDMs are always the tallest Advantys modules in an island segment.
Physical
Overview
The following illustration shows an STB XBA 2200 PDM base and highlights some
of its key physical components.
1 user-customizable label
2 six island bus contacts
3 DIN rail lock/release latch
4 DIN rail contact
5 PE contact
6 PE captive screw
Note: The STB XBA 2200 is designed only for PDMs. Do not attempt to use this
base for other size 2 Advantys modules such as STB I/O modules or island bus
extension modules.
18.4 mm
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