Siemens Open Processor Owner's Manual page 20

Open Processor with Trane Driver Owner's Manual
The Expansion Module Kit contains two different types of modules: the Primary Module (PM)
and the Expansion Module (EM). The PM is installed in the primary panel (an MBC or RBC
with the Open Processor or Controller Module). The primary panel is responsible for
controlling PTMs installed within that enclosure, as well as any enclosures with Expansion
Module Kits joined to the primary panel.
The EM is installed in the expansion panel (an MBC or RBC without an Open Processor or
Controller Module). The purpose of the expansion panel is to provide extra PTM slots for the
primary panel to use.
For more information about Expansion Module Kits, refer to the System 600 Modular
Building Controller and Remote Building Controller Owner's Manual (125-1992).
P P P P o o o o i i i i n n n n t t t t T T T T e e e e r r r r m m m m i i i i n n n n a a a a t t t t i i i i on Modu on Modu on Modul l l l e e e e s s s s on Modu
Point Termination Modules (PTMs) are signal converters that have one, two, or four points.
PTMs are the interface between the field equipment and an Open Processor or a Controller
Module. Field equipment includes devices that provide information to, or are controlled or
monitored by an Open Processor or a Controller Module. All field input and output points are
either digital points or analog points such as 4mA–20mA sensors, 0Vdc–10Vdc outputs to
control actuators, and pulse accumulators.
For more information about PTMs, refer to the System 600 Modular Building Controller and
Remote Building Controller Owner's Manual (125-1992).
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Operator interfaces, such as operator terminals (PCs, laptops), video display terminals, and
printers, allow you to communicate with the Open Processor.
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Operator terminals allow you to communicate interactively with the Open Processor. A
keyboard is used for input, and a video screen or printer is used to display (echo) your inputs
and the system responses. Operator terminals allow you to do the following:
x
Directly control or request information about Open Processor points.
x
Check the operation of Trane building controls.
x
Change or override control programs in the Open Processor.
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