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Powerware BPIII Harsh Environment UPS 50--75 kV Installation and Operation
164291261 Rev. F 111503
Supervisory Contact Module
An optional Supervisory Contact Module (SCM) establishes an interface between
the UPS manufacturer’s equipment and the customer’s monitor. This interface
allows the customer to monitor operational status of the UPS equipment. A
maximum of two monitoring accessories (RMPs, RIMs, or SCMs) can be installed.
See Table 1 for the number of accessories permitted. Figure 39 shows the SCM,
input connections on TB1, and output connections on TB2.
TB2
Figure 39. Supervisory Contact Module
The SCM provides signals for the following indications:
• SYSTEM NORMAL TB 2 --- 1 t hr ou g h TB2 --- 3
• NO REDUNDANCY TB2 --- 4 thr o ug h TB2 --- 6
• ON GENERATOR TB 2 --- 7 t hr ou g h TB2 --- 9
• BYPASS NOT AVAILABLE TB 2 --- 1 0 th ro u gh TB 2 --- 1 2
• ON BATTERY TB 2 --- 1 3 th ro u gh TB 2 --- 1 5
• UPS ALARM TB 2 --- 1 6 th ro u gh TB 2 --- 1 8
• ON BYPASS TB 2 --- 1 9 th ro u gh TB 2 --- 2 1
• SHUTDOWN IMMINENT TB2 --- 2 2 th ro u gh TB 2 --- 2 4
See Chapter 6, “Installing a Supervisory Contact Module” for TB2 contact
configurations.