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5
PRSU Series, Operating Instructions Manual (Revision 1.0)
PRSU/5 Electrical Overview
The PRSU/5 can be operated with an input voltage of 115VAC. This model features three
normally-open safety relays that are triggered by the “Sensor Monitoring” terminals (S11,
S12, S21, S22). This model also features an additional normally-closed auxiliary relay
(not for safety use).
Auxiliary Relay (Non-Safety)
Figure 3: Functional Schematic (PRSU/5)
Table 3: Device Terminals (PRSU/5)