Installation Instructions, 25 and 50 A Instruction Manual
Rockwell Automation Publication 1608P-IN001B-EN-P - May 2014 15
Chapter 3
Communications
Both dry contacts (relays) that indicate status and a Serial Communications Port
(RS-232) are available for monitoring the ProDySC.
Dry Contacts
Three relay contacts indicate ProDySC status. The contacts are form A and close
upon occurrence of the named event: (a) any SAG EVENT, when rms input
voltage drops below 88.5% of rated value; (b) OUTPUT OK, when output
voltage remains between 87% and 110%; and (c) a system ALARM event. The
relay contact ratings are 24V at 1 amp.
• For access, remove the Communications Port cover (See Figure 8
).
• A removable connector (plug) is provided to facilitate wiring.
• All wiring is to be Class 2, limited to 24 Volts, AC or DC.
• Acceptable wire gauges range from 24AWG to 12AWG (0.2-2.5 mm
2
).
• Torque connections to 4.5-5.3 lb-in (0.5 - 0.6 N-m).
• For permanent installations, a standard conduit knockout is located within
the wiring area (SeeFigure 8
).
Figure 8 - Access Cover Location
.875
22
CONDUIT
KNOCKOUT
COMMUNICATIONS
PORT COVER.