• Five fixed-function pre-alarms
• Two programmable pre-alarms
An audible alarm indicates the presence of alarms, pre-alarms, and when the DGC is taken out of Auto mode. An
Alarm Silence pushbutton resets the audible alarm.
Operation of the audible alarm and all visual indicators can be verified with the Lamp Test pushbutton.
Rugged and Flexible Construction
A rugged, compact metal case provides improved electromagnetic compatibility and make the RDP-110C
resistant to moisture, salt fog, dust, dirt, and chemical contaminants. Two available mounting configurations
provide the option of semi-flush mounting or surface (projection) mounting. Conduit knockouts on the case enable
the RDP-110C to be used as a “pass-through” or junction box for other site wiring.
Simple Connections
RDP-110C connections consist of control power wiring and wiring for communication between the DGC and RDP-
110C. Two-wire, RS-485 communication between the RDP-110C and DGC simplifies wiring and ensures
electrical noise immunity over long distances.
STYLE NUMBER
A style number defines the RDP-110C mounting configuration and Digital Genset Controller compatibility. The
style number appears on a label located on the right side of the case. Figure 1 illustrates the RDP-110C style
chart.
Figure 1. RDP-110C Style Chart
SPECIFICATIONS
Control Power
Range: 8 to 32 Vdc
Burden: 2 W maximum
Power Dissipation
Continuous: 3.5 W
Maximum: 5.3 W
Communication
The RDP-110C communicates through a serial, RS-485 port terminated with a 100 Ω resistor.
Audible Alarm
Frequency: 2.9 kHz, ±500 Hz
Sound level: 90 DB(A) at 24 in. (61 cm)
Temperature
Operating range: –40 to 70°C (–40 to 158°F)
Storage range: –40 to 85°C (–40 to 185°F)
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