Power and i/o connections, Ac power, Dc power – Detcon RD-8X User Manual
Page 6: Serial input connection, Figure 1 dimensional overview, 2 power and i/o connections, 1 ac power, 2 dc power, 3 serial input connection
RD-8X-N4X Operators Manual
9.85"
8.95"
8"
11.75"
6.45"
6.85"
RESET
ON/OFF
Mounting Flange
Mounting Flange
Model RD-8X-N4X
Remote Display
Figure 1 Dimensional Overview
3.2 Power and I/O Connections
Power and I/O connections are made on back of the PCB. Plug-in male connectors are provided for input
wiring terminations. This connector style provides for quick disconnect convenience during replacement or
servicing (refer to Figure 3).
3.2.1 AC Power
Connect the 115 or 230VAC input wiring to the terminals at P1labeled “VAC IN” (refer to Figure 3).
3.2.2 DC Power
For optional DC power input, connect 11.5-30VDC to the terminals at P2, labeled “VDC IN” (refer to
Figure 3). This input can be used for primary power or back-up power in the event of a VAC power
failure.
3.2.3 Serial Input Connection
The serial RS-485 connection to sensors or control systems should be terminated at P4 Labeled “COM2”
the RS-485 Master port of the remote display (refer to Figure 3).
Model RD-8X-N4X Operator Manual
Rev. 1.0
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