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Description, Specifications, Installation – Detcon RD-8X User Manual

Page 5: Mounting and cable penetrations

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RD-8X-N4X Operators Manual

1.

Description


The Model RD-8X is a read only remote display unit designed to operate with Modbus™ RS485 sensors or
control systems from Detcon. The unit displays real time channel information on the backlit LCD. Display
information includes the channel number, the gas type, and the gas concentration. The unit will also
display the current Alarm/Fault status via the front panel LED indicators.

Housed in a NEMA 4 water proof enclosure, the Model RD-8X has a built in power supply, providing
multiple power options. 115/230VAC 50/60Hz or 11.5-30VDC can provide power to the unit.

2.

Specifications

Capacity

16 Input Channels

Sensor Inputs

RS-485 Modbus RTU From Control Systems

Accuracy

± 1% Full Scale Range

Outputs

Qty 4 Relays: 1 Form C Contacts per relay
Rated for 5A @ 30VDC, 5A @ 250VAC
RS-485 Modbus™ Slave

Power Input

115-230VAC 50/60Hz
11.5-30VDC

Electri

cal

Power Consumption

Nominal: 1 Watts @ 24VDC
Maximum: 2 Watts @ 24VDC

Display

1”x5” Backlit LCD

Electrical Classification

NEMA 4X

Dimensions

15-3/8”W x 12-3/8”H x 8-1/2”D

Operating Temperature Range

-40F to +167F
-40C to +75C

Physical

Warranty

One year

3.

Installation

3.1 Mounting and Cable Penetrations


Securely mount the Model RD-8X enclosure per the mounting dimensions provided in Figure 1.

NOTE: AC power should be kept separate from DC power and signals within conduit runs.

Model RD-8X-N4X Operator Manual

Rev. 1.0

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