Detcon RD-8X - Manual (Page 5)

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 Page 1 of 14