Emerson 2468CB Weather Radio User Manual


 
2468CB & 2468CD Dual Power Supply Version Hydrastep 2468CB and 2468CD Manual
2-32 24685034
2.7 SPECIFICATION
Enclosure: 425mm x 325mm x 163mm (16.7in x 12.8in x 6.4in)
Brushed stainless steel
Wall-mounting
lP65 / NEMA4X
Gland plate - stainless steel 250mm x 120mm
(9.8in x 4.7in)
Weight of unit: 12kg (26.4lb)
Operating temperature: -20C to +70C (-4F to +158F)
Relative humidity: up to 100%
Location: Indoor or outdoor
Power supply requirements: 115V ac nominal
(ac input) 93.5V - 130V ac / 48Hz - 65Hz
240V ac nominal
187V - 256V ac / 48Hz - 65Hz
Power supply loading (ac): 60VA maximum
Power supply requirements: 24V dc nominal
(dc input) 20-25V dc negative earth or isolated
Note: Under fault conditions, an overvoltage of 30V
can be withstood for short periods.
Power supply loading (dc): 60W maximum
Supply -Vs to plant ground: 7V maximum for non-isolated supply
Installation category: III
Outputs: Drive to remote display (6 or 8 wire)
Opto-isolated fault output
Analogue output
Analogue output:
Range: 0 - 20mA or 4 - 20mA, forward or reverse
Accuracy: ± 0.2mA
Drive capability: 600 at nominal supply voltage
500 at minimum supply voltage
Opto-isolated fault output:
Maximum open-circuit voltage: 30V dc
Maximum short-circuit current: 1A dc
Short-circuit voltage drop: 1.1V dc maximum at 1A dc
Open-circuit leakage current: 1mA maximum at 30V dc
Remote display drive:
Loop Resistance (ac powered unit): 27 maximum
Loop Resistance (dc powered unit): 7 maximum
Distance: 1000m (3280ft) maximum
Electrical connections: Plug-in screw terminals