Mechanical Specifications
SENTRY io size 558.8 mm x 447.68 mm x 241.3 mm
SENTRY io weight 20 kg
Materials Fiberglass
Ratings NEMA-4X, IP65
Operating and storage temperature range -20 °C to 65 °C
Humidity 20-90% relative humidity (non-condensing)
Atmospheric pressure range 86 kPa – 108 kPa
Electrical Specifications
Input power types and ratings 100-240 VAC 50/60 HZ (autoswitching input)
Power consumption (controller alone) 1.4 amps at 24 VDC
Power capacity – max field device power available at
24 VDC
8.6 amps at 24 VDC
Maximum number of inputs 16 analog or 16 analog with HART gas detectors
6 discrete dry contact inputs
Input types supported Analog with HART, Discrete dry contact
Maximum number of outputs 56 relays
16 analog outputs
Output types supported Relays, Analog outputs
Output relay contacts Maximum load:
l
2 A at 240 VAC resistive
l
2 A at 30 VDC resistive
Minimum load:
l
1 mA, 5 VDC
Ground fault monitoring? No
Maximum loop impedance 251 Ohms
Display/Functional Indicators
Touchscreen size and type 178 mm LCD
Functional Indicators System Normal, Alarm, and Fault (located on touchscreen)
Pre-programmed functions Remote Reset and Remote Silence dry contact inputs
Remote access capability Remote display is an available option through Ethernet
connection
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