| Technical Specifications
Common
Ingress Protection IP66
Weight 800 g
Dimensions 60 X 120 mm
Source mode current 4-20 mA
Max. current 25 mA
Fault current <1 mA
OLC 20d
Power supply: voltage on detector terminals = 2.8 V max
Power consumption: 3-wire version = 400 mA max
Measurement signal: Wheatstone bridge
Line length (shielded cable): 3-wire version = 1 km with 3x1.5 mm2 (32 ohms
in loop mode)
Output signal mV bridge output, 3 wires
OLCT 20d
Power supply: voltage on detector terminals = 15 Vdc to 30 Vdc
Power consumption: 3-wire version = 100 mA
2-wire version = 25 mA
Load resistance: maximum resistance = 250 ohms
Line length (shielded cable): 3-wire version = 1 km as 3x 1.5 mm2 (32 ohms in
loop mode)
2-wire version = 4 km as 3x 1.5 mm2 (32 ohms in
loop mode)
OLCT 20i
Zener barrier: 28 Vdc max - 300 ohms
Supply voltage for barrier: 19 Vdc to 26 Vdc
Voltage on detector terminals: 10 Vdc to 26 Vdc
Power consumption: 25 mA max
Load resistance: 47 ohms
Line length (shielded cable): 1 km as 3x 1.5 mm2 (32 ohms in loop mode)
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