D461R1-Manual_EN_Rev01 2022_JAN_18 Page 33 to 37
4 Technical Specifications
4.1 Technical Data of Inputs (intrinsic safe)
Response level 4 V, Input impedance approx. 47 k.
Sensor supply (operational value) 8 volts.
Approved maximum values: Uo = 8.7 V
Io = 64 mA
Po = 384 mW
Lo = 7.9 mH (IIC)
= 38 mH (IIB)
Co = 5.9 µF (IIC)
= 50 µF (IIB)
Versions D461R1.11 and D461R1.12
The sensor has to be connected to the signal input by 3 leads shielded cable. Recommended
wire cross section LiYCY 3x0.5 or larger.
Version D461R1.21
The sensor has to be connected to the signal input by 4 leads shielded cable. Recommended
wire cross section LiYCY 4x0.5 or larger.
4.2 Technical Data of Outputs
Outputs are short-circuit-proof and free-floating versus power supply and input.
Active pulses by push-pull transistor output stage, sequence inverting the input signal.
Output level with maximum load towards 0 V: High-Level approx. 18 V
Low-Level 0 V
Output level with maximum load towards 24 V: High-Level approx. 20 V
Low-Level approx. 2 V
Version D461R1.11 incorporates one signal output, versions D461R1.12 and D461R1.21
incorporate two signal outputs each.
4.3 Technical Data of Power Supply
D461R1.xxU1: 18...40 V AC resp. V DC, power requirements approx. 5 VA.
D461R1.xxU2: 85...250 V AC, power requirements approx. 5 VA.
4.4 Environmental conditions
Ambient temperature in operation: -20 °C...+50 °C
Ambient temperature in storage: -20 °C...+85 °C
Relative humidity: < 95%, non-condensing
To be installed in dry cabinets in air-conditioned rooms
Up to 2000 meters above sea level
4.5 Protection Grade
Protection Grade: IP20
As a special version, the barrier is available in enclosure grade IP65
(NEMA4), or in explosion-proof enclosure (Exd II C T5).
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