73
E3NW-CRT
User’s Manual
Section 4
Using th
e Dist
ribut
ed Sen
s
or Unit
Section 4
General Specifications of the Distributed Sensor Unit
General Specifications of the Distributed Sensor Unit
The following table gives the general specifications of the E3NW-DS Distributed Sensor
Unit.
*1.
Temperature Limitations Based on Number of Connected Amplifier Units:
Groups of 1 or 2 Amplifier Units: 0 to 55
°
C, Groups of 3 to 10 Amplifier Units: 0 to 50
°
C
Item
Specifications and Performances
Unit power supply voltage
24 VDC (20.4 to 26.4 V)
Power and current
consumption
2 W max. (Not including the power supplied to Sensors.), 80 mA max. (Not
including the current supplied to Sensors.)
Noise resistance
Conforms to IEC 61000-4-4, 1 kV (power supply line).
Vibration resistance
10 to 60 Hz with a 0.7-mm double amplitude, 50 m/s
2
at 60 to 150 Hz, for 1.5
hours each in X, Y, and Z directions
Shock resistance
150 m/s
2
for 3 times each in X, Y, and Z directions
Withstand voltage
500 VAC at 50/60 Hz for 1 min
Insulation resistance
20 M
Ω
min. (at 500 VDC)
Ambient operating
temperature
0 to 55
°
C *1
Operating ambient humidity
25% to 85% (with no condensation or icing)
Operating ambient
environment
No corrosive gases.
Storage temperature
−
30 to 70
°
C (with no condensation or icing)
Storage humidity
25% to 85% (with no condensation or icing)
Installation Procedure
35-mm DIN Track-mounting
