NF WF1943B - General Items; Environmental Conditions; Power Supply

WF1943B 8-11
8.6 General items
z Input/output ground
The signal ground of FUNCTION OUT and SYNC OUT is floated from the chassis and the input/output
ground of these signals is common.
Signal ground dielectric strength: 42 Vpeak, 30 Vrms (DC to 20 kHz continuous)
The input/output ground of all other signals is connected to the chassis.
z Power supply
Power supply voltage range AC100 V/115 V/230 V ± 10 %
Power supply frequency range 50/60 Hz ± 2 Hz
Power supply fuse Time lag 1 A (100 V/115 V) or time lag 0.5 A (230 V)
250 V, φ5.2 × 20 mm
Consumption electric power 65 VA and less
Overvoltage category II
z Cooling
Forced-air cooling, rear exhaust
z Setup condition
Horizontal (Within 10°)
z Environmental conditions
Ambient temperature and humidity range
Performance guarantee +5 to +35ﾟC, 5 to 85 %RH
(no condensation at an absolute humidity of 1 to 25 g/m
3
)
Storage time −10 to +50ﾟC, 5 to 95 %RH
(no condensation at an absolute humidity of 1 to 29 g/m
3
)
Pollution degree 2
z Insulation resistance
20 MΩ and more (DC 500 V, power input lines versus chassis).
z Withstand voltage
AC 1500 V (power input lines versus chassis).
z Dimensions
216(W) × 132.5(H) × 290(D) mm (Excluding protrusions).
z Mass
Mainframe excluding attachments, options, etc.
Approx. 4.2 kg,
z Safety
EN 61010-1: 2001
z EMC
EN 61326: 1997/A1: 1998/A2: 2001
However, the performance criteria for the following standards are as follows:
EN61000-4-2(1995), EN61000-4-4(1995), EN61000-4-5(1995), and EN61000-4-11(1994):B