Supplying Power To The Hfg01; Operating Modes - EMS HFG01 Operation Manual

5.2 Supplying power to the HFG01

The HFG01 is powered by an external 24 Vdc power supply unit which connects
to the input socket on the front panel
24 Vdc unit connected will turn the HFG01 on, which will be confirmed by the
green indicator

5.3 Operating modes

The operating mode is selected using the Test Mode switch
each test mode is described in Table 1 below. Note that if the Test Mode switch is
changed whilst a test is running, the test is automatically disabled.
Mode Test Mode Setting
Flicker 8.3Hz
1 Hz
Harmonics Fixed
Fluctuating
©York EMC Services
HFG01 Operation Manual
Figure 2: HFG01 power supply
. Pressing the power switch again will turn the HFG01 off.
Figure 3: HFG01 mode selection
Load Profile Description
Produces Pst value of > 1
(above the pass limit defined in EN/IEC61000-3-3)
Produces Pst value of < 1
(below the pass limit defined in EN/IEC61000-3-3).
Single repetitive harmonic-rich current waveform
Repeating current profile alternating between two distinct
waveforms over a 10 second cycle
Table 1: HFG01 load operation test modes
Page 12 of 21
. Pressing the power switch
Doc. No. Y0321/DOC/038 Rev. 2
with the
. The operation of