SYSFORM CP335B Operation Manual page 5

equipment, power must be shut off to
all circuits before any work is
attempted. Individual switches must
be opened and the equipment circuits
tested to make sure there is no power.
7. Be sure all operators are aware of all
areas and operations that require
extra safety measures.
1.4 AC Supply
1.4.1 Voltage steady state voltage: 0.9 to 1.1 of nominal voltage.
1.4.2 Frequency 099 to 1.01 of nominal frequency continuously; 0.98 to 1.02 for short time.
1.4.3 Harmonics distortion not exceeding 10% of the total r.m.s. voltage between live
conductors for the sum of the 2
1.4.4 Voltage Interruption Supply interrupted or at zero voltage for not more than 3ms at any
random time in the supply cycle with more than 1 s between successive interruptions.
1.4.5 Voltage dips not exceeding 20% of the peak voltage of the supply for more than one
cycle with more than 1 s between successive dips.
1.5 General Physical Environments
1.5.1 The minimum requirement for all electrical equipment is correct operation between air
temperature of +5ﾟC and +35ﾟC.
1.5.2 Electrical equipment is capable of operating correctly when the relative humidity does
not exceeding 50% at a maximum temperature of +45ﾟC.
1.5.3 Electrical equipment is capable of operating correctly at altitude up to 1000m.
1.5.4 Electrical equipment is designed to withstand to protect against the effects of
transportation, and storage temperature within a range of -25ﾟC to +55ﾟC and for short
periods not exceeding 24 hours at up to +70ﾟC.
1.5.5 Avoid exposing to vibration environment.
1.5.6 Avoid exposing to direct sunlight or heat rays.
1.5.7 Have to connect to the factory grounding system correctly.
1.5.8 Away from electric magnetic interference source sites, such welding, discharge
machine.
adjustments while it is running.
7. Do not allow horseplay in the work area
nd
through to the 5
3
th
harmonic.