gefran 2500 User Manual

Advice for Correct Installation for EMC
Instrument power supply
• The power supply to the electronic equipment on the
switchboards must always come directly from an isola-
tion device with a fuse for the instrument part.
• Theelectronicinstrumentsandelectromechanicalpower
devices such as relays, contactors, solenoid valves, etc.,
must always be powered by separate lines.
• Whentheelectronicinstrumentpowersupplyisstrongly
disturbed by the commutation of transistor or power units
or motors, an isolation transformer should be used for
the controllers only, earthing the screen.
• Itisessentialthattheplanthasagoodearthconnection:
- the voltage between neutral and earth must not be >1V
 -theOhmicresistancemustbe<6Ω;
• Ifthemainsvoltagefluctuatesstrongly,useavoltage
stabilizer.
• Intheproximityofhighfrequencygeneratorsorarcwel-
ders, use adequate mains filters.
• Thepowersupplylinesmustbeseparatefromthe
instrument input and output ones.
Inputs and outputs connection
• Theexternallyconnectedcircuitsmustbedoublyisolated.
• Toconnecttheanalogueinputsandanalogoutputsthe
following is necessary:
- physically separate the input cables from those of the
power supply, the outputs and the power connections.
- use woven and screened cables, with the screen
earthed in one point only.
• Toconnecttherelayoutputs(contactors,solenoidvalves,
motors, fans, etc.), fit RC groups (resistance and coden-
sers in series) in parallel to the inductive loads that ope-
rate in Alternating Current.
(Note: all the condensers must conform to VDE
(class X2) standards and withstand a voltage of at
least 220V AC. The resistances must be at least 2W).
• Fita1N4007diodeinparallelwiththecoiloftheinducti-
ve loads that operate in Direct Current.
GEFRAN S.p.A. declines all responsibility for
any damage to persons or property caused
by tampering, neglect, improper use or any use
which does not conform to the characteristics
of the controller and to the indications given in
these Instructions for Use.
Generic standards, emission standard for residential
commercial and light industrial environments
Generic standards emission standard for industrial environment
Emission AC mains
Radiated emission
EN 61000-6-3
EN 61000-6-4
EN 61000-6-3
EN 61000-6-4
CISPR-16-1-4
CISPR-16-2-3
CEI R210-010
Classe B
Classe A
EMC EMISSION
EMC IMMUNITY
Generic standards, immunity standard of industrial environments
Electrostatic discharge immunity
Radiated radio frequency electromagnetic field immunity test
Conducted disturbances immunity
Electrical fast transient/burst immunity test
Surge immunity test
Power frequency magnetic field immunity test
Voltage dips, short interruptions and voltage immunity tests
EN 61000-6-2
EN 61000-4-2
EN 61000-4-3 +A1
EN 61000-4-6
EN 61000-4-4
EN 61000-4-5
EN 61000-4-8
EN 61000-4-11
± 4 kV contact discharge
± 8 kV air discharge
10 V/m amplitude modulated
80 MHz-1 GHz
10 V/m amplitude modulated
1.4 GHz-2 GHz
10 V/m amplitude modulated
0.15 MHz-80 MHz
± 2 kV power line
± 2 kV signal line
Power line-line ± 1 kV
Power line-earth ± 2 kV
Signal line-earth ± 1 kV
100 A/m
100%U, 70%U, 40%U,
LOW VOLTAGE DIRECTIVE SAFETY
Safety requirements for electrical equipment for measurement,
control and laboratory use
EN 61010-1
580291G_MHW_2500_08-2010_ENG
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gefran 2500 Specifications

General

Brand	gefran
Model	2500
Category	Controller
Language	English