User manual

10 - UR4848 - User manual UR4848 - User manual - 11
5 Electrical wirings
WARNING
Although this controller has been designed to resist noises in
an industrial environment, please notice the following safety
guidelines:
• Separatecontrollinesfromthepowerwires.
• Avoidtheproximityofremotecontrolswitches,electroma-
gnetic meters, powerful engines.
• Avoidtheproximityofpowergroups,especiallythosewith
phase control.
5.1 Wiring diagram
UR484802
UR484803 UR484804
V/I
Power
10
24...230V
AC/DC
SUPPLY
9
Switching power supply with extended range
24…230 Vac/dc ±15% 50/60 Hz – 5,5 VA (with galva-
nic isolation).
AN1 Analogue Imput
For thermocouples K, S, R, J.
• Complywithpolarity.
• For possible extensions, use a compensated
wire and terminals suitable for the thermocou-
ples used (compensated).
• When shielded cable is used, it should be
grounded at one side only.
Red
White
Red
For thermoresistances PT100, NI100.
• Forthethree-wireconnectionusewireswiththe
same section.
• Forthetwo-wireconnectionshort-circuittermi-
nals 1 and 3.
• When shielded cable is used, it should be
grounded at one side only.
• SelectinternaljumperJP3 as in the gure.
For thermoresistances NTC, PTC, PT500, PT1000 e
potentiometers.
When shielded cable is used, it should be grounded
at one side only to avoid ground loop currents.