11 WIRING BLOCK DIAGRAM
11/10
12 DIMENSIONS [mm]
POWER SUPPLY
24VDC ±10%
POWER GND
4700µF
40V
EXTERNAL
REFERENCE
SIGNAL +10V
SIGNAL -
SIGNAL +
0 Vdc
+5VDC 10mA
SIGNAL GND
(
1)
(
1) = OPTION /RR ONLY
CONNECT TO CONTACT 5
FOR CURRENT INPUT
SIGNAL 0÷20mA
P1
RAMP UP
RAMP DOWN
P2
P3
SCALE
P5
DITHER
DEAD BAND
P4
SOLENOID
SP-OZO
1 COIL LEAD
2 COIL LEAD
EARTH
INTERNAL
POWER SUPPLY
CURRENT
FEEDBACK
250Ω
(
1)
(*) Cable clamp PG9 hex. 19
(1)
ELETTROMAGNETIC COMPATIBILITY
Atos electronic drivers and proportional valves are designed according to the 2004/108/CE Directive (Electromagnetic Compatibility) and according
to EN 50081-2 (Emission) and EN 50082-2 (Immunity) standards. The electromagnetic compatibility of electronic drivers is valid only for wirings
realized according to the typical electric connections shown in this technical table.
The device must be verified on the machine because the magnetic field may be different from the test conditions.
SAFETY
The electrical signals (for example reference signals, feedback and enable signal) of electronic drivers must not be used to realize safety condi-
tions of the machine. This is in accordance with the provisions of european directives (Safety requirements of fluid technology systems and com-
ponents-hydraulics, EN 982). Special attention must be payed to switch-on/switch-off of electronic drivers because they could produce uncontrol-
led movements of actuators operated by the proportional valves.
10 IMPORTANT INSTRUCTIONS
13 EARTH CONNECTIONS
CONTROL UNIT
E-MI-AC-01F
PROPORTIONAL VALVE
DRIVING CURRENT
TRANSDUCER
ACTUATORS
RAMPS
CURRENT
AMPLIFIER
SCALE
E: PROTECTIVE EARTH TE: NOISELESS EARTH C : ALTERNATIVE BONDING CONNECTION TO NOISELESS EARTH TERMINAL
BIAS
(*)
STANDARD VERSION OPTION /7 VERSION
12
COIL S1
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