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Products designed for industrial applications.
General terms and conditions for sale are available on
www.camozzi.com.2
Series LR*D2 digital proportional servo valves
CONTROL >
CATALOGUE
>
Release 8.7
/15.32.02
2
CONTROL
SERIES LRWD2 - CODING EXAMPLE
L
SERIES:
L = proportional servo valves
R
TECHNOLOGY:
R = rotating spool
W
VERSION:
W = flow control
D
ELECTRONICS:
D = digital
2
MODEL:
2 = compact DIN-RAIL
3
FUNCTION:
3 = 3/3-way
4
NOMINAL DIAMETER:
4 = 4 mm
6 = 6 mm
1
INPUT COMMAND SIGNAL (Setpoint):
1 = +/- 10 V
2 = 0-10 V
4 = 4-20 mA
A
FEEDBACK SIGNAL:
A = internal encoder
00
CABLE:
00 = no cable
L R W D 2 -
3 4 -
1 -
A -
00
LEGEND:
A = free flow
B = ∆P1
Q = flow
S = set point
Pa = inlet pressure
RESPONSE TIMES ACCORDING TO THE COMMAND SIGNAL
COMMAND SIGNAL
-5% ÷ +5%
+5% ÷ -5%
-25% ÷ +25%
+25% ÷ -25%
-90% ÷ +90%
+90% ÷ -90%
Time [ms] LRWD2-34
4
5
6
9
10
10
Time [ms] LRWD2-36
5
5
6
6
10
10
* closed valve with SET POINT = 0
loaded valve with SET POINT = +
exhaust valve with SET POINT = -
FLOW DIAGRAMS