CATALOGUE release 8.8

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Products designed for industrial applications.
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Series LR digital proportional servo valves CATALOGUE
2
/15.32.06 2
> Release 8.8 CONTROL >
CONTROL
Series LR digital proportional servo valves - dimensions
The detailed user and maintenance manual and
the Hardware configuration Software of the valve is
available online at .
PIN SIGNAL DESCRIPTION
1 +5V +5V power supply for external potentiometer transducer (ref. GND).
If used, it is necessary to connect RIF- with GND.
2 24 V DC 24V DC power supply (logic and motor): connect to the positive pole of the 24V DC power supply (ref. GND)
3 RIF- GND reference or NEGATIVE pole of the command signal (0-10V / 4-20mA / ±10V)
4 RIF+ POSITIVE reference of the command signal (0-10V / 4-20mA / ±10V)
5 EXT for LRWD valve:
for LRXD valve:
for LRPD valve:
not used
feedback signal of the external transducer 0-5V / 0-10V / 4-20mA (ref. RIF-)
feedback signal of the external transducer 0-5V / 0-10V / 4-20mA (ref. RIF-).
To be used only with LRPD2 valve versions with external sensor.
6 FBK feedback signal 0-10V / 4-20mA (ref. GND)
7 GND common (reference pin 1 and 2): connect to the negative pole of the 24V DC power supply (compulsory)
8 ERR for LRWD and LRPD valve:
for LRXD valve:
error signal (output) 0-24V (ref. GND)
command signal 0-10V for slave valve (ref. GND)