Electric wiring
DIN terminal and terminal (with light/surge voltage suppressor) are
connected inside as in the figure below. Connect to the corresponding
power supply.
DIN terminal block
Terminal block
Terminal no.
1
2
DIN terminal
+
-
Terminal
+
-
Applicable cable O.D.
Type T:
φ
4.5 to
φ
7 mm
Type E:
φ
2.3 to
φ
2.8 mm
Type D:
φ
6 to
φ
8 mm
Applicable crimp terminal
Type E/T: 1.25-3, 1.25-3S
1.25Y-3N, 1.25Y-3S
(Round or “Y” shaped crimped terminals can not be used for
type “D”.)
Lead wire color (grommet)
Voltage
Color
100 VAC
Blue
200 VAC
Red
DC
Red (+), Black (–)
How to use the needle
Rotate the needle clockwise to close, and counterclockwise to
open.
Effective rotations of the needle
VEX55
∗∗
VEX57
∗∗
VEX59
∗∗
6 turns
8 turns
How to use for the energy saving lifter
<System configuration and operation of circuit in
which external pilot solenoid is used>
The two economy valves (hereinafter called VEX)
○
X
E
A
and
A
○
Y
E
A
and
a tank composes a main system that drives the double acting
cylinder, and the small regulator (hereinafter called REG) and pilot
valve (hereinafter called SOL) remote control the economy valve.
Action
(
●ON,
–
OFF)
SOL
Cylinder
Xa
Xb
Xc
Yb
Ya
Mode
Upward
High speed
●
●
–
●
–
a
Low speed
●
●
●
●
–
b
Downward
High speed
–
●
–
–
●
c
Low speed
–
●
●
–
●
d
Stop
–
–
–
–
–
e
a
：
The air in the upper cylinder chamber is exhausted from the
port 1 (P) of VEX
A
○
Y
E
A
and the air in the tank flows in through
the port 1 (P) of VEX
A
○
X
E
A
.
b
：
Air flows into the lower cylinder chamber through a throttled
opening, set by a needle, from the port 2 (A) to 1 (P) of
VEX
A
○
X
E
A
.
c
：
The air in the tank flows into the upper cylinder chamber at a
preset low pressure from the port 2 (A) of VEX
A
○
Y
E
A
, while the
air in the lower cylinder chamber returns to the tank through
VEX
A
○
X
E
A
.
d
：
Air returns to the tank through a throttled opening from the
port 1 (P) to 2 (A) of VEX
A
○
X
E
A
.
e
：
The air in the lower cylinder chamber is blocked at the port 1
(P) of VEX
A
○
X
E
A
, while the air in the upper cylinder chamber is
blocked at the port 2 (A) of VEX
A
○
Y
E
A
.
Caution
Ground
Sm
Sp
E
REG.
REG.
For lower
hamber
setting
For upper
hamber
setting
Upper cylinder chamber
Lower cylinder chamber
VEX5 Series
Specific Product precautions 2
Be sure to read this before handling.
(2)
(1)
- 8 -
No.VEX
∗∗∗∗
-OMA0019-C
