+
-
r t
y u i
-
26
-
2. Wiring
Power cord and external signal cord are connected according to the procedure as bellow.
Caution
· Never do the wiring when pump is operating. Otherwise you will get an electric shock or the pump will
be failed due to the short-circuit.
· Wait one minute or more after the power is switched off to start the wiring works because the internal cir-
cuit will be electrified just after it is switched off.
· Use the cord of which outer diameter is 7 or 8 mm. If smaller cord is used, enough tightness can not be
obtained
Control unit
Connector
Terminal box
Terminal box gasket
Cord gasket
Cord
Cord nut
Fig. 5
Power
Digital Input
Stop Input
Analog Input
Sensor Power
DC 12 V
10 mA max.
Ground
+
-
+
-
1
2
4
5
6
7
8
Green
•
Wiring for analog input operation
Analog input operation means the pump opera-
tion by input current signal of 0 to 20 mA to
change the stroke rate in proportion to 0 to 360
spm.
For the wiring, connect the wires to the terminals
t
and
i
and fix them by screws. Tightening
torque is 0.4 N·m or less.
t
is plus and
i
is
minus. (Inside resistance : 250 Ohm)
