18
Installation
Electrical wiring
Signal cable distribution
■
When not using a signal distributor
●
Pulse signal
You can connect multiple instances of this pump in parallel and apply pulse signals and operation/stop signals to the
pumps.
Pump
Open collector
or
no-voltage contact signal
COM
Approximately
0.5 mA
Approximately 0.5 mA
× n pumps
Approximately
0.5 mA
COM
Pump
(4)
(6)
(4)
(6)
●
Analog signal
You can connect multiple instances of this pump in series and apply analog signals to the pumps.
PWM
110
Ω
110
Ω
+
+
−
−
+
−
Analog
signal
PWM
(4)
(6)
(4)
(6)
✽
If you remove a pump during maintenance or similar operations or if a pump is malfunctioning, the analog signal will
be interrupted, and the other pumps will stop. If you want to ensure that these other pumps continue operating even
in these situations, install a signal distributor.
■
When using a signal distributor
●
Pulse signal
Pump
Signal distributor
Supplied power
Open collector
or
no-voltage contact signal
+
−
Pump
(4)
(6)
−
+
(4)
(6)
●
Analog signal
Signal distributor
Supplied power
PWM
110
Ω
110
Ω
+
+
−
−
Analog
signal
PWM
(4)
(6)
(4)
(6)
Model comparison table
Pulse signal Operation/Stop signal
PW
{
{
PWM
¯
{
PWT
{
*
1
{
*1 Only when the pump is operating can
it be used with “timer c pulse
input-based proportional control.”
08-32̲EM-127̲PW(E).indd 18
2014/11/17 11:43:55
Содержание CLPW Series
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