5 1 Pump / Pressure Control
5 1 Pump / Pressure Control
Figure 5.1
A water Supply System
Figure 5.1
A water Supply System
ETR-8300-4137XXX
Kg/cm
2
3
AC
3
AC
Motor
Pump
OUT1
IN1
OUT2
DC20V
4-20 mA
4-20 mA
4-20
mA
4-20
mA
Speed
Control
Speed
Control
AC
Inverter
Water
Water
Pressure
Sensor
Pressure
Sensor
Pressure
Reservoir
Pressure
Reservoir
Pressure Reservoir: Providing a smoother pressure for the system.
Pressure Reservoir: Providing a smoother pressure for the system.
In the above application , it is required that the water pressure be controlled at
10 Kg/cm , to achieve this, the following devices are used for this example:
In the above application , it is required that the water pressure be controlled at
10 Kg/cm , to achieve this, the following devices are used for this example:
2
Pressure Sensor: A three-wire or two-wire type pressure transducer with 0-20
Kg/cm
range.
Pressure Sensor: A three-wire or two-wire type pressure transducer with 0-20
Kg/cm
range.
2
Pump: An economical type
Pump: An economical type
Motor: A 3-
induction motor.
Motor: A 3-
induction motor.
Inverter: To supply a variable frequency AC voltage to the motor.
Inverter: To supply a variable frequency AC voltage to the motor.
ETR-8300-4137XXX:
ETR
Order an
-8300 with standard input, 4-20 mA output 1,
20V DC output 2 for sensor power.
ETR-8300-4137XXX:
ETR
Order an
-8300 with standard input, 4-20 mA output 1,
20V DC output 2 for sensor power.
82
PUMP: A Cost Effective
yet Perfect Solution
PUMP: A Cost Effective
yet Perfect Solution
Chapter 5 Applications
Chapter 5 Applications
ETR-8300
Out1 Out2
Alm1 Alm2
Regulated water supply systems are widely used in residence, water,
chemical, electrical, and semiconductor plants...etc. Taking advantage of the
PUMP function, the ETR-
can be used for these applications to achieve
an
yet
solution. Here is an example:
8300
economical
versatile
Regulated water supply systems are widely used in residence, water,
chemical, electrical, and semiconductor plants...etc. Taking advantage of the
PUMP function, the ETR-
can be used for these applications to achieve
an
yet
solution. Here is an example:
8300
economical
versatile