SMC Networks HRL100-A 40 Series User Manual

HRX-OM-X037
Chapter 5 Display and Setting of Various Functions
5.4 Description of the Screen HRL Series
5-44
Table 5.4-15 Settings of electric conductivity (AL27)
No.
Indication
Item
Explanation
Setting range
(1)
Electric
Conductivity
SP
Target electric
conductivity
value
Sets a target electric conductivity value.
0.5 to 45.0μS/cm
25.0μS/cm
(2)
Hysteresis
Electric
conductivity
hysteresis
Sets an electric conductivity hysteresis.
Refer to ■ About electric conductivity
control (P.5–44) for details.
0.1 to 10.0μS/cm
0.5μS/cm
(3)
Control
Solenoid valve
operating
method

Controls the solenoid valve
to achieve the target value.
－
Normally open (remains
open when product is
stopped)
Normally close
(4)
High Electric
Conductivity
Alarm
AL27: Setting
of CH2
electrical
conductivity
increase alarm
“AL27” activates when electrical
conductivity increases above the set
value. This sets the setting value and
operation when an alarm occurs.
“AL27” automatically turns off the alarm
when the electrical conductivity falls below
the set value.
0.4 to 46.0μS/cm
45.0μS/cm
Disabled

Operation continues during
the alarm
By default
■ About electric conductivity
An example of control of electrical conductivity control is shown in Figure 5-7 Example of
electrical conductivity control.
Example operation of electric conductivity control
Fig.5-7 Example of electrical conductivity control
•Target electrical conductivity value : 25.0 [µS / cm]
• Electrical conductivity control hysteresis : 5.0 [µS / cm]
Electric conductivity
Elapsed time
Electric conductivity
Solenoid valve : Open
Solenoid valve : Close
Target electrical
conductivity value
[μS/cm]
30
25
20
10
0

SMC Networks HRL100-A 40 Series Specifications

General

Brand	SMC Networks
Model	HRL100-A 40 Series
Category	Chiller
Language	English