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Esma E992 - Tank Level Control Systems; High;Low Level Sensor Operation; Drying Process; Hot Air Drying Procedure

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Celebrating over 30 years of excellence in manufacturing ultrasonic cleaning
equipment, electropolishing equipment and associated chemistries
ESMA, Inc.
P. O. BOX 734 * SOUTH HOLLAND, IL 60473 * (800)-276-2466 * FAX (708)331-8919
Page
14
The control box on the rear of the E992 unit has an Ethernet port
for connection to a data collection server (See photo above). An
FTP protocol will need to be used to collect the data.
IP address: 192.168.1.1, Subnet mask: 255.255.255.0
The raw data is comma delimited.
High and low Level Control
The tank has a high level sensor and a low level
sensor located in the tank wall. The high level
control will shut the main input solenoid S20 if the
solution level gets to high in the tank.
A low level sensor in the tank wall is located
approximately 3” from the bottom of the tank.
This sensor will send a signal to the PLC to halt
the program if tripped. The adjacent message will
appear on the interface in the event that this sensor
is tripped, indicating that not enough fluid was pumped into the tank:
Drying
In the drying portion of the programs, the incoming air is heated in the tank cover
to 160-180° F and forced by the fan through the tank cover. CAUTION: Do not
touch the cover during the drying cycle because some areas of the cover will be
hot.
Drying time will vary depending on the number of parts to be dried, if hot or cold
water was used to rinse parts before drying and if the cover is closed. Generally
parts should be dry in 7- 10 minutes.

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