WT sensor PCM710Y User manual

Version No.: V1.0 1www.wtsensor.com
PCM710Y Intelligent Level Switch
Features
■High precision
■Adjustable response time
■NPN, PNP compatible, free
switching
■Button operation, shortcut
button for one-click zero
calibration, fast unit switching
■OLED shows the current
liquid level
■Level measurement for the
liquid, oil medium etc.
Applications and industries
■Hydropower
■Chemical industry
■City water supply
■Scientific research
■Accurate measurement and
control of pressure of fluids
Notes:
1 Please read the Instruction Manual
of the product carefully before
installation and check the relevant
information of the product.
2 Strictly follow the wiring method for
wiring, otherwise it may cause
product damage or other potential
faults.
3 Misuse of the product may cause
danger or personal injury.
Product overview
PCM710Y Intelligent Level Switch is a product which
integrates level measurement, display and control. This
product is in full-electronic structure, with the stainless steel
silicon pressure sensor probe throw-in type usage mode, under
elaborate design and adjustment, so as to realize the high speed
reaction of the level switch. The output signal is processed by
the amplifier with high precision and low temperature drift, and
then sent into high precision A/D converter. Through arithmetic
processing by microprocessor, the output signal is displayed on
site with 2-way switch quantity and 4~20mA analog quantity,
accomplishing the measurement and control for the liquid level
of the control system.
This intelligent level switch has advantages of flexible use,
simple operation, easy commissioning and high safety and
reliability. With the separate design for the probe and the display
gauge head, this level switch has the features of easy
installation, explicit indication etc. It is widely used for the liquid
level measurement and control of oil can, oil tank, tank car, and
in tap water, food hygiene, petroleum, chemical, mechanical,
hydraulic and other industries.
Notes:
1 Do not misuse documentation.
2 The information presented in this product sheet is for reference only.
Do not use this document as a product installation guide.
3 Complete installation, operation, and maintenance information is
provided in the instructions of the product.
4 Misuse of the product may cause danger or personal injury.

Version No.: V1.0 2www.wtsensor.com
Performance parameters
Pressure range
0～1m H2O…5m H2O
Overload capability
150～300%FS
Accuracy
±0.2%FS, ±0.5%FS
Power supply
12～30V, 24V recommended
Display mode
OLED display of 4 digits
Output mode
2-way switch quantity, NPN and PNP compatible + 4～20mA
Load capacity
≤24V 1.2A
Power consumption
≤15mA
Operating temp.
-25℃～80℃
Storage temp.
-40℃～100℃
Response time
≤20ms
Insulation
100MΩ/250VDC
Protection grade
IP65
Structural performance parameters
Housing material
304
Medium compatibility
Liquid contacting diaphragm 316L, probe 304
Outline dimension
In mm
Dimension

Version No.: V1.0 3www.wtsensor.com
Wring method
M12×1
Wiring definition
Wiring diagram
1: VCC (Supply +)
2: SP2 (Switch 2)
3: GND (Supply -)
4: SP1 (Switch 1)
5: 4～20mA
PNP output wiring diagram
NPN output wiring diagram
Signal interference suppression
DAP
damping mechanism:
As the switch action
determination basis, the
current pressure
measurement value
sampling frequency is
programmable. When
DAP starts, the pressure
sampling data will be the
average pressure value
over a period of time.
The low sampling
frequency can effectively
restrain the high
frequency pressure signal
noise.

Version No.: V1.0 4www.wtsensor.com
Switch action time-delay
mechanism:
When the pressure switch
captures a switch action
task, the user can select
to adopt the
instantaneous switch
action or the subsequent
action after the delayed
t/s. During the delayed
time, the pressure switch
doesn’t respond to any
switch operation, so as to
avoid repeated switch
actions.
Fast operating mode
When the system is under
the normally displayed
liquid level, the functions
of fast zero point
correction and fast unit
switchover can be
realized by pressing
[▲]/[▼].
Operating instructions for the
keys
· When the liquid level is
displayed normally
③ [●]Short-press to call out the
menu interface
④ [▼]Long-press the fast zero
point correction
⑤ [▲]Short-press the fast unit
switchover

Version No.: V1.0 5www.wtsensor.com
Pressure range selection
Pressure range code
Pressure range
Overpressure %FS
Burst pressure %FS
1m
0～1m H2O
300
600
2m
0～2m H2O
300
600
5m
0～5m H2O
300
600
Switch action characteristics
Supporting two kinds of
switching modes:
1. Hysteresis mode
2. Window mode
Normally open/Normally
closed options

Version No.: V1.0 6www.wtsensor.com
How to order
PCM710Y - 1m B1
Example: PCM710Y-1mB1
Refer to PCM710Y Level Switch, with pressure range 1m H2O, and output of 2-way switch
quantity
Accessory
Name
Specifications
M12×1 female with wire
M12×1 female 5-pin with wire 2m
Ordering tips
(1) Please ensure the compatibility between the measured medium and the contacting part of theproduct
when placing an order.
(2) If there are special requirements for the product appearance or performance parameter, our company
can provide customization.
Wotian reserves the right to make any change in this publication without notice. The information
provided is believed to be accurate and reliable as of this product sheet.
Contact us
Nanjing Wotian Technology Co.,Ltd.
website: www.wtsensor.com
Add: 5 Wenying Road, Binjiang Development Zone, Nanjing, 211161, China
Sales Manager: Wuzhou Lian
Email: [e-mail]
Product model
Refer to “Pressure range selection”
B1: 2-way switch quantity
B2: 2-way switch quantity + 4-20mA