Wire Automatic Device MWSSTSR2 Users Manual
FCC ID: UXEMWSSTSR2 Report No. M060937_Cert_MWS_ST_SR
EMC Technologies Report Number: M060937_Cert_MWS_ST_SR
APPENDIX G
USER MANUAL
EMC Technologies Pty Ltd – 57 Assembly Drive, Tullamarine VIC 3043 Australia
www.emctech.com.au
WADECO MICROWAVE LEVEL SWITCH MWS-ST/SR-2 DELUXE MODEL
MWS
MWSMWS
MWS
----
ST/SR
ST/SRST/SR
ST/SR
----
2 DELUXE
2 DELUXE 2 DELUXE
2 DELUXE
SERIES
SERIESSERIES
SERIES
MICROWAVE LEVEL SWITCH
OPERATION MANUAL
MWS-ST-2 [TRANSMITTER]
DELUXE MODEL
MWS-SR-2 [TRANSCEIVER]
1
TABLE of CONTENTS
This equipment has been tested and found to
comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable
in a
This equipment
generates, uses and can radiate radio
frequency energy and, if not installed and used
in accordance with the instructions, may cause
ations.
However, there is no guarantee that
interference will not occur in a particular
installation. If this equipment does cause
harmful interference to radio or television
reception, which can be determined by turning
r is
to try to correct the interference by
Increase the separation between the
Connect the equipment into an outlet on a
t from that to which the
Consult the dealer or an experienced
OPERATION PRINCIPAL…... 3
FEATURES…………………… 4
SPECIFICATIONS…………... 5
APPLICATIONS………….….. 6
WADECO MICROWAVE LEVEL SWITCH MWS-ST/SR-2 DELUXE MODEL
FCC Modification Warning
Any changes or modifications not expressively
approved by WADECO LTD. could void the
user's authority to operate this equipment.
NOTE:
protection against harmful interference
residential installation.
harmful interference to radio communic
HARDWARE OPTIONS….…. 9
DIMENSIONS & PART
NUMBERS……………………. 11
INSTALLATION &
MOUNTING…………………… 13
WIRING……………………….. 16
FUNCTION OF SWITCHES,
INDICATORS AND
RHEOSTATS…………………. 18
the equipment off and on, the use
encouraged
one or more of the following measures:
• Reorient or relocate the receiving antenna,
•
equipment and receiver,
•
circuit differen
receiver is connected,
•
radio/TV technician for help.
SENSITIVITY
ADJUSTMENT……………….. 19
GUARANTEE………………… 20
2
OPERATION PRINCIPAL
ST/SR type microwave sensor is
ansmitter
)
The transmitter emits a continuous, low
power microwave beam towards the
and an output relay is released
The sensor has wide application across all
. The
sensor is generally used for process control
ing presence/absence of product,
flow conditions and point level
sensor may
also be used as a proximity switch for
detection of vehicles such as dump trucks
Harsh environments may result in a buildup
of contaminants on the sensing head;
however, the sensor is easily able to
enetrate such buildup thanks to the high
When microwaves transmitted through air
encounter an object, some will be reflected,
through the object. The amount of
e object
Generally speaking, microwaves cannot
Microwaves can easily pass through
s output is regulated to assure
compliance with FCC Rule 15, covering field
With low output power, the sensor’s power is
ST/SR level switch is the first of
heterodyne detection
obsolete, diode
The heterodyne detection method gives
detection output that is proportional to the
received power level, whereas the diode
t
is proportional to the square of the received
Therefore the heterodyne method allows
detection with a minimum received power
that is lower than that of the minimum level
This
erating
range/penetrability without any increase in
the power of the transmitted microwave
General
The MWSa level switch consisting of a tr
(MWS-ST-2) and a transceiver (MWS-SR-2
installed face-to-face.
transceiver
when the beam is obstructed.
areas of industry where highly reliable, noncontact level detection is required
by monitor
flow/no
detection in bins and silos. The
WADECO MICROWAVE LEVEL SWITCH MWS-ST/SR-2 DELUXE MODEL
well below the American OSHA exposure
specifications as stated in Section 1910.97.
There are no health hazards to personnel
operating WADECO sensors: no license,
approval or caution sign posting is required.
Heterodyne vs. Diode Detection
The MWSits kind to utilize the
method rather than the, now
detection method.
Detection output
and rail cars.
Penetrability of Microwaves
p
penetrability of microwaves.
some absorbed and the rest will pass
microwaves passing through th
depends on its composition.
penetrate metals and are reflected; water
absorbs the most microwaves.
Received power level
Heterodyne method (WADECO)
Diode method (commonly used)
Noise level
Minimum received power: -70dBm
Minimum received power: -50dBm
detection method gives detection output tha
power level.
plastics, glass, ceramic, paper etc.
Safety of Microwaves
The sensor’
disturbance devices.
required by the diode detection method.
greatly increases the op
radiation.
3
FEATURES
100m Range with heterodyne detection
27mm
antenna, thanks to the Heterodyne
process buildup on
antenna, firebrick, refractory etc., thanks to
is unaffected by surface
contaminants, flames, steam, vapor or
Easy initial beam alignment at installation,
Either broken beam (BLOCK) or unbroken
beam (UNBLOCK) detection method may
0.1~10secs.,
prevents instantaneous detection of falling
icator array displays the
point, allowing for visual sensitivity
e (CH1~4),
nterference. The sensor can also
operate in regular single channel mode by
The received power level may be output
The received power level and the
point are easily seen,
TRANS
CEIVER
CONTROLS
Beam obstructed
Approx. 100m range with a Ø
detection method.
High penetration
Easily penetrates
the increased operating range.
Unaffected by adverse environments
The sensor
airborne particles.
Simple beam alignment
thanks to the wide beam angle.
Selectable detection mode
be selected.
On delay time rheostat
On delay time, adjustable
WADECO MICROWAVE LEVEL SWITCH MWS-ST/SR-2 DELUXE MODEL
Transceiver
Transmitter
Beam unobstructed
Sensitivity-set-point
Relay OFF
material whist filling.
15 LED indicator bank
A 15 LED ind
received power level and the sensitivitysetadjustment and maintenance.
No set-to-set interference
Four channels are availabl
selectable by rotary switch, eliminating setto-set i
selecting CH0.
Analog output (optional)
as a 4 ~ 20mA analog signal.
Inspection window (optional)
sensitivity-setwithout removing the controller cover.
Received power levels
Relay ON
4
SPECIFICATIONS
Type
NOTE: Phase of power supply must be the
Note: Operating distance may vary from
sensor to sensor and according to
ule 15 and
OSHA exposure specification stated in
Section 1910.97. Caution sign posting not
perate in single channel mode
by selecting CH0; doing so will disable the
(angle in half of receiving
On delay function
Output occurs on change of state, but only
after any delay period has past. Output
wave noise from noise simulator
: 1
ormal and
common modes), with the frequency of the
Note: Optional hardware is available for
WADECO MICROWAVE LEVEL SWITCH MWS-ST/SR-2 DELUXE MODEL
Transmitter : MWS-ST-2
Transceiver : MWS-SR-2
Power supply
AC100~120V ±10% 50/60Hz &
AC200~240V ±10% 50/60Hz
same for both transmitter and transceiver.
Operating distance
<80 meters
installation.
Frequency & transmission power
Approx. 24GHz, less than 10mW
Note: Complies with FFC Title R
required.
Number of channels
Single Channel Mode (CH0): 1
Multi Channel Mode (CH1~4): 4
Note: May o
multi channel function.
Received power level
Indicated by 1 of 15 LED indicators
Note: Indicator is fully illuminated
Sensitivity-set-point
Indicated by 1 of 15 LED indicators
Note: Indicator is half illuminated
Radiation angle
Approx. ±20°
value)
Output contact (on receiver)
1C relay contacts AC250V, 3A (COSØ=1)
Response time
25msec (when in multi channel mode)
10msec (when in single channel mode)
0.1 ~ 10sec
Condition of output function
relay is unexcited during output state.
Delay time from power on to function
Transmitter : Approx. 50msec.
Receiver : Approx. 5sec
Power consumption
Transmitter : 2VA
Receiver : 2VA
Noise tolerance
Square
(Rising time: 1 nanosecond, Width
microsecond), ±1.5KV (n
power supply in the 0º ~ 360º phase.
Operating ambient temperature
-10ºC ~ +55ºC
high temperature applications up to 600ºC.
Non-function ambient temperature
-20ºC ~ +70ºC
Continuous maximum pressure
0.5MPa
Note: Optional hardware is available for
high pressure applications.
Enclosure rating
IP65 Equivalent
Enclosure construction
Diecast aluminum
Color
Metallic silver grey
Weight
Transmitter : 1kg
Receiver : 1kg
5
APPLICATIONS
Hi/low level of liquids in tanks,
Standard Applications
Blocked Chute Detection
Note: Install the sensors behind the
material flow to avoid false
detection.
Hi/low level of solids in cyclone
bins, hoppers, silos etc.
WADECO MICROWAVE LEVEL SWITCH MWS-ST/SR-2 DELUXE MODEL
Transceiver
MWS-SR- •
Transmitter
MWS-ST- •
and other storage vessels.
Transceiver
MWS-SR- •
Transceiver
MWS-SR- •
Transmitter
MWS-ST- •
Transmitter
MWS-ST- •
Transmitter
MWS-ST- •
Transceiver
MWS-SR- •
Transmitter
MWS-ST- •
Transceiver
MWS-SR- •
6
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