Panasonic EX Series Instruction Manual

INSTRUCTION
MANUAL
Micro Photoelectric Sensor
EX Series
MJE-EXM2 No.0034-43V
1 SPECIFICATIONS
Type
Side sensing
Item Model No. (Note 1) EX-M2E
Sensing range
Sensing object
Hysteresis
Repeatability
0.1mm or less
(perpendicular to sensing axis)
Supply voltage
Current consumption Emitter: 20mA or less, Receiver: 20mA or less
Output
Output operation Light-ON or Dark-ON operation can be selected by changing the connection of the control input wire
Short-circuit protection
Response time
Operation indicator Red LED (lights up when the output is ON), thru-beam type sensor: located on the receiver
Sensitivity adjuster
Protection
Ambient temperature
Ambient humidity
Emitting element
Material
2
Cable 0.14mm 4-core (thru-beam type sensor emitter: 2-core) oil, heat and cold resistant cabtyre cable, 3m long
Weight Emitter: 60g approx., Receiver: 60g approx. Emitter: 60g approx., Receiver: 65g approx.
Accessories MS-EX-1E (Sensor mounting bracket): 2 sets MS-EX-1 (Sensor mounting bracket): 2 sets
Notes: 1) The model No. with suffix 'P' shown on the label affixed to the thru-beam type sensor is the emitter, 'D' shown on the label is the receiver.
Thru-beam type sensor emitter: EX-M2 P, Thru-beam type sensor receiver: EX-M2 D
2) The sensing range of the diffuse reflective type sensor is specified for white non-glossy paper (200
3) If the slit mask (optional) is fitted, an object of EX-M2E: 0.5 3mm, EX-M2: 0.5 2mm can be detected.
2 CAUTIONS
This product has been developed / produced
for industrial use only.
Make sure that the power is off while wiring.
Take care that wrong wiring will damage the
sensor.
Verify that the supply voltage variation is
within the rating.
If power is supplied from a commercial
switching regulator, ensure that the frame
ground (F.G.) terminal of the power supply is
connected to an actual ground.
In case noise generating equipment (switch-
ing regulator, inverter motor, etc.) is used in
the vicinity of this product, connect the frame
ground (F.G.) terminal of the equipment to an
actual ground.
Do not run the wires together with high-volt-
age lines or power lines or put them in the
same raceway. This can cause malfunction
due to induction.
Do not use during the initial transient time
(20ms) after the power supply is switched on.
Take care that the sensor is not directly exposed
to fluorescent lamp from a rapid-starter lamp, a
high frequency lighting device or sunlight etc., as
it may affect the sensing performance.
Extension up to total 100m, or less, is possi-
2
ble with 0.3mm , or more, cable. However, in
order to reduce noise, make the wiring as
short as possible.
Make sure that stress by forcible bend or pulling
is not applied directly to the sensor cable joint.
This sensor is suitable for indoor use only.
Do not use this sensor in places having exces-
sive vapor, dust, etc., or where it may come in
direct contact with water, or corrosive gas.
Take care that the sensor does not come in
contact with water, oil, grease, organic sol-
vents, such as, thinner etc., or strong acid,
and alkaline.
Thank you very much for purchasing Panasonic
products. Please read this Instruction Manual
carefully and thoroughly for the correct and
optimum use of this product. Kindly keep this
manual in a convenient place for quick reference.
Never use this product as a sensing
device for personnel protection.
In case of using sensing devices for
personnel protection, use products
which meet laws and standards,
WARNING
such as OSHA, ANSI or IEC etc., for
personnel protection applicable in
each region or country.
Thru-beam
Top sensing
EX-M2
2m
7mm or more opaque object (Note 3)
0.04mm or less
12 to 24V DC 10% Ripple P-P 10% or less
NPN open-collector transistor
Maximum sink current: 100mA
Applied voltage: 30V DC or less (between output and 0V)
Residual voltage: 1V or less (at 100mA sink current)
0.4V or less (at 16mA sink current)
Incorporated
1ms or less
IP65 (IEC)
-10 to +60 (No dew condensation or icing allowed), Storage: -30 to +70
35 to 85% RH, Storage: 35 to 85% RH
Infrared LED (modulated)
Enclosure: Black PBT (Glass fiber reinforced), Lens: Polycarbonate
3 MOUNTING
EX-M2E, EX-D200E
The tightening torque must not exceed the
values given below.
EX-M2E: 0.58N m
EX-D200E: 0.39N m
EX-M2
The tightening torque should be 0.39N m or
less.
Diffuse reflective
Side sensing
EX-D200E
200mm (Note 2)
Opaque, translucent or transparent object
15% or less of operation distance
30mA or less
Continuously variable adjuster
65g approx.
MS-EX-1E (Sensor mounting bracket): 1 set
Adjusting screwdriver: 1 pc.
Adjuster cap: 1 pc.
200mm) as the object.
M3 (length 16mm)
screw with washers
Sensor mounting bracket
MS-EX-1E (Accessory)
M3 (length 16mm)
screw with washers
Sensor mounting bracket
MS-EX-1 (Accessory)
4 I/O CIRCUIT DIAGRAMS
Color code
D
Z
D
100mA max.
T
r
Internal circuit Users' circuit
Note: The thru-beam type sensor emitter does not incorporate.
Symbols...D : Reverse supply polarity protection diode
Z : Surge absorption zener diode
D
T : NPN output transistor
r
*1: Selecting output operation be connecting
control input wire (pink)
Model No.
EX-M2E EX-M2
Connection
Connected to 0V Light-ON Light-ON
Connected to +V
Dark-ON
Open Dark-ON
5
ADJUSTMENTS
Thru-beam type sensor (EX-M2E, EX-M2)
Beam alignment
Placing the emitter and the receiver face to face
along a straight line, move the emitter in the up,
down, left and right directions, in order to deter-
mine the range of the light received condition
with the help of the operation indicator (red).
Then, set the emitter at the center of this range.
Similarly, adjust for up, down, left and right an-
gular movement of the emitter.
Further, perform the angular adjustment for the
receiver also.
Sensing object
Operation indicator
(Red)
Receiver
Diffuse reflective type sensor (EX-D200E)
After sensitivity adjustment is made, fit the ad-
juster cap.
Operation indicator
(Red)
Adjuster cap
Sensitivity adjuster
Sensor
Sensitivity adjustment
Step Sensitivity adjuster Description
Turn the sensitivity adjuster fully counter-
clockwise to the minimum sensitivity posi-
tion, MIN.
Place an object at the required distance
from the sensor, turn the sensitivity adjust-
er gradually clockwise, and find out point
where the sensor changes to the light re-
ceived condition.
Remove the object, turn the sensitivity adjuster
further clockwise, and find out point
the sensor changes to the light received
condition again with only the background.
When the sensor does not go to the light
received condition even if the adjuster is fully
turned clockwise, point
Optimum position
The position at the middle of points
is the optimum sensing position.
Note: Use the accessory adjuster screwdriver to turn the distance
adjuster slowly. Turning with excessive force will cause dam-
age the adjuster.
12 24V DC
10%
*1
EX-D200E
Dark-ON
Light-ON
Emitter
Sensing object
where
is this extreme point.
and