Wireless Pushbutton Switch
A2W
Wireless switch using sub-GHz band
Combines wireless reliability and
ease-of-use in consideration of work
environments
• Sub-GHz band for reduced interference and better signal
propagation to difficult-to-reach areas
• Visualization of impedance to wireless transmission because of
damage or noise, using Master Unit error output
• Visualization of Slave button reception status using reception
confirmation LEDs
• Transmission distance independent of the transmission
For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.
position of the Slave button
• Visualization of configuration using PC tools
*
that avoid
erroneous ID registration
• Visualization of signal quality in display and usage environments using PC tools
*
• 8 outputs with focus on decentralized control
• Self-power generation eliminates battery replacement and enhances safety and energy saving in the Slave button
• Slave button's shape allows easy use of buttons
*
Release planned for April 2018
System Components
Display board or PT, etc.
Master Unit A2W-R@@-WC1
PLC, etc.
Transistor output
Up to 8 points
The Slave button transmits an operation
signal to the Master Unit, and the Master
Unit responds a reception confirmation
signal to the Slave button.
Wireless
Slave button A2W-T@-WC1 (Up to 8 points)
9
A2W
Model Number Structure
Model Number Structure
Slave button
A 2 W-
@ @
- WC@
@ @ @ @ @
1
2
3
4
5
6
7
1.
Slave button
T
2.
Frequency (MHz)
C
922.5
3.
Protocol
1
OMRON's protocol
4.
Area
US
United States or
Canada
5.
Button type
1
2
Mushroom
Full guard
6.
Button color
R
G
Y
A
W
B
Red
Green
Yellow
Blue
White
Black
7.
Flange color
R
Y
B
Red
Yellow
Black
Note:
This product is a wireless device that conforms to the radio regulations of United States or Canada.
It cannot be used outside of United States or Canada.
For product details, please contact us separately.
Master Unit
A 2 W-
@ @ @
- WC@
@ @
1
2
3
4
5
1.
Master Unit
R
2.
Frequency (MHz)
C
922.5
3.
Output Configuration
N
P
Sinking Outputs
Sourcing Outputs
4.
Protocol
1
OMRON's protocol
5.
Area
US
United States or
Canada
Note:
This product is a wireless device that conforms to the radio regulations of United States or Canada.
It cannot be used outside of United States or Canada.
For product details, please contact us separately.
10
A2W
Ordering Information
Unit
Type
Button type
Frequency (MHz)
Area
United States or
Canada
United States or
Canada
United States or
Canada
United States or
Canada
United States or
Canada
United States or
Canada
United States or
Canada
Slave button
922.5
United States or
Canada
United States or
Canada
United States or
Canada
United States or
Canada
Full guard
United States or
Canada
United States or
Canada
United States or
Canada
United States or
Canada
United States or
Canada
Button color
Red
Green
Yellow
Blue
White
Black
Black
Black
Red
Green
Yellow
Blue
White
Black
Black
Black
Flange color
Black
Black
Black
Black
Black
Red
Yellow
Black
Black
Black
Black
Black
Black
Red
Yellow
Black
Model
A2W-TC-WC1 US1RB
A2W-TC-WC1 US1GB
A2W-TC-WC1 US1YB
A2W-TC-WC1 US1AB
A2W-TC-WC1 US1WB
A2W-TC-WC1 US1BR
A2W-TC-WC1 US1BY
A2W-TC-WC1 US1BB
A2W-TC-WC1 US2RB
A2W-TC-WC1 US2GB
A2W-TC-WC1 US2YB
A2W-TC-WC1 US2AB
A2W-TC-WC1 US2WB
A2W-TC-WC1 US2BR
A2W-TC-WC1 US2BY
A2W-TC-WC1 US2BB
Mushroom
Master Unit
Type
Master Unit
Frequency (MHz)
922.5
Area
United States or Canada
Output configuration
Sinking Outputs
Sourcing Outputs
Model
A2W-RCN-WC1 US
A2W-RCP-WC1 US
Note:
This product is a wireless device that conforms to the radio regulations of United States or Canada.
It cannot be used outside of United States or Canada.
For product details, please contact us separately.
Options (sold separately)
Type
High-sensitivity magnetic-base antenna
Slave button holder
Slave button strap
Model
A2W-AT2.5-WC1
A2W-H-WC1
A2W-S-WC1
Remarks
Frequencies: all frequencies supported, cable length 2.5 m
Degree of protection: IP65
One A2W-H-WC1 is included at purchase of a slave unit.
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A2W
Ratings
Wireless Specifications
Item
Set frequency
Frequency channels
Transmission power
Wireless service area communications
speed
Communications method
Number of wireless pushbuttons
connected
Communications distance (line of sight)
Transmission time
Repeater function
Slave button model
Master Unit model
922.5 MHz
1 channel
50 mV/m max.
100 kbit/s
Simplex communications
8 max.
Approx. 100 m outdoors (with the included pencil antenna)
Approx. 3 ms (from Slave button transmission to Slave button reception)
Not supported.
A2W-TC-WC1@@@@@
A2W-RC@-WC1
@@
Applicable Standards
Area
United States or
Canada
Wireless standards
Approved by 47 CFR 15.205
Approved by 47 CFR 15.209
Approved by 47 CFR 15.249
Approved by RS-210
Safety standards
Approved by cULus 62368-1
Conforms to IEC 623680-1
Conforms to EN 62368-1
EMC standards
Conforms to EN 301 489-1
Conforms to EN 301 489-3
Conformance to EN Standards
Use a DC power line less than 3 m to conform to EN standards.
If a power line of 3 m or longer is required, extend the length at the Switching Power Supply's primary side (i.e., the AC power line).
Slave button
Ratings
Item
Operating force
Number of operations
Vibration resistance
Shock resistance
Ambient operating temperature range
Ambient operating humidity range
Atmosphere
Storage temperature range
Storage humidity range
Degree of protection
Altitude
Weight
25 N max.
1,000,000 operations
Frequency: 10 to 55 Hz, half amplitude: 0.75 mm
Sweep 5 min, 2 h
1,000 m/s
2
Direction: 3-axis, 6 directions
-10 to +55°C (no condensation or freezing)
20% to 90%, (no condensation)
No corrosive gas
-40 to +70°C (no condensation or freezing)
20% to 90%, (no condensation)
IP65
2,000 m max.
100 g max.
Specifications
Reception Confirmation LED
Item
Green
Yellow
Red
Not lit
Details
Reception success (received field strength “Strong”)
Reception success (received field strength “Weak”)
Reception failure
Slave button fault (no signal transmission from Slave button)
Operating Characteristics
Item
Operating force
Total travel
Code
OF
TT
Unit
N
mm
Initial standard value
25 N max.
6 mm
12
A2W
Master Unit
Ratings
Item
Rated voltage
Master Unit
power supply
Allowable voltage range
Power consumption
Input current
Output points
Output circuit shared
voltage
Maximum load current
Output rated
Leakage current
Residual voltage
Output logic
Response time
Number of connected
Slave buttons
Error clear
terminal
Leakage current
24 VDC
21.6 to 26.4 VDC
2.4 W max.
0.1 A max.
Output 8 points
One other point for error output
30 VDC max.
50 mA per point
0.1 mA max.
2.0 V max.
One-shot (500 ms)
30 ms or less (from Slave button transmission to Master Unit signal output)
8 max.
Specifications
Residual voltage at short
1.5 V or less, ON
0.1 mA or less, OFF (current at short: approx. 7 mA)
20 MΩ max. (100 VDC)
Between the case and power supply terminals and all outputs terminals
Between all power supply terminals and all outputs terminals
1,000 VAC, 1 min.
Between the case and power supply terminals and all outputs terminals
Between all power supply terminals and all outputs terminals
Frequency: 10 to 55 Hz, half amplitude: 0.42mm
3-Directional, 120 minutes each (1 sweep, 1 min. ×120 sweeps)
150 m/s
2
Direction of shock: 3-axis, 6 directions
Shock frequency: 3 × each direction, total 18
-10 to +55°C (no condensation or freezing)
20% to 90% (no condensation)
No corrosive gas
-40 to +70°C (no condensation or freezing)
20% to 90% (no condensation)
IP20
2,000 m max.
Non-volatile memory (Number of write operations: 1,000,000)
150 g (not including antenna)
160 g (including antenna)
DIN rail mounting
Screw mounting
Insulation resistance
Dielectric strength
Vibration resistance
Shock resistance
Ambient operating temperature range
Ambient operating humidity range
Surrounding atmospheric conditions
Ambient storage temperature range
Ambient operating humidity
Degree of protection
Altitude
Memory protection
Weight
Mounting
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