Appearance: Knob-type Selector Switch A22W,
LED voltage-reduction lighting (without Voltage Reduction Unit).
Number of notches: 2 notches.
Resetting method: Automatic.
Output: SPST-NO.
Operating voltage: 100 VAC.
Illumination color: R (red); Y (yellow); G (green); A (blue).
Install in 22-dia. or 25-dia A7BS-219-1. Panel Cutout.
Lever for easily mounting and removing the Switch Unit.
Finger protection mechanism on Switch Unit provided as a standard feature A7BS-219-1
Use 25-dia. ring to install in 25-dia. panel cutouts.
Mounted using either open-type (fork-type) or closed-type,
(round-type) crimp terminals.
IP65 oil resistance (non-lighted models) A7BS-219-1.
IP65 (lighted models). Contact type: Standard load (250 VAC, 3 A; 30 VDC, 4 A) .
Operation: Alternate operation (Self-holding).
Case color: Light gray.
Output: DPDT.
Lighting: LED; 24 VDC.
Pushbutton color symbol: R.O.G.W.
Large Square-bodied Lighted.
Pushbutton Switches.
Excellent operating sensitivity.
Excellent illumination with even surface brightness.
Three-color models (green, orange, red; chameleon lighting) A7BS-219-1.
included in lineup. Input capacity: 16 points .
Rated current (ON current): 0.5 A/output, 4.0 A/common.
Internal I/O common: PNP.
Residual voltage: 1.2 V max. (0.5 ADC,
between each output terminal and the V terminal).
Leakage current: 0.1 mA max.
ON delay: 0.5 ms max.
OFF delay: 1.5 ms max.
Number of circuits per common: 16 points/common.
Output indicators: LED display (yellow).
Isolation method: Photocoupler isolation.
I/O power supply method: Supply by I/O power supply.
Output device supply current: 100 mA/point.
Unit power supply current consumption: 80 mA max.
(for 20.4 to 26.4-VDC power supply voltage)
e-CON Connector insertion durability: 50 times.
Weight: 130 g max.
Expansion functions: No.
Output handling for communications errors:
Select either hold or clear.
Short-circuit protection function: No.
Easy wiring using industry standard,
e-CON connectors.
Special wiring tool is not necessary.
Digital I/O terminal with industry,
standard e-CON connectors.

A common terminal iss provided for,
each connector OMRON A7BS-219-1.
The I/O terminal and the sensors can,
be connected directly.
Input response time can be switched for,
high-speed processing.
Selectable node address setting methods:
setting with rotary,
swwittch and with tool software OMRON A7BS-219-1.
When setting the nodes with rotary switch,
setting is easy and node identification,
becomes possible for maintenance.

A7BS-219-1 Operation manual/Instructions/Model selection sample download link: /searchDownload.html?Search=A7BS-219-1&select=5