A2W

10

Connection

Internal Connection Diagram (Master Unit)

Output Specifications

Operation Timing Chart

Note: If you press two or more Slave buttons simultaneously within 2

ms, operation of the Slave button after that may not be sent to

the Master Unit.

Error Output Signal (Master Unit)

Output/Error Output Circuit Diagram (Master Unit)

PC CONN

COM

ERR

1

8

Photo coupler

Output circuit × 8

Control section

(CPU)

Serial

communications

section

Memory

(EEPROM)

RF module

Electrical circuit

Voltage

detection

Power LED (PWR)

Error LED (PWR)

Received field strength

LED (RCV)

Output LED × 8

(OUTPUT1 to 8)

Operation switch

• Mode settings switch

• Output settings switch

• Reset switch

DC/DC converter

(24V DC 5V DC)

Noise filter

24V DC

INPUT

Fuse

0V DC

CLR

DC/DC converter

(5V DC 3.3V DC)

Antenna

OUTPUT

Master Unit OUTPUT

Master Unit RCV LED

Slave button

reception confirmation

LED

Press operation

Slave button

500 ms

Lit

Lit

Master Unit output ON

(Internal transistor ON)

Error output

Power ON

Momentary

power failures

Continuously error

Status

Internal transistor

Power is OFF.

OFF

Normal operation

ON

Error, or momentary

power failure

OFF

Output/Error output circuits diagram

(Sinking Outputs)

OUT1

OUT8

ERR

COM

Output/Error output circuits diagram

(Sourcing Outputs)

COM

OUT1

OUT8

ERR