7

D7S

Vibration Sensor

Connections

 Terminal Arrangement

 Block Diagram

 Circuit Diagrams

No.

Signal

Function

Direction

Description

1

VCC

Power supply voltage

---

2

INT1

Shutoff output

OUT

An open-drain output.

Goes active (ON) when the shutoff judgment condition and collapse detection condition

are met.

3INT2

Processing notification

output

OUT

An open-drain output.

Goes active (ON) during earthquake calculations, offset acquisition, and self-diagnostic

processing.

4SCL

IN

5SDA

IN/OUT

6

GND

Power supply ground

---

7

SETTING

Initial setting input

IN

Changes the Sensor to Initial Installation Mode for an input from an external device.

Normal Mode: High

Initial Installation Mode: Low

8

NC

Not connected

---

Completely floating and cannot be connected to another line.

9

VCC

Power supply voltage

---

10

GND

Power supply ground

---

1

2

3

4

5

10

9

8

7

6

INPUT×2

VCC

OUTPUT×2

GND

D7S

SDA

SCL

VCC

INT1

INT2

1. VCC

2. INT1

3. INT2

4. SCL

5. SDA

10. GND

9. VCC

8. NC

7. SETTING

6. GND

SETTING

GND

VCC