Denso BHT-100B User Manual

155

Appendices

Optical Interface

Synchronization:

Start-stop

Input signals:

RD

Output signals:

SD

Transmission speed:

115,200 bps max.

Direct-connect Interface

Synchronization:

Start-stop

Transmission speed:

115,200 bps max.

Signal level:

Conforms to the RS-232C interface

Pin assignment:

As shown below.

SD

RD

GND

Signal Input/Output

External
device

BHT

1

SG (GND)

Ground for signals

—

2

SD

Send data

→

3

RD

Receive data

←

Pin No.

Signal

Functions