Denso BHT-100B Scanner User Manual


 
155
Appendices
[ 4 ] Interface Specifications
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
2SDSend data
3RDReceive data
Pin No. Signal Functions