Denso BHT-7500 User Manual

131

Chapter 3.  Communications Operations of the BHT

In System Mode and user programs written in BHT-BASIC, you may set the communi-
cations parameters listed below.

Transmission Speed

2400, 9600, 19200, 38400,
57600, or 115200 bps

300, 600, 1200, 2400, 4800, 9600,
19200, 38400, 57600, or 115200 bps

Optical interface

Direct-connect interface

Communications Port

Character Length

8 bits

7 or 8 bits

Vertical Parity

None

Odd, even, or none

Stop Bit Length

1 bit

1 or 2 bits

Refer to Chapter 2, Subsection 2.5.3, [4.5], "Setting the communications environ-
ments."

To set the transmission speed, character length, vertical parity, and stop bit length (To
set the transmission speed only for the optical interface), use the 

OPEN

 

"COM:"

statement in BHT-BASIC.

OPEN

 

"COM:

 ... 

"

Opens the interface port selected in System Mode.

OPEN

 

"COM1:

 ... 

"

Opens the optical interface port for data transmission,
irrespective of the setting in System Mode.

OPEN

 

"COM2:

 ... 

"

Opens the direct-connect interface port for data trans-
mission, irrespective of the setting in System Mode.

Note that it is impossible to open both the optical interface port and the direct-connect
interface port concurrently.

Through the interface port opened by the 

OPEN

 

"COM:"

  statement, the 

XFILE

statement transmits a designated file.