Chapter 5 External communication control
5-2
5
5-1
Communication Control by RS-232C
5-1-1
Specifications
Communication Specifications
The specifications related to communication are listed in the table below.
The configuration can be changed to the requirements of external host
device.
Item
Settings
Communication method
Full duplex *1
Synchronization system
Asynchronous
Flow control
None
Communication speed
9,600/19,200/38,400/57,600/115,200(Default
value) bps
Transmission code
ASCII
Data length
7-bit/8-bit(Default value)
Stop bit length
1-bit(Default value)/2-bit
Parity check
Even/Odd/None (Default value)
Termination code
CR (0Dh)
BCC
Yes
*2
*1 However, the software handshake is semi-duplex.
*2 To omit BCC calculation, enter “**” (2AH, 2AH) to BCC.
*3 Settings indicated by bold letters indicate the default setting.
Pin Arrangement
The system uses a D-SUB male connector
with 9 pins.
Pin
No.
Signal
name
Signal direction
Description
HL-D3 side Host device
side
1
CD(DCD)
Unused
―
2
RD(RxD)
IN
OUT
Received data signal
Usually connected to SD(TXD) of external device.
3
SD(TxD) OUT
IN
Transmitted data signal
Usually connected to RD(RXD) of external device.
4
ER(DTR)
Unused
―
5
SG(SG)
Connected
Signal ground
Usually connected to SG(SG) of external device.
6
DR(DSR )
Unused
―
7
RS(RTS)
Unused
―
8
CS(CTS)
Unused
―
9
CI(RI)
Unused
―
Summary of Contents for HL-D3 Series
Page 9: ...Preface 7 ...
Page 27: ...Preface 24 MEMO ...
Page 43: ...Chapter 1 Before Use 1 16 1 MEMO ...
Page 219: ...Chapter 4 Description of Functions 4 140 4 MEMO ...
Page 298: ...1 Apx Appendix 1 Index 2 ...
Page 304: ......