User`s manual

Chapter 4 Communications Control
4-2
4
4-1 Communications Specifications
 Specifications
The system has the following specifications. The user can make setting
changes according to the external host device in use.
Item Setting
RS-422 RS-485
Communication mode Full duplex Semi-duplex
Communication speed
9,600/19,200/
38,400
/115,200/230,400/460,800/
921,600 bps
Synchronization system Start-stop transmission (Asynchronous)
Transmission code ASCII
Data length 8 bits
Parity check None
Stop bit length 1 bit
End code CR(0DH)
BCC Yes
*1
*1 To omit BCC calculation, enter "**" (2AH, 2AH) to BCC.
*2 Settings in bold letters indicate default settings (before shipping).
 Pin Arrangement
Signal direction
No. Wiring color
Signal
name
HL-G1
External host
device
Description
11
Green
+SD Output Input
Transmitted data signal (+)
Usually connected to +RD
(+RXD) of external device
12
Twisted-
pair wire
Sky
Blue
-SD Output
Input
Transmitted data signal (-)
Usually connected to -RD
(-RXD) of external device
13 Orange +RD Input Output
Received data signal (+)
Usually connected to +SD
(+TXD) of external device
14
Twisted-
pair wire
Yellow
-RD Input Output
Received data signal (-)
Usually connected to -SD
(-TXD) of external device
15
Shield
SG ← Connected →
Signal ground
Connected to SG (SG) of
external device