Specifications, Applicable connector specification, Pin arrangement – KEYENCE LS-7000 User Manual
Page 144: Communications specifications
7-2
Chapter 7 RS-232C
7
Specifications
The LS-7000 Series has RS-232C communications functions. The following section pro-
vides information on the RS-232C communications specifications of the LS-7000 Series
and the outline of communications settings that vary with the connecting device.
■ Applicable Connector Specification
Modular 8-pin plug connector
■ Pin Arrangement
Pin number Signal name
Description
1
(Not used)
—
2
SD(TXD)
3
RD(RXD)
4
SG(GND)
GND
5
(Not used)
—
6
(Not used)
—
7
(Not used)
—
8
(Not used)
—
Receives (inputs into itself)
data from external devices.
Transmits (outputs) data
to external devices.
8
7
6
5
4
3
2
1
❈ All unused terminals must be open. Do not connect any wires to them, otherwise the
LS-7000 Series may malfunction.
❈ The SG terminal is internally connected (common) with the 0-V power supply termi-
nal (terminal block 2) through a choke coil.
■ Communications Specifications
EIA RS-232C Compliance (Modem Definitions)
D-MODE
NORMAL
PRINTER 1/2
PLC (KV mode)
Communications method
Full duplex
Synchronous method
Start-stop synchronization
Transmission code
ASCII
Data length
7/8bit
8bit
Stop bit length
1/2bit
1bit
Parity None/Even/Odd
Even
Baud rate
1200/2400/4800/9600/
9600bps
19200/38400/57600/115200bps
Delimiter
CR + LF
CR
STX + ETX
Flow control
None
Refer to RS-232C on page 5-7 for communications specification settings.