Communication Specifications; Connector - Yamaha RCX240 User Manual

3. Communication specifications

3.1

Connector

The RS-232C interface connector is located on the front panel of the robot controller as shown
below.
RS-232C interface
MOTOR
PWR
SRV
ERR
XM
ROB
I/O
XY
YM
BATT
XY
ROB
I/O
ZR
ZM
BATT
ZR
RM
EXT.E-STOP
13 14
Specifications of the RS-232C interface connector installed on the robot controller are shown
below.
1. A D-SUB 9-pin female connector is installed on the robot controller, so use a connection
cable with a D-SUB 9-pin male connector.
2. Pin arrangement of D-SUB 9-pin connector is as follows.
Pin No.
1
2
3
4
5
6
7
8
9
RCX240
OP.1 OP.3
RPB RPB
SEL
COM
OP.2 OP.4
RGEN
STD.DIO
P
N
SAFETY
ACIN
L
N
L1
N1
Name Description
NC Not used
RXD Receive data
TXD Send data
NC Not used
GND Ground
NC Not used
RTS Request to send
CTS Permission to send
NC Not used
3. Communication specifications
Pin No. Pin No.
5
9
4
8
3
7
2
6
1
Input/output
Input
Output
Output
Input
Chapter 8 RS-232C INTERFACE
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2
3
4
5
6
7
8
9
10
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