Caution – IAI America RCM-GW-DV User Manual
Page 3
CAUTION
Note on Connecting PC or Teaching Pendant to Gateway Unit
Grounded by Positive Terminal of 24-V Power Supply
If the positive terminal of the gateway unit’s 24-V power supply is grounded, use a SIO converter, as
shown below, to connect a teaching pendant or PC to the gateway unit. In this case, do not connect the
FG on the SIO converter.
Teaching pendant
PC, etc.
Make sure the FG on the PC is not connected to
ground. If the FG may be connected to ground through
other COM port, disconnect the communication cable
from the applicable COM port.
PC software
RS232 connection type
USB connection type
* The cable is supplied with the PC software.
SIO converter (optional)
(with built-in terminal resistor)
Model: RCB-TU-SIO-A (B)
* One controller link cable comes with one
e-CON connector, one junction and one
terminal resistor.
e-CON connector (3-1473562-4 by AMP)
Junction (5-1473574-4 by AMP)
Gateway unit
Do not
connect
the FG.
Terminal resistor
R = 220
Ω
Controller link cable
Model: CB-RCB-CTL002
24-V
power supply