IAI America RCM-GW-DV - Manual (Page 29)

DeviceNet Gateway
(2) Port control and emergency stop signal output
The teaching pendant/PC connector port can be operated by external signals, other than by ON/OFF
switching of the port switch on the Gateway Unit.
While the port is ON, the Gateway Unit outputs contact signals of the emergency stop pushbutton
switch on the teaching pendant. Therefore, you can design an emergency stop circuit or other
protective circuit for the entire system by incorporating these signals.
External port
switching input
Port switch Teaching-pendant emergency
stop signal output
Teaching pendant/PC
connector port
OFF OFF Disabled (S1 and S2 shorted) Disabled
ON OFF
OFF ON
ON ON
Enabled
S1, S2 =
Teaching-pendant
emergency stop contacts Enabled
A reference example of the emergency stop circuit is shown below.
SIO communication cable
Gateway Unit
Teaching pendant Teaching pendant/
PC connector
Emergency stop
Gateway power supply
24 VDC
±10%,
300 mA max.
External port switching input
(provided by the customer)
(Load: 24 VDC, 7 mA)
Port switch
Port switch
Emergency
stop reset
Emergency
stop button
switches
DeviceNet cable
Black: (V-)
Light blue: (CAN_L)
Clear: (Shield)
White: (CAN_H)
Red: (V+)