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

23
PfofiBus 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
Enabled
S1, S2 =
Teaching-pendant
emergency stop contacts Enabled OFF ON
ON ON
An example of the emergency stop circuit is shown below.
Emergency
stop reset Emergency stop
button switches
ProfiBus
cable
Teaching pendant
Emergency stop
Gateway unit
Teaching pendant/PC
connector
Gateway power
supply
(24 VDC
± 10%,
300 mA max.)
External port switching input
(provided by the customer)
(Load 24 VDC, 7 mA)
SIO
communication
cable
Port switch