SMC Networks EX500 - Manual (Page 27)

EX500 Serial System EX## - OME0008
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6 -3. LED display
When the Input Unit Manifold is not connected, the respective COM LED of the GW Unit will not light up.
To monitor the status of COM port, it is necessary to use a Terminal Plug.
The COM LED will light up when a Terminal Plug is used. ( Refer to section 3 -6 -4 )
6 -4. Operation setting
Turn the power supply OFF when setting switches.
Open the station switch protection cover and set the dip switch with a flat blade screw driver.
COM A COM B COM C COM D
OUT
IN R
BUS
O I
B U S PROCESS FIELD BUS
F R P
DIA
BF
SOL
RUN
GATEWAY UNIT
EX500 SERIES
Display Content
RUN
Source ON : Lights
Source OFF : Lights off
SOL
Solenoid valve source voltage is normal :Lights
Voltage lowered to 20V or less :Lights off
BF
PROFIBUS-DP communication is normal : Lights off
PROFIBUS-DP communication is abnormal : Lights
DIA
DIA is abnormal : Lights
DIA is normal : Lights off
COM A
Communication port A is receiving data : Lights
Communication port A has no data : Lights off
COM B
Communication port B is receiving data : Lights
Communication port B has no data : Lights off
COM C
Communication port C is receiving data : Lights
Communication port C has no data : Lights off
COM D
Communication port D is receiving data : Lights
Communication port D has no data : Lights off
0
1
2
3
4
5
9
8
7
6
Figure of setting switch
SW1 SW2
ON
1 2
SW3 SW4
！ ！ ！ ！ CAUTION