Compobus/S Communication Unit Part Names And Functions - Omron E3X-DRT21 Operation Manual

CompoBus/S Communication Unit Part Names and Functions

3-2 CompoBus/S Communication Unit Part Names and
Functions
E3X-MC11 Mobile Console Connector
Used to connect the Mobile Console.
Communications Connector
Connector for CompoBus/S communications.
Power is supplied to all Sensors connected to
the Communication Unit through the
CompoBus/S communications power supply
terminals.
Indicators
56
DIP switch
ON
1 2 3 4
NODE
ADR
Note 1. Do not turn ON the power to the Communication Unit when the Mobile
Console is connected. Communications will not be established with the
Sensors if the Mobile Console is already connected when the Unit power
is turned ON.
2. Always set the Sensors to RUN mode when using the Fiber Amplifier Sen-
sor Communication Unit for CompoBus/S.
3. A Sensor communications error will occur under the following conditions
after the Mobile Console is connected with it's power turned ON.
• When the power to the Mobile Console is turned OFF.
• When the Mobile Console is left idle while connected, causing the
power to automatically turn OFF.
• When the Mobile Console battery goes low, causing the power to turn
OFF.
Do not allow the above conditions to occur when using the Mobile Console,
or use the Mobile Console when problems will not occur even if a Sensor
communications error occurs.
The following table shows the operation of the indicators
Indicator Name
PWR Power
COMM Communi-
cating
ERR Communi-
cations
error
0
Rotary switches
1
Sensor Reset Switch
Resets Sensors connected to the Unit by turning Sensor
PWR
power OFF and ON again.
COMM
Indicators
ERR
U.ERR
SS
Power Supply Connector
The E3X-SRT21 is supplied power from the Communications
Connector, so there is no power supply cable.
Color Display
Green Lit Communications power supply is ON.
Not lit Communications power supply is OFF.
Yellow Lit CompoBus/S communications are nor-
mal.
Not lit A CompoBus/S communications error
has occurred or communications are on
standby.
Red Lit A CompoBus/S communications error
has occurred.
Not lit CompoBus/S communications are nor-
mal or communications are on standby.
Section 3-2
Meaning