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35
E3X-DRT21-S
User’s Manual
Sect
ion 3
Dev
ic
e
Net
Co
m
m
u
n
ic
at
io
n Se
tt
ings
Section 3
Part Names
■
Indicator (LED)
The following table shows the operation of the indicators.
●
Normal State of LEDs
■
Switches
●
Rotary Switches
The Sensors that are allocated two unit numbers must be counted as two units when counting the
number of sensors.
LED Name
Name
LED Color
Status
Description
MS
Module Status
Green
Lit
Normal operation
Flashing
Not set
Red
Lit
Fatal error
Flashing
Non-fatal error
—
Not lit.
Power OFF
NS
Network Status
Green
Lit
DeviceNet online/connected
Flashing
DeviceNet online/not-connected
Red
Lit
DeviceNet fatal communication error
Flashing
DeviceNet non-fatal communication error
—
Not lit.
DeviceNet offline/power OFF
SS
Sensor Communication
Status
Green
Lit
Communicating with Sensor
Red
Lit
Sensor communications error
—
Not lit.
Waiting for communications with the sensors/
power OFF
MS
Green is lit when normal
NS
Green is lit: normal (online/connected)
SS
Green is lit when communicating with a sensor
x 1
x10
DeviceNet node address setting
Sets the DeviceNet node address.
Range: Between 00 and 63 (cannot be set between 64 and 99)
Registering the Number of Connected Sensors
Registers the number of sensors to be connected. Registering the
number of the sensors enables you to detect configuration failure when
it occurs.