Commissioning and Diagnosis
Distributed I/O Device ET 200R
5–4
(4)J31069-D0427-U001-A2-7618
5.3
Diagnosis with LED indicators
The ET 200R distributed I/O device has LEDs for indication of the status and
errors.
Table 5-4
Allocation of the LEDs
Designation
Description
Color
BF Bus
error
Red
SF Group
error
Red
CH 01
Activity/service request, channel 01
Yellow
CH 02
Activity/service request, channel 02
Yellow
DC 24 V
Load voltage supply
green
ON Voltage
supply
green
Table 5-5
Status and error indicators on the ET 200R
LED on
LED off
LED flashing
Disregard
LEDs
BF SF ON
Meaning
Remedy
•
There is either no power for the
electronics/encoder on the DP
slave or there is not enough
power.
•
Hardware is defective.
•
Turn on the power for the DP
slave.
•
Check the power.
•
Replace the ET 200R.
•
The ET 200R is on.
–
•
ET 200R is starting up.
•
The connection to the DP mas-
ter has broken down.
•
ET 200R does not recognize
baud rate.
•
Bus interruption.
•
DP master is out of order.
Check the PROFIBUS-DP-
connection.
Check the DP master.
Check all cables in your
PROFIBUS-DP network.
Check to determine weather the
bus plug connections are securely
connected on the ET 200R.
•
The PROFIBUS address set on
the ET 200R is wrong.
•
The ET 200R has a hardware
defect.
•
Correct the PROFBUS address
on the ET 200R.
•
Replace ET 200R.
•
The configuration data sent by
the DP master to the ET 200R
do not match the actual layout of
the ET 200R.
•
Check the configuration of the
DP slave (input/output,
PROFIBUS address).