1
)
In AC500, the following interface identifier applies:
"-" = Diagnosis via bus-specific function blocks; 0 ... 4 or 10 = position of the
communication module;14 = I/O bus; 31 = module itself
The identifier is not contained in the CI541-DP diagnosis block.
2
)
With "Device" the following allocation applies: 31 = module itself; 1..10 = decen-
tralized communication interface module
3
)
With "Module" the following allocation applies:
31 = module itself
Channel error: module type (1 = AI, 2 = DO, 3 = AO)
4
)
This message appears if external voltages at one or more terminals DO0..DO7
cause other digital outputs to be fed by that voltage (voltage feedback, descrip-
tion in 'Connections'
Ä
Chapter 1.7.2.2.3 “Connections” on page 623). All out-
puts of the digital output groups will be turned off for 5 seconds. The diagnosis
message appears for the whole output group.
5
)
The voltage on digital outputs DO0..DO7 has overrun the process supply
voltage UP3 (description in 'Connections'
Ä
Chapter 1.7.2.2.3 “Connections”
on page 623). Diagnosis message appears for the whole module.
6
)
This message appears if the output of a channel DO0..DO7 is to be switched
on while an external voltage is connected. In this case, start-up is disabled while
the external voltage is connected. Otherwise, this could produce reverse voltage
flowing from this output to other digital outputs. This diagnosis message appears
for each channel.
7
)
Short circuit: After a short circuit has been detected, the output is deactivated for
100ms seconds. Subsequently, a new start-up will be executed. This diagnosis
message appears for each channel.
1.7.2.2.9 State LEDs
The state LEDs are located at the front of module. There are 2 different groups:
● The 5 system LEDs (PWR, CN-RUN, CN-ERR, S-ERR and I/O bus) show the operation
states of the module and display possible errors.
● The 27 process LEDs (UP, UP3, inputs, outputs, CH-ERR1 to CH-ERR3) show the process
supply voltage and the states of the inputs and outputs and display possible errors.
LED Color OFF ON Flashing
PWR/RUN Green Process supply
voltage missing
Internal supply
voltage OK,
module ready for
communication
with I/O controller
Start-up / pre-
paring communi-
cation
Yellow --- --- ---
States of the 5
system LEDs
Communication interface modules (S500) > CANopen
2022/01/313ADR010278, 3, en_US648
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