Troubleshooting
118 MCS100E Operating Instructions 8009504/V YWA7/V3-1/2018-01 © SICK AG
Subject to change without notice
8.9 Error messages on the screen
Many functions of the MCS100E are controlled by its internal computer. Error messages
are displayed in plain text on the screen.
In most cases you will not be able to remedy these errors yourself. If necessary, contact the
SICK customer service.
8.9.1 Message: CAUTION! MOD-IO boxes changed
Upon start the measurement program first searches all plug-in boards of the I/O module
boxes and assigns the input variables as described in Chapter “Addresses and Assignment
of the Input Variables” (
→
p. 108, §7.6.3) (see menu Specialist: System edit: Results or
Specialist: System edit: Zero/Calib/Purge/Other programs) one after the other to the
addresses found.
If, upon start a change is detected in comparison with the previous assignment, then a
warning is displayed:
CAUTION! MOD-IO boxes changed
- Keep previous configuration
- Accept new configuration
- Search again
The numbers listed thereafter in columns represent the old and the new addresses,
e.g.: 32 - 16 (OLD - NEW). 255 stands for: “not assigned”.
• Keep previous configuration
Independent of the changes occurred, the previous channel assignment is kept. The
internal error ER19 is set and the following message is displayed in the status bar:
“MOD-IO box error”.
• Accept new configuration
A new assignment of the channels is performed.
Caution: Upon a new start, e.g. after one board has been removed, this means that the
assignment of input variables – related hardware (ref. Chapter “Addressing and
assigning the input variables”) (
→
p. 108, §7.6.3)) may change.
Select this menu point, only, if you are sure that the addressing of the boards is correct!
• Search again
The addresses of the I/O module boxes is checked once more.
If you do not select any of these menu points, then the verification is repeated after approx.
30 sec. and the message may be displayed once more.
After 4 attempts the program is started anew with the option Keep previous configuration.
If you wish to change the board addresses, it is recommended to select the
menu point “Keep previous configuration” and change the address in menu
option Specialist: Utilities: Service: Init of modular I/O system.
As an alternative, you can also quit the program, go to the DOS level and use
the ACQINIT program (
→
p. 124, §9.2) and thereafter restart the measurement
program (1.bat).
If an error occurs at one of the I/O module boxes during measurement, then
the internal error ER19 generates a message (see menu: Specialist: System
edit: Zero/Calib/Purge programs/other programs.)
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