Beckhoff EL922 Series, Документация

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Mounting and wiring
EL922x 52 Version: 1.0
6.7.4 Sample programming
The EL922x devices have illuminated push-buttons!
The illuminated push-buttons allow the overcurrent protection terminal to be operated, e.g. switch-
ing on and off and resetting the respective output. They are also used for programming and query-
ing the nominal current. There are 3 modes: operation mode, programming mode and query mode.
There is a common programming mode in which the two outputs can be set simultaneously, as they
are interdependent for the terminal with sum current limitation.
1. Press button LED 1 or button LED 2 for >3 seconds to enter the programming mode.
2. The Ready LED lights orange and indicates that they are in programming mode.
3. The green flashing code of button LED 1 indicates the nominal current still set for channel 1, button LED 2
indicates the nominal current still set for channel 2. Flashing once means 1 A, flashing twice 2 A, flashing
three times 3 A, etc… Non-flashing indicates
OFF .
4. The programming mode is exited automatically if no entries have been made after 45 seconds, in which
case the settings made previously are not saved. In other words, the previously saved settings are retained.
5. The nominal currents are changed by entering the absolute current values.
I.e. 1 x press button LED 1 or 2 = 1 A, 2 x press = 2 A, 3 x press = 3 A, …, 10 x press = 10 A,
press more
than 11x press = OFF !
For variants up to 4 A, press more than 5x press = OFF !
6. Press button LED 1 or button LED 2 for >3 seconds to save the new settings, exit programming mode and
the new values are active.
Behavior of the outputs when the settings are changed
If settings are changed during operation (outputs are switched on), the outputs remain switched on.
This has the advantage that the system can remain in operation and a change can be made "on-
line".
Sample programming 1
Operation Display Meaning
Press button LED 1 for >3 seconds Activate programming mode
Ready LED lights up orange
Button LED 1 flashes 6x green
Button LED 2 flashes 2x green Programming mode is active
Output 1 is set to 6 A
Output 2 is set to 2 A
Press button LED1 8x Output 1 is set to 8 A
Ready LED lights up orange
Button LED 1 flashes 8x green
Button LED 2 flashes 2x green Programming mode is active
Output 1 is set to 8 A
Output 2 is set to 2 A
Press button LED 1 for >3 seconds Save the new settings and exit programming
mode