Accessories
4.9 EFB300 external function box
3VA molded case circuit breakers with UL and IEC certification
344 Manual, 01/2019, L1V30435333-01
All inputs and outputs can be activated or deactivated manually in test mode. This can be
done to determine whether the digital outputs and the ZSI bus are functioning properly and
wired correctly.
The LED labeled "ACT" flashes to indicate that test mode is active. The powerconfig
software can also be used to test outputs.
Activating test mode and performing tests
1. In order to activate test mode, press the <SET> button for at least 2 seconds ① until all
the LEDs for the outputs light up briefly
②. Test mode is activated when the LED labeled
"ACT" starts to flash
③.
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