BECKHOFF EP9214-0023 - Manual (Page 42)

Comissioning and Configuration
Switch off of the box due to undervoltage
Since undervoltage impairs the function of the safety mechanisms, a warning is given in the process data
from an input voltage of 21.5 V. If the voltage falls below 18 V all outputs are switched off and the Error bit is
set.
Undervoltage is detected independently for Us and Up.
Fig. 43: Undervoltage bits
Note
Switching on again
Switching off due to undervoltage and overtemperature is equivalent to the response of the
current monitoring, but applies to the entire box and all outputs. The error must be reset by
setting the process data GLOBAL RESET or by power off / restart of the module!
Switching load circuits on again after switch-off
This takes place either via the process data [ } 61] by EtherCAT or by the reset input [ } 26] directly on the
box.
4.4.3 Setting the current limitation
The switch-off behavior of the individual load circuits can be adapted to the application.
The following modes can be set individually for each channel:
• Very fast acting
• Fast acting
• Slow acting
• Time delay
Release time (switch-off time) of the modes
Rated current Very fast acting Fast acting Slow acting Time delay
100 % 1 h - - -
110 % 1 h 4 h - -
120 % 7 min 4 h - -
150 % 30 s 30 min 1 h 4 h
210 % 500 ms 20 sec 20 s 100 s
275 % 500 ms 1 sec 20 s 10 s
300 % 20 ms 100 ms 1 s 3 s
EP9214-0023 and EP9224-0023 42 Version 2.0.0