Arc Detection With The Arc Guard System; Action After The Arc Guard System™ Has Been Triggered; Fig. 89. Arc Guard™ System With Hmi Panel; Fig. 90. Hmi Panel - ABB ACS5000 User Manual

8.10.2. Arc detection with the Arc Guard System™

The Arc Guard System™ detects fast arc faults in the terminal sections of the drive. When the
Arc Guard System detects an arc fault the drive performs protection firing and immediately
opens the main circuit breaker. The Arc Guard monitor and HMI panel are located in the COU
(Fig. 15).
Fig. 89. Arc Guard™ system with HMI panel
The Arc Guard System™ consists of the following:
– Arc Guard unit TVOC-2 with HMI panel
– Optical fiber detector
8.10.3. Action after the Arc Guard System™ has been triggered
1. De-energize and ground the drive according to Section 10.6.2, "De-energizing the drive",
page 169.
2. Search for the location where the arc has been detected.
3. Check the Arc Guard HMI panel messages and use the circuit diagrams.

Fig. 90. HMI panel

4. Open the power units and localize the defect.
5. Repair the defect or contact support line if needed.
6. Reset the fault on Arc Guard HMI panel.
7. Acknowledge the firing through with parameter 16.26 on the CDP control panel (only when
fault was understood and corrected).
8. Restart the drive.
PRODUCT
ACS5000W gen. 2
DOCUMENT KIND
User manual
DOCUMENT ID.
3BHS799208 E01
OPERATION
REV. LANG. PAGE
J en 136/186