ABB REX610 - Testing Protection Relay Operation; Changing Control Authority; Selecting IED Test Mode

8.5 Testing of protection relay operation
The protection relay has to be in the test mode before the digital outputs and certain
output signals of protection and other functions can be activated.
8.5.1 Changing control authority
Control authority must be set to "Local" to enable changing of test mode from the
LHMI.
1. Select Main menu/Configuration/Control/General/LR control and press
.
2.
Select the LR control status with or .
3.
Select Setting based and press to confirm the selection.
4. Select Main menu/Configuration/Control/General/Control authority and
press .
5.
Select the Control authority status with or .
6.
Select Local and press
to confirm the selection.
8.5.2 Selecting IED test mode
The test mode can be activated using the LHMI. The green Ready LED is flashing
to indicate that the test mode is activated. The test mode can be changed from the
LHMI if Control authority is set to "Local". Activation by remote client is
possible, see the technical manual.
The Ready LED also flashes if the protection relay detects a
diagnostic failure. Check the test mode setting and the protection
relay's IRF alarm contact status to find the reason for the failure.
The test mode is useful for simulated testing of functions and outputs without
providing current inputs.
1.
Select Main menu/Tests/IED test/Test mode and press
.
Section 8 2NGA000823 A
Commissioning
82 REX610
Operation Manual