Controlling; Resetting The Ied; Clearing And Acknowledging Via The Local Hmi - ABB Relion 630 Series Operation Manual

Section 6
Operating procedures
6.2
6.3
6.3.1
96
• LDMMXU (Busbar-wise sheddable loads data)
• LSPTRC (Busbar-wise load feeders load-shedding command)
• LSCACLS (Contingency based load-shedding core function)
• NCBDCSWI (Network circuit breaker)
• NPMMXU (Network power source)
• PSCSWI (Power source)
• PPLSGGIO (Information exchange between peer PML630s of their
network areas)
• SNWRCLS (Subnetwork supervision)
4.
Press for navigating into monitoring of all the above functions from the
Power Management menu.
4.1. Press
and

Controlling

The power management load-shedding functionality can be controlled through the
LHMI using various controls.
• Command to manually shed loads (based on priority and power)
• Command to reset individual subnetwork
• Command to reset all subnetworks
• Command to reset slow load-shedding
• Command to reset fast load-shedding counter
When a load-shedding command is sent to the sheddable loads, the outputs are
latched. These latched output signals can be reset through the operator command
inputs. The commands can also be reset using WHMI feature.

Resetting the IED

Clearing and acknowledging via the local HMI

Use the Clear button to reset, acknowledge or clear all messages and indications,
including LEDs and latched outputs as well as registers and recordings. Pressing the
Clear button activates a view for selecting the reset function. Events and alarms
assigned to alarm LEDs can also be cleared with the Clear button.
1.
Press to activate the Clear view.
All the items that can be cleared are shown.
to scroll the list.
PML630/Compact Load-Shedding Solution
1MRS757183 F
Operation Manual