Local/Remote Control Function Block Control - ABB RELION 620 Series Technical Manual

Protection and control

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Basic functions

Local/remote control function block CONTROL

Function block

Figure 102: Function block

Functionality

Local/Remote control is by default realized through the R/L button on the front

panel. The control via binary input can be enabled by setting the value of the

LR control setting to "Binary input". The binary input control requires that the

CONTROL function is instantiated in the product configuration.

Local/Remote control supports multilevel access for control operations in

substations according to the IEC 61850 standard. Multilevel control access with

separate station control access level is not supported by other protocols than IEC

The actual Local/Remote control state is evaluated by the priority scheme on the

function block inputs. If more than one input is active, the input with the highest

priority is selected.

The actual state is reflected on the CONTROL function outputs. Only one output is

active at a time.

Table 178: Truth table for CONTROL

The station authority check based on the IEC 61850 command originator category

in control command can be enabled by setting the value of the

setting to "Station, Remote" (The command originator validation is performed only

in use by default.

If station authority is not in use, the CTRL_STA input is interpreted as CTRL_REM.

LR control setting is set to "Binary input"). The station authority check is not

1MRS757644 H

LOCAL = TRUE

STATION = TRUE

REMOTE = TRUE

Station authority

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