4 Setting Up the MJ-4A & MJ-4B Control Panel
28 Siemens Energy, Inc.
4.4 Setting Control Levels—
the <REGULATOR> Menu
The <REGULATOR> Menu defines setpoints used by the
MJ-4
Control Panel when operating in Automatic Mode.
Variables in the <REGULATOR> Menu are summarized in
Table 4.3 and described in detail in the following sections.
*VRC Stat is a view-only item. It appears in the <REGULATOR> menu for viewing convenience.
Table 4.3 The <REGULATOR> Menu
DATA ITEM DESCRIPTION VALID INPUTS DEFAULT INCREMENTS
Forward power flow
Fwd Volts Voltage setpoint level 106.0 to 134.0 120.0 0.1 Volt
Fwd BW Bandwidth setpoint 1.0 to 6.0 2.0 0.5 Volt
Fwd Delay Time delay setpoint 10 to 180 45 1 Second
Fwd Comp(R) Voltage compensation (Resistive) - 24 to + 24 0 1 volt
Fwd Comp(X) Voltage compensation (Reactive) - 24 to + 24 0 1 Volt
Reverse power flow
Rev Volts Voltage setpoint level 106.0 to 134.0 120 0.1 Volt
Rev BW Bandwidth setpoint 1.0 to 6.0 2.0 0.5 Volt
Rev Delay Time delay setpoint 10 to 180 45 1 Second
Rev Comp(R) Voltage compensation (Resistive) - 24 to + 24. 0 1 volt
Rev Comp(X) Voltage compensation (Reactive) - 24 to + 24 0 1 Volt
Voltage Reduction Control
VRC Stat* Present VRC % reduction 0.0 to 10.0 - - - - - -
VRC Mode: Voltage Reduction Control mode OFF, LOCAL, REMOTE, AUTO OFF - - -
VRC Input Special Applications
Alt Delay Alternate time delay for voltage reduction 1 to 180 5 1 Second
VRC1 In VRC1 contact configuration VRC, X-COMP VRC - - -
VRC2 In VRC2 contact configuration VRC, ALTDELAY, LO XBATT,
AUTO INH
VRC - - -
VRC: Local Mode
LOCAL VRC% Local mode VRC percent reduction 0.0 to 10.0 0 0.1%
VRC: MJ-X
remote mode
VRC Stage 1 First stage % reduction 0.0 to 10.0 0 0.1%
VRC Stage 2 Second stage % reduction 0.0 to 10.0 0 0.1%
VRC Stage 3 Third stage % reduction 0.0 to 10.0 0 0.1%
VRC: Remote Mode
VRC Remote MJ-X
or MJ-3A emulation mode MJ-X
or MJ-3A MJ-X - - -
VRC: MJ-3A remote mode
MJ-3A VRC% MJ-3A % reduction 0.0 to 10.0 0 0.1%
VRC: Automatic mode
AutoVRC set1 VRC setting #1 for Auto VRC 0.0 to 10.0 0 0.1%
AutoVRC set2 VRC setting #2 for Auto VRC 0.0 to 10.0 0 0.1%
AutoVRC1 %I % Load current #1 for Auto VRC 20 to 150 150 1%
AutoVRC2 %I % Load current #2 for Auto VRC 20 to 150 150 1%
Voltage Limit Control
VLC Enable Voltage Limit Control OFF, ON OFF - - -
VLC Upper Upper limit 106.0 to 134.0 134.0 0.1 V
VLC Lower Lower limit 106.0 to 134.0 106.0 0.1 V
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