Emerson M820B Manuel D’Utilisation
UM1M820BNA
User Instructions
Issue AH, March 4, 2013
Spec No. 1M820BNA (Model M820B)
Spec No. 1M820DNA (Model M820D)
106
Chapter 3. Local Display Menus
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Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
Download Config: Downloads a configuration file into the Controller.
Auto Config: Auto configures the Controller for the devices connected to it.
3.3.2
ECO Mode (Energy Optimization) Menu
Menu Navigation: Main Menu / ECO Mode
Note: For WEB Interface; menu items are found under Quick Settings / ECO Mode Setting.
Note: For WEB Interface; menu items are found under Quick Settings / ECO Mode Setting.
"ECO Mode" Parameter Settings:
ECO Mode: Enables or disables the Energy Optimization Mode feature for all rectifiers.
When enabled, the following parameters can be set.
When enabled, the following parameters can be set.
Best Oper Point: Percent of full load capacity that the rectifiers operate under in the
Energy Optimization mode.
Energy Optimization mode.
Energy Save Pt: Energy Optimization is disabled if the load is greater than this setting.
Fluct Range: If load fluctuation is less than this value, rectifiers are not turned on or off
for Energy Optimization.
for Energy Optimization.
Cycle Period: This is the time period that rectifiers are turned on and off to maintain an
equal operating time for all rectifiers in the system.
equal operating time for all rectifiers in the system.
Rects ON Time: Time all rectifiers are turned on at End of Cycle.
Turn Off Delay: When the Energy Optimization feature determines a rectifier can be
switched off, this is the time delay before the rectifier is switched off.
switched off, this is the time delay before the rectifier is switched off.
3.3.3
Manual Menu
Note: Menu items shown with an asterisk (*) can be changed while in Auto Mode. Before any other
settings in this section can be changed, you must first place the ACU+ in the Manual mode. See
"’Man/Auto Set Parameter Settings" for a procedure.
"’Man/Auto Set Parameter Settings" for a procedure.
Items that can only be changed in the Manual mode will revert to their previous settings when the
Controller is returned to the Auto mode.
Controller is returned to the Auto mode.
Man/Auto Set
Man/Auto Set Menu
Menu Navigation: Main Menu / Manual / "Man/Auto Set"
Note: For WEB Interface; menu items are found under Quick Settings
Note: For WEB Interface; menu items are found under Quick Settings
/ “Auto/Manual Setting”.
"Man/Auto Set" Parameter Settings:
Auto/Man State*
Auto: The Controller automatically controls the power system.
Manual: A User can manually change certain power system control settings via the
following menus. (See Note above.) This provides a convenient means of making
temporary adjustment changes for testing purposes.
following menus. (See Note above.) This provides a convenient means of making
temporary adjustment changes for testing purposes.
Power System
Power System Menu
Menu Navigation: Main Menu / Manual / Power System
Note: For WEB Interface; menu items are found under Device Information / Power System / select
the Control tab.
Note: For WEB Interface; menu items are found under Device Information / Power System / select
the Control tab.
"Power System" Parameter Settings:
Relay Output 1 through 8: Temporarily sets the relay to active or not active. Setting
reverts to original when Controller is returned to the Auto mode.
reverts to original when Controller is returned to the Auto mode.