Emerson M820B Manuel D’Utilisation
UM1M820BNA
User Instructions
Issue AH, March 4, 2013
Spec No. 1M820BNA (Model M820B)
Spec No. 1M820DNA (Model M820D)
102
Chapter 3. Local Display Menus
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HTD1: Enables or disables the High Temperature 1 Disconnect feature. This feature
causes LVD1 contactors to open (disconnect) if a high temperature event occurs. (See
HTD selections in the "LVD Group" Parameter Settings.)
causes LVD1 contactors to open (disconnect) if a high temperature event occurs. (See
HTD selections in the "LVD Group" Parameter Settings.)
HTD2: Enables or disables the High Temperature 2 Disconnect feature. This feature
causes LVD2 contactors to open (disconnect) if a high temperature event occurs. (See
HTD selections in the "LVD Group" Parameter Settings.)
causes LVD2 contactors to open (disconnect) if a high temperature event occurs. (See
HTD selections in the "LVD Group" Parameter Settings.)
LVD Type: Select the type of LVD Contactor. This setting should not be changed.
SMDU 1 LVD Menu
Menu Navigation: Main Menu / Settings / LVD / SMDU 1 LVD
Note: For WEB Interface; menu items are found under Device Information / LVD Group / SMDU 1
LVD / Settings Tab.
Note: For WEB Interface; menu items are found under Device Information / LVD Group / SMDU 1
LVD / Settings Tab.
"SMDU 1 LVD" Parameter Settings:
LVD 1: Enables or disables LVD1.
LVD 1 Mode: Sets LVD1 to disconnect on a voltage or time setpoint.
LVD 1 Voltage: LVD1 low voltage disconnect setting (when LVD set for voltage).
LVD1 Recon Volt: LVD1 reconnect setting (when LVD set for voltage).
LVD1 ReconDelay: Delay time period until LVD1 reconnects once voltage recovers
(when LVD set for voltage).
(when LVD set for voltage).
LVD 1 Time: The time period before LVD1 disconnection once an AC fail condition
occurs (when LVD set for time).
occurs (when LVD set for time).
LVD1 Dependency: Select if LVD1 can disconnect only if LVD2 has disconnected, or
none.
none.
LVD 2: Enables or disables LVD2.
LVD 2 Mode: Sets LVD2 to disconnect on a voltage or time setpoint.
LVD 2 Voltage: LVD2 low voltage disconnect setting (when LVD set for voltage).
LVD2 Recon Volt: LVD2 reconnect setting (when LVD set for voltage).
LVD2 ReconDelay: Delay time period until LVD2 reconnects once voltage recovers
(when LVD set for voltage).
(when LVD set for voltage).
LVD 2 Time: The time period before LVD2 disconnection once an AC fail condition
occurs (when LVD set for time).
occurs (when LVD set for time).
LVD2 Dependency: Select if LVD2 can disconnect only if LVD1 has disconnected, or
none.
none.
HTD 1: Enables or disables the High Temperature 1 Disconnect feature. This feature
causes LVD1 contactors to open (disconnect) if a high temperature event occurs. (See
HTD selections in the "LVD Group" Parameter Settings.)
causes LVD1 contactors to open (disconnect) if a high temperature event occurs. (See
HTD selections in the "LVD Group" Parameter Settings.)
HTD 2: Enables or disables the High Temperature 2 Disconnect feature. This feature
causes LVD2 contactors to open (disconnect) if a high temperature event occurs. (See
HTD selections in the "LVD Group" Parameter Settings.)
causes LVD2 contactors to open (disconnect) if a high temperature event occurs. (See
HTD selections in the "LVD Group" Parameter Settings.)
AC
Rect AC Menu
Menu Navigation: Main Menu / Settings / AC / Rect AC
Note: For WEB Interface; menu items are found under Device Information / AC Group / Rect AC /
Settings Tab.
Note: For WEB Interface; menu items are found under Device Information / AC Group / Rect AC /
Settings Tab.