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ACU+ Controller (Advanced Control Unit Plus)

User Instructions, UM1M820BNA (Issue AK, March 3, 2014)

Spec. No: 1M820BNA, 1M820DNA Code: UM1M820BNA

Model No: M820B, M820D Issue AK, March 3, 2014

Local Menu Navigation Keys and LCD Display .................................................................................................. 13

Local Display Menus ....................................................................................................................................... 13

Navigating the Menus ............................................................................................................................. 13

WEB Interface Access ............................................................................................................................................ 14

Overview ....................................................................................................................................................... 14

Setting IP Communications Parameters ................................................................................................... 14

WEB Interface Menus .............................................................................................................................. 14

Connecting to the Controller (over a network connection) ....................................................................... 14

Connecting the Controller Directly to your Computer .............................................................................. 14

Disabling Proxy Server Settings to Enable a Connection to the Controller over an Intranet

Network (if required) .............................................................................................................................. 14

Internet Security Settings for Loading Files or Downloading Files into the ACU+ ....................................... 15

Logging into the Controller ..................................................................................................................... 17

Common Tasks Performed via the Local Keypad and/or Web Interface ................................................................... 18

Procedures .................................................................................................................................................... 18

Changing the Local LCD Display Contrast................................................................................................. 18

Disabling the Local Keypad Sound ........................................................................................................... 18

Changing the Date .................................................................................................................................. 18

Changing the Time ................................................................................................................................. 18

Setting IP Communications Parameters ................................................................................................... 18

Viewing/Changing the Float Voltage Setting ........................................................................................... 18

Viewing/Changing the Equalize Voltage Setting ...................................................................................... 18

Setting Battery Parameters ..................................................................................................................... 18

Setting Battery Capacity Parameters ....................................................................................................... 19

Setting Temperature Sensors .................................................................................................................. 19

Setting Battery Charge Temperature Compensation ................................................................................ 20

Setting Rectifier High Voltage Shutdown ................................................................................................. 20

Setting Rectifier Current Limit ................................................................................................................. 20

Setting Over Voltage Alarm 1 .................................................................................................................. 20

Setting Over Voltage Alarm 2 .................................................................................................................. 20

Setting Under Voltage Alarm 1 ................................................................................................................ 20

Setting Under Voltage Alarm 2 ................................................................................................................ 20

Configuring the ACU+ Identification of Rectifiers and Assigning which Input Phase is

Connected to the Rectifiers ..................................................................................................................... 20

Configuring the ACU+ Identification of Converters .................................................................................. 21

Setting Digital Inputs .............................................................................................................................. 22

Setting Battery Block and Battery Midpoint Monitoring (if equipped with an EIB Assembly) ...................... 22

Setting External Shunts (connected to the EIB Assembly) ......................................................................... 22

Setting External Shunts (connected to the SM-DU+ Assembly) ................................................................. 22

Setting the Load Current Alarm ............................................................................................................... 23

Using the Relay Test Feature ................................................................................................................... 23

Programming the Audible Alarm Feature ................................................................................................. 24