![]() Which relay contact to use for controlling the contactor coils, depends on whether the contactor needs to operate in a Normally Open (NO) or Normally Closed (NC) configuration. The Alarm Expander relays A and B are combined in order to control the ‘open (reset)’ and ‘close (set)’ coils from a dual coil magnetically latching contactor. The Alarm Expander also has the capability to be used as a relay contact. This kit can be used in case the application requires each alarm type to be assigned to a different relay contact. The ePRO Plus 2-Channel Alarm Expander Kit adds two additional alarm relays to your ePRO Plus device via the Quicklink port. For EV BMS battery pack current measurements, shunts range anywhere from 25 µ to 100 µ. The shunt measures the real-time voltage and. With improvements in shunt technology, the shunts now come with much smaller resistance values to minimize thermal dissipation and offer very high accuracy with excellent over-temperature and lifetime drift performance. ePRO PLUS Alarm Output Expander (EN5093120 Optional) These lithium battery monitors require a diverter to be installed on the negative side of the battery terminal. The fused supply wire and the QuickLink cable are both included in the package, avoiding the need for a separate connection kit. Additionally, the battery minus cable must be interrupted in order to insert the shunt into the high current circuit. Some lithium batteries include a Bluetooth interface that connects to the battery BMS, allowing you to view battery information from your phone or device when you are within range. The installation time is minimal, requiring only one supply wire to the intelligent shunt base and a single ‘QuickLink’ cable between the shunt base and the control/display unit (CDU). In these instances, It is recommended to include a shunt so the battery monitoring information can be viewed and monitored easily. So any lead- or lithium based battery from 12V up to 48V can be monitored. The ePRO PLUS battery monitor can measure DC currents up to 600Amps (500Amp continuous) and voltages up to 70Vdc. The inputs for battery bank 2 and 3 can also be configured for other purposes, like mid-point voltage measurement, keyswitch input, setup lock or backlight control. The ePRO PLUS can monitor up to three battery banks. For example, flow batteries have been efficiently addressing shunt current. The ePRO PLUS is compatible with lead based and Lithium batteries (LiFePO4). It also offers a large amount of additional features to optimally supervise your battery system and control external equipment. This advanced battery monitor not only shows the true state of charge of your battery system. The shunt has a Grid Optimized footprint for perfect integration with our DC Modular products. It consists of an intelligent shunt and a remote control display unit. The ePRO PLUS is our latest generation, highly advanced battery monitor. Features ePRO PLUS High Precision Battery Monitor
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