Often times it's called a "multi-line" or PBX phone cable. There's nothing fancy about it and it's the same as an RJ11, but it has all 6 pins wired (vs the inner 4). The little display-doodad is pretty much just that -the display/config/Bluetooth interface.Īnd you can get an RJ12 from a Wally World or even radio shack (do they even have those any more :) ). You've probably already done it, but.įYI, the shunt-board is pretty much the electrical brains and heart of the whole operation. I will add an overtly over-simplistic suggestion, check the red wire (directly at the tip) and a multimeter directly against the negative lug on the shunt (both sides). If you've checked the fuse (electrically) and are certain of end-to-end continuity, there's really not much left. In your case, however, I think the unit is toast. That was, of course, after several bouts of plugging, unplugging, replugging, end-to-end and interference testing not to mention a lot of cussing :)īut in my case, the unit was "working" just giving me complete nonsense readings. And the only thing changed was plugging the short cable, having it "magically" work correctly, and then simply plugging it back where it was. 2: Press the + button a few times, until the display shows '63 Clear History'. The display will start scrolling '01 Battery Capacity'. It sounds ridiculous, believe me, I know :)īut it did happen. From a post on another forum: To clear the history on the BMV-712: 1: On the wired remote display -Press the Setup button for 2+ seconds. Buy in monthly payments with Affirm on orders over 50. In the Support tab there is an instructional video on the installation of the BMV-712 Smart monitor and on the synchronization of lithium-ion batteries and optimization of the synchronization parameters.I've had my BMV act "squirrelly" with the original RJ12, then by simply connecting it with a short RJ12-run it magically started working correctly, even with the original cable. Victron Energy BMV-712 Smart Battery Monitor with Bluetooth. Low current consumption: 2,9Ah per month (4mA) and 2,2Ah per month (3mA) 24V High current measurement resolution: 10 mA (0,01A) Stores a wide range of historical events, which can be used to evaluate usage patterns and battery health Shunt selection capability up to 10.000 Amps Programmable relay, to turn off non critical loads or to run a generator when neededĥ00 Amp quick connect shunt and connection kit Remaining time at the current rate of discharge Prevents increased current draw in case of an alarm.īattery voltage, current, power, ampere-hours consumed and state of charge A residual current of 10mA for example may damage a 200Ah battery if the system is left in discharged state during more than 8 days. The battery will be damaged if the remaining capacity reserve is drawn from the battery. After shutdown due to low cell voltage, the capacity reserve of a Li-ion battery is approximately 1Ah per 100Ah battery capacity. Please see the BMV manual, section 5.2, for more information.Ĭurrent consumption: 0,7Ah per month (1mA) and 0,6Ah per month (0,8mA) 24VĮspecially Li-ion batteries have virtually no capacity left when discharged until low voltage shutdown. When batteries are connected in series, a timely warning can be generated by measuring the midpoint voltage. One bad cell or one bad battery can destroy a large, expensive battery bank. Included: RJ 12 cable (10 m) and battery cable with fuse (2 m) no other components needed.Īlso included are a separate front bezel for a square or round display appearance, a securing ring for rear mounting and screws for front mounting. The shunt connects to the monitor with a standard RJ12 telephone cable. Update the software when new features become availableĪll electrical connections are to the quick connect PCB on the current shunt. Monitor all important data on single screen Use a smartphone or other Bluetooth enabled device to: With Bluetooth being implemented in most other Victron Energy products, wireless communication between products will simplify system installation and enhance performance. With Bluetooth built-in, the BMV Smart is ready for the Internet of Things (IoT) era. Ampere hours consumed are calculated by integrating the current flowing in or out of the battery. The essential function of a battery monitor is to calculate ampere hours consumed and the state of charge of a battery. The BMV-712 Black Smart is a high precision battery monitor.
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