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electrical:solar:tracer [2019/07/21 08:50]
frater_secessus [quirks]
electrical:solar:tracer [2020/01/07 08:57] (current)
frater_secessus [Chinese MPPT charge controllers]
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 ====== Chinese MPPT charge controllers ====== ====== Chinese MPPT charge controllers ======
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 Prior to the introduction of Chinese controllers,​ MPPT was an expensive feature found only on controllers costing hundreds of dollars. ​ Chinese controllers cost about half the price of premium controllers.  ​ Prior to the introduction of Chinese controllers,​ MPPT was an expensive feature found only on controllers costing hundreds of dollars. ​ Chinese controllers cost about half the price of premium controllers.  ​
  
- +PWM controllers have [[electrical:​solar:​pwm|their own page.]]
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 ===== Tracer ===== ===== Tracer =====
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 Current production models are below; ​ [[electrical:​solar:​tracer-old|older models have been moved]]. Current production models are below; ​ [[electrical:​solar:​tracer-old|older models have been moved]].
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 ==== quirks ==== ==== quirks ====
 Some [[electrical:​solar:​charge_controller_setpoints|voltage setpoints]] are constrained in relationship to each other. ​  ​Because of this it may be easiest to configure them in a particular order.((http://​techluck.com/​cgi-bin/​YaBB.pl?​num=1486955008)) ​ This order places the configurations in increasing (or equal) voltages the way the controller wants it.  Some [[electrical:​solar:​charge_controller_setpoints|voltage setpoints]] are constrained in relationship to each other. ​  ​Because of this it may be easiest to configure them in a particular order.((http://​techluck.com/​cgi-bin/​YaBB.pl?​num=1486955008)) ​ This order places the configurations in increasing (or equal) voltages the way the controller wants it. 
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   - "Low Voltage Reconnect Voltage"​   - "Low Voltage Reconnect Voltage"​
   - "Boost Reconnect"​   - "Boost Reconnect"​
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   - Then "​Charging Limit"   - Then "​Charging Limit"
   - Then "Over Voltage Disconnect"​   - Then "Over Voltage Disconnect"​
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 {{http://​img.mousetrap.net/​boondocking/​MT-50_displayEvil.jpg?​150 }} {{http://​img.mousetrap.net/​boondocking/​MT-50_displayEvil.jpg?​150 }}
 Tracer (and the Renogy rebrands) refer to the **Absorption stage as "​boost"​**. ​ This is an unforced error; the nonstandard term confuses newcomers and conflicts with the already-existing "​[[electrical:​solar:​charge_controller#​mppt|MPPT boost]]"​ term.  Tracer (and the Renogy rebrands) refer to the **Absorption stage as "​boost"​**. ​ This is an unforced error; the nonstandard term confuses newcomers and conflicts with the already-existing "​[[electrical:​solar:​charge_controller#​mppt|MPPT boost]]"​ term. 
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 The **battery icon** found on many Tracer controllers is unnecessary and misleading. ​ The manual claims it is a  [[electrical:​depth_of_discharge|State of Charge]] meter but there is no guide to reading it.  Since the same voltage can result in different display during charging and non-charging scenarios, it may actually be useful to think of as a **charging indicator rather than state of charge indicator**. ​ Secessus'​ unscientific observation reveals these weak correlations:​ The **battery icon** found on many Tracer controllers is unnecessary and misleading. ​ The manual claims it is a  [[electrical:​depth_of_discharge|State of Charge]] meter but there is no guide to reading it.  Since the same voltage can result in different display during charging and non-charging scenarios, it may actually be useful to think of as a **charging indicator rather than state of charge indicator**. ​ Secessus'​ unscientific observation reveals these weak correlations:​
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 | |  **Charging**| ​ **Not charging**| | |  **Charging**| ​ **Not charging**|
 |  **5 bars / 100%**| ​ Float| | |  **5 bars / 100%**| ​ Float| |
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 |  **1 bar / 20%: early bulk**| ​ early Bulk, <​Vfloat| ​ <= Vreconnect| |  **1 bar / 20%: early bulk**| ​ early Bulk, <​Vfloat| ​ <= Vreconnect|
 |  **0 bar / 0%:  **|  not charging| ​ <= Vlvd| |  **0 bar / 0%:  **|  not charging| ​ <= Vlvd|
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 ==== A series ==== ==== A series ====
 {{https://​images-na.ssl-images-amazon.com/​images/​I/​51Ea6Qpt0zL._AC_UL160_SR160,​160_.jpg }} {{https://​images-na.ssl-images-amazon.com/​images/​I/​51Ea6Qpt0zL._AC_UL160_SR160,​160_.jpg }}
 The A series has a front LCD display and rear-facing heat fins. It can handle up to 100v of solar input. The A series has a front LCD display and rear-facing heat fins. It can handle up to 100v of solar input.
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 The A series (and BN below) use the MT-50 display. ​ Communications are via RJ-485 adapter and the [[http://​www.solar-elektro.cz/​data/​dokumenty/​1733_modbus_protocol.pdf|LS-B protocol]] (pdf). ​ [[https://​github.com/​kasbert/​epsolar-tracer|Open source software]] is available. The A series (and BN below) use the MT-50 display. ​ Communications are via RJ-485 adapter and the [[http://​www.solar-elektro.cz/​data/​dokumenty/​1733_modbus_protocol.pdf|LS-B protocol]] (pdf). ​ [[https://​github.com/​kasbert/​epsolar-tracer|Open source software]] is available.
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 ==== BN series ==== ==== BN series ====
 {{ https://​images-na.ssl-images-amazon.com/​images/​I/​51QoYHrxkRL._AC_US160_.jpg}} {{ https://​images-na.ssl-images-amazon.com/​images/​I/​51QoYHrxkRL._AC_US160_.jpg}}
 The BN series has no display. ​ It has massive front-mounted heat fins.  It is the first Tracer with so-called [[electrical:​solar:​charge_controller#​positive_ground_controllers|negative ground]]. The BN series has no display. ​ It has massive front-mounted heat fins.  It is the first Tracer with so-called [[electrical:​solar:​charge_controller#​positive_ground_controllers|negative ground]].
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 The BN controllers use the same comms setup as the A series above. ​ Some users have reported sluggish PPT under changing conditions. ​ The BN controllers use the same comms setup as the A series above. ​ Some users have reported sluggish PPT under changing conditions. ​
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 ==== eTracer BND series ==== ==== eTracer BND series ====
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 This 150v, "​negative ground"​ controller looks like a BN with an inset display module. This 150v, "​negative ground"​ controller looks like a BN with an inset display module.
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 Comms are by RS232, CAN BUS and Ethernet. Comms are by RS232, CAN BUS and Ethernet.
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 The eTracer is also sold as the Renogy Commander. The eTracer is also sold as the Renogy Commander.
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 [[http://​www.epsolarpv.com/​en/​uploads/​news/​201311/​1383794723784755.pdf|manual]] (pdf) [[http://​www.epsolarpv.com/​en/​uploads/​news/​201311/​1383794723784755.pdf|manual]] (pdf)
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 ==== Triron series ==== ==== Triron series ====
 {{ http://​www.epsolarpv.com/​en/​uploads/​news/​201708/​1503388440391804.jpg}} {{ http://​www.epsolarpv.com/​en/​uploads/​news/​201708/​1503388440391804.jpg}}
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 The Triron is also sold as the Renogy Rover, which can be programmed using the [[https://​www.renogy.com/​rover-20-amp-mppt-solar-charge-controller/#​tab_prd-downloads|free software]]. The Triron is also sold as the Renogy Rover, which can be programmed using the [[https://​www.renogy.com/​rover-20-amp-mppt-solar-charge-controller/#​tab_prd-downloads|free software]].
 ==== SPP programmers ==== ==== SPP programmers ====
 {{https://​i.ebayimg.com/​00/​s/​ODUwWDg1MA==/​z/​3eIAAOSw9EZZi~Dl/​$_58.JPG?​200 }} {{https://​i.ebayimg.com/​00/​s/​ODUwWDg1MA==/​z/​3eIAAOSw9EZZi~Dl/​$_58.JPG?​200 }}
 The SPP-01 and -02 appear to be devices that can be used to backup or configure Tracers in the field. ​ They are largely undocumented. The SPP-01 and -02 appear to be devices that can be used to backup or configure Tracers in the field. ​ They are largely undocumented.
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 ==== MT-50 display ==== ==== MT-50 display ====
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 {{ https://​us.v-cdn.net/​6024911/​uploads/​editor/​l6/​v53xktbye01p.jpg?​150}} ​ The MT-50 display is not a meter //per se//.  It is a display for controller information and an interface by which configuration changes can be made.  {{ https://​us.v-cdn.net/​6024911/​uploads/​editor/​l6/​v53xktbye01p.jpg?​150}} ​ The MT-50 display is not a meter //per se//.  It is a display for controller information and an interface by which configuration changes can be made. 
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 The **default screen** shows input from panel (volts and amps), output to battery (volts and amps), and output to LOAD (volts and amps).  ​ The **default screen** shows input from panel (volts and amps), output to battery (volts and amps), and output to LOAD (volts and amps).  ​
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 The LOAD icon (light bulb) has rays around it **when the load circuit is on**;  this does not mean there is a load present. ​ The LOAD icon (light bulb) has rays around it **when the load circuit is on**;  this does not mean there is a load present. ​
- +==== wireless modules ==== 
 +{{ http://​img.mousetrap.net/​boondocking/​Screenshot_20191004-112248.jpg?​125}}Epever makes [[https://​amzn.to/​2pJmrjs|bluetooth]] and [[https://​amzn.to/​31UbKsD|wifi]] modules that plug in to the same port the MT-50 uses.  This allows the [[https://​play.google.com/​store/​apps/​details?​id=com.mdtit.PhoneInvert|free smartphone app]] to connect to the controller over bt/wifi for configuration and display. Pic to the right is from secessus'​ rig. 
 +[[https://​amzn.to/​2noYIED|Renogy rebadges the modules]] for their [rebadged] controllers. 
 +---- 
 +Renogy
 ===== Eco-worthy ===== ===== Eco-worthy =====
 [[http://​amzn.to/​2znDiMi|{{ https://​images-na.ssl-images-amazon.com/​images/​I/​51NrvP7ovWL._AC_US218_.jpg}}]] The Eco-worth was one of the first low-priced true MPPT controllers on the market.  ​ [[http://​amzn.to/​2znDiMi|{{ https://​images-na.ssl-images-amazon.com/​images/​I/​51NrvP7ovWL._AC_US218_.jpg}}]] The Eco-worth was one of the first low-priced true MPPT controllers on the market.  ​
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 Eco-worthy refers to three stage charging as "​impulse,​ bulk, and float"​. Eco-worthy refers to three stage charging as "​impulse,​ bulk, and float"​.
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 [[https://​www.youtube.com/​watch?​v=JgWAa7dmn98|Youtube review: eBay MPPT Solar Charge Controller Review - 12v Solar Shed]]. [[https://​www.youtube.com/​watch?​v=JgWAa7dmn98|Youtube review: eBay MPPT Solar Charge Controller Review - 12v Solar Shed]].
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 ---- ----
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 ===== MPPT boosting controllers ===== ===== MPPT boosting controllers =====
-{{ https://​images-na.ssl-images-amazon.com/​images/​I/​51n1AlgRMWL._AC_US160_.jpg?​100}}These little ​10A controllers are indeed MPPT, but of limited use for RVers. ​ They are strictly "​boosting"​ (upconverting) controllers instead of the usual downconverting controllers. ​ This means they could be used to charge a 24v bank from 12v panels. +{{ https://​images-na.ssl-images-amazon.com/​images/​I/​51n1AlgRMWL._AC_US160_.jpg?​100}}The [[https://​amzn.to/​35e0KIM|mpt-7210a ​10A controllers]] are indeed MPPT, but of limited use for RVers. ​ They are strictly "​boosting"​ (upconverting) controllers instead of the usual downconverting controllers. ​ This means they could be used to charge a 24v bank from 12v panels. ​ Or, for example, a 48v ebike from 12v portable panels.
 [This company needs to make a normal MPPT at this price point! ​ -- secessus] [This company needs to make a normal MPPT at this price point! ​ -- secessus]
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 ---- ----
 ===== fake MPPT units ===== ===== fake MPPT units =====
 The following units are "​fake"​ in the sense that they do not do MPPT. Some are PWM, some are shunt. ​ This doesn'​t mean they won't work but it does mean they are marketed incorrectly. ​ Adjust your willingness to pay based on actual function. The following units are "​fake"​ in the sense that they do not do MPPT. Some are PWM, some are shunt. ​ This doesn'​t mean they won't work but it does mean they are marketed incorrectly. ​ Adjust your willingness to pay based on actual function.
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 ==== CPT/CPY ==== ==== CPT/CPY ====
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 === CPT-LA10 === === CPT-LA10 ===
 [[http://​amzn.to/​2iSeyFc|{{https://​images-na.ssl-images-amazon.com/​images/​I/​51t1rrF7RjL._AC_US218_.jpg?​75 }}]]The CPT is a non-adjustable 10A controller with claimed 100v input.  ​ [[http://​amzn.to/​2iSeyFc|{{https://​images-na.ssl-images-amazon.com/​images/​I/​51t1rrF7RjL._AC_US218_.jpg?​75 }}]]The CPT is a non-adjustable 10A controller with claimed 100v input.  ​
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 [[https://​www.youtube.com/​watch?​v=1z5r3Yo6fmQ&​t=335s|Adam Welch tested]] to 40+ voltage. ​ Vabs appeared to be 14.7v and Vfloat appeared to be 13.5v, although it could be a [[electrical:​12v:​charging#​charge-and-stop|charge-and-stop]] unit that happened to rest at 13.5v. [[https://​www.youtube.com/​watch?​v=1z5r3Yo6fmQ&​t=335s|Adam Welch tested]] to 40+ voltage. ​ Vabs appeared to be 14.7v and Vfloat appeared to be 13.5v, although it could be a [[electrical:​12v:​charging#​charge-and-stop|charge-and-stop]] unit that happened to rest at 13.5v.
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 [[http://​www.dkvolt.dk/​wp-content/​uploads/​2015/​05/​Laderegulator-MPPT-10A-CPT.pdf|CPT manual]] [[http://​www.dkvolt.dk/​wp-content/​uploads/​2015/​05/​Laderegulator-MPPT-10A-CPT.pdf|CPT manual]]
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 [[https://​www.youtube.com/​watch?​v=1z5r3Yo6fmQ|Youtube review: Another Cheap MPPT Charge Controller - CPT-LA10 - 12v Solar Shed]] ​ [[https://​www.youtube.com/​watch?​v=1z5r3Yo6fmQ|Youtube review: Another Cheap MPPT Charge Controller - CPT-LA10 - 12v Solar Shed]] ​
 === CPY-2410 === === CPY-2410 ===
 [[http://​amzn.to/​2ykBGTz|{{ https://​images-na.ssl-images-amazon.com/​images/​I/​51TvjTt53sL._AC_US160_.jpg?​75}}]] [[http://​amzn.to/​2ykBGTz|{{ https://​images-na.ssl-images-amazon.com/​images/​I/​51TvjTt53sL._AC_US160_.jpg?​75}}]]
 Note:  while early versions (1.6) were reported to do actual MPPT, later versions (2.3) are reported to be dumbed down.   The later versions still do DC-DC conversion but do not track powerpoints; ​ they run the panels about 2v higher than battery voltage. ​ See the comments on [[https://​www.youtube.com/​watch?​v=Zxy5JBUuFaQ|this test video]] and [[https://​boondockplan.wordpress.com/​tag/​cpy-2410/​|these blog posts]]. Note:  while early versions (1.6) were reported to do actual MPPT, later versions (2.3) are reported to be dumbed down.   The later versions still do DC-DC conversion but do not track powerpoints; ​ they run the panels about 2v higher than battery voltage. ​ See the comments on [[https://​www.youtube.com/​watch?​v=Zxy5JBUuFaQ|this test video]] and [[https://​boondockplan.wordpress.com/​tag/​cpy-2410/​|these blog posts]].
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 [[https://​www.youtube.com/​watch?​v=05IcvuI7kJ8|Youtube review: UEIUA Cheap MPPT Solar Charge Controller - 12v Solar Shed]] ​ [[https://​www.youtube.com/​watch?​v=05IcvuI7kJ8|Youtube review: UEIUA Cheap MPPT Solar Charge Controller - 12v Solar Shed]] ​
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 === CPS-2410 === === CPS-2410 ===
 {{https://​i.ebayimg.com/​thumbs/​images/​m/​mPzETvhXBeG1692y3lhZU0g/​s-l225.jpg?​75 }}The CPS appears to be the new/dumb CPY in a different case with a much bigger heatsink. {{https://​i.ebayimg.com/​thumbs/​images/​m/​mPzETvhXBeG1692y3lhZU0g/​s-l225.jpg?​75 }}The CPS appears to be the new/dumb CPY in a different case with a much bigger heatsink.
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 ---- ----
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 ==== M10 / T10 ==== ==== M10 / T10 ====
 {{ https://​i.ebayimg.com/​thumbs/​images/​m/​m-rs8akWzdfagSa6U4VuzjA/​s-l225.jpg?​75}}The M and T series are adjustable shunt controllers. {{ https://​i.ebayimg.com/​thumbs/​images/​m/​m-rs8akWzdfagSa6U4VuzjA/​s-l225.jpg?​75}}The M and T series are adjustable shunt controllers.
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 ---- ----
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 ==== CMT ==== ==== CMT ====
 {{https://​i.ebayimg.com/​thumbs/​images/​m/​mxY3693tLp_jPH7AC-SWMVQ/​s-l225.jpg?​75 }}CMT controllers are non-adjustable PWM of decent quality, sometimes sold by unscrupulous or uninformed sellers as MPPT.  ​ {{https://​i.ebayimg.com/​thumbs/​images/​m/​mxY3693tLp_jPH7AC-SWMVQ/​s-l225.jpg?​75 }}CMT controllers are non-adjustable PWM of decent quality, sometimes sold by unscrupulous or uninformed sellers as MPPT.  ​
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 ---- ----
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 ==== waterproof ==== ==== waterproof ====
 {{ https://​i.ebayimg.com/​thumbs/​images/​m/​mSN0FmxrTlt1EEGuRJFS-eg/​s-l225.jpg?​75}}The waterproof controllers are pwm at best. [[https://​www.youtube.com/​watch?​v=0lnShSebU4o|Confirmed by Adam Welch]]. {{ https://​i.ebayimg.com/​thumbs/​images/​m/​mSN0FmxrTlt1EEGuRJFS-eg/​s-l225.jpg?​75}}The waterproof controllers are pwm at best. [[https://​www.youtube.com/​watch?​v=0lnShSebU4o|Confirmed by Adam Welch]].
  
electrical/solar/tracer.1563724246.txt.gz · Last modified: 2019/07/21 08:50 by frater_secessus