{"id":795,"date":"2023-03-06T13:27:45","date_gmt":"2023-03-06T12:27:45","guid":{"rendered":"https:\/\/solar-motors.com\/product\/converter-rs485-to-lora-lr01-wl-com-module-din-rail-tiv49a_r3-w-antenna-conv-rs4852lora\/"},"modified":"2026-08-22T02:05:06","modified_gmt":"2026-08-22T00:05:06","slug":"converter-rs485-to-lora-lr01-wl-com-module-din-rail-tiv49a_r3-w-antenna-conv-rs4852lora-0447","status":"publish","type":"product","link":"https:\/\/solar-motors.com\/sl\/izdelek\/converter-rs485-to-lora-lr01-wl-com-module-din-rail-tiv49a_r3-w-antenna-conv-rs4852lora-0447\/","title":{"rendered":"Converter RS485 to LoRa Master\/Slave LR01, TIV49A_R3\/4\/5, DIN Rail, with int. 433MHz FPC Antenna (0447)"},"content":{"rendered":"

Wireless field interface for SAT CONTROL solar tracker networks<\/span><\/strong><\/span><\/p>\n

The RS485 to LoRa Master\/Slave Converter provides a reliable bidirectional wireless communication link between a compatible SAT CONTROL solar tracker positioning device and the LoRa communication network controlled by the Sigma Solar Server. The converter receives LoRa wireless data from the RS485 to LoRa Master\/Slave Converter and converts it into half-duplex RS485 communication for the connected solar tracker controller. Communication responses from the field device are converted back into LoRa radio signals and transmitted to the Master\/Slave Converter. The Master\/Slave Converter operates on the solar tracker or field-device side of the communication network and uses the SAT CONTROL modified MODBUS-based communication protocol.<\/span><\/p>\n

Wireless replacement for long RS485 cables<\/span><\/strong><\/p>\n

The converter is particularly suitable for solar power plants where conventional RS485 communication cables would be expensive, impractical or exposed to electrical disturbances. By replacing long RS485 communication lines with LoRa wireless communication, the system can:<\/span><\/p>\n

1.Reduce communication cable installation costs.<\/span><\/p>\n

2.Simplify solar tracker installation and commissioning.<\/span><\/p>\n

3.Bridge long distances between the control room and individual tracker sectors.<\/span><\/p>\n

4.Reduce problems caused by ground potential differences between different parts of the solar power plant.<\/span><\/p>\n

5.Limit the propagation of surge and lightning-related damage through communication cables.<\/span><\/p>\n

6.Enable communication in locations where underground cable installation is difficult.<\/span><\/p>\n

7.Support wireless routing and communication with devices without a direct line of sight.<\/span><\/p>\n

Designed for field-side installation<\/span><\/strong><\/p>\n

The converter is powered by 9-27,6 VDC and includes:<\/span><\/p>\n

1.Varistor-based overvoltage protection on the power input.<\/span><\/p>\n

2.ESD protection on the half-duplex RS485 communication interface.<\/span><\/p>\n

3.A removable WLM LoRa communication module installed as a replaceable daughterboard.<\/span><\/p>\n

4.Programmable radio transmission power of up to 22 dBm\/ approximately 160 mW.<\/span><\/p>\n

5.LED indication for power, RS485 communication and LoRa communication.<\/span><\/p>\n

6.A DIN rail mounting clip for installation on a standard 35 mm DIN rail.<\/span><\/p>\n

7.Support for remote firmware updates through the Sigma Solar Server and LoRa network.<\/span><\/p>\n

8.An integrated flexible internal 433 MHz FPC antenna.<\/span><\/p>\n

Integrated internal flexible antenna<\/span><\/strong><\/p>\n

The Master\/Slave Converter is equipped with a compact flexible FPC antenna designed for operation in the 433 MHz frequency band. The antenna is connected directly to the WLM LoRa module by an integrated coaxial cable and IPX-1 miniature RF connector. Because the antenna is flexible and lightweight, it can be positioned freely inside the device enclosure. The internal antenna provides a compact installation solution for field-side converters installed inside suitable non-metallic or RF-transparent enclosures.<\/span><\/p>\n

Typical applications<\/span><\/strong><\/p>\n

1.Communication between the LoRa Master\/Slave Converter and a solar tracker positioning device.<\/span><\/p>\n

2.Wireless communication for single-axis solar trackers.<\/span><\/p>\n

3.Wireless communication for dual-axis solar trackers.<\/span><\/p>\n

4.Retrofit of existing RS485 solar tracker installations.<\/span><\/p>\n

5.Solar plants with large distances between individual tracker sectors.<\/span><\/p>\n

6.Wireless routing between different sections of a solar power plant.<\/span><\/p>\n

7.Integration of SAT CONTROL positioning devices into a Sigma-controlled wireless network.<\/span><\/p>\n

Product Identification<\/span> <\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/span><\/td>\nSpecification<\/span><\/td>\n<\/tr>\n
Product name<\/span><\/td>\nRS485 to LoRa Master\/Slave Converter with Internal FPC Antenna<\/span><\/td>\n<\/tr>\n
Product code<\/span><\/td>\n0447<\/span><\/td>\n<\/tr>\n
Model code<\/span><\/td>\nCON-RS4852LR-S<\/span><\/td>\n<\/tr>\n
Hardware version<\/span><\/td>\nTIV49A_R3<\/span><\/td>\n<\/tr>\n
Product type<\/span><\/td>\nRS485 to LoRa<\/span> Master\/Slave communication converter<\/span><\/td>\n<\/tr>\n
Network position<\/span><\/td>\nSolar tracker or field-device side<\/span><\/td>\n<\/tr>\n
Installation<\/span><\/td>\nIndoor or inside a suitable equipment enclosure<\/span><\/td>\n<\/tr>\n
Mounting<\/span><\/td>\nDIN rail 35 \u00d7 7.5 mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Main Function<\/span><\/strong><\/p>\n

The RS485 to LoRa Master\/Slave Converter acts as the field-side communication interface between the LoRa wireless network and a compatible SAT CONTROL solar tracker positioning device. It converts received LoRa radio signals into wired half-duplex RS485 communication and converts RS485 responses from the connected device back into LoRa radio signals. The converter communicates with the RS485 to LoRa Master Converter installed on the Sigma Solar Server side of the network.<\/span><\/p>\n

Communication<\/span><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/span><\/td>\nSpecification<\/span><\/td>\n<\/tr>\n
Wired communication interface<\/span><\/td>\nRS485 half-duplex<\/span><\/td>\n<\/tr>\n
RS485 protection<\/span><\/td>\nESD protected<\/span><\/td>\n<\/tr>\n
Serial communication protocol<\/span><\/td>\nSAT CONTROL modified MODBUS-based protocol<\/span><\/td>\n<\/tr>\n
Wireless technology<\/span><\/td>\nLoRa-based wireless communication<\/span><\/td>\n<\/tr>\n
Radio frequency<\/span><\/td>\n433 MHz band<\/span><\/td>\n<\/tr>\n
Network role<\/span><\/td>\nMaster\/Slave, router or field endpoint, depending on system configuration<\/span><\/td>\n<\/tr>\n
Radio transmission power<\/span><\/td>\nProgrammable, up to 22 dBm \/ approximately 160 mW<\/span><\/td>\n<\/tr>\n
Typical open-field range<\/span><\/td>\nUp to 1 km under suitable installation conditions<\/span><\/td>\n<\/tr>\n
Extended network range<\/span><\/td>\nUp to approximately 5 km using multiple communication hops<\/span><\/td>\n<\/tr>\n
Firmware update<\/span><\/td>\nRemote OTA update through the Sigma Solar Server and LoRa network<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Actual wireless range depends on antenna position, enclosure material, installation height, terrain, buildings, metal structures, interference and local radio conditions.<\/span><\/p>\n

Power Supply<\/span><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
Parameter<\/span><\/strong><\/td>\nSpecification<\/span><\/strong><\/td>\n<\/tr>\n
Nominal input voltage<\/span><\/td>\n24 VDC<\/span><\/td>\n<\/tr>\n
Permitted input voltage range<\/span><\/td>\n9 V to 27.6 VDC<\/span><\/td>\n<\/tr>\n
Power input protection<\/span><\/td>\nVaristor-based overvoltage protection<\/span><\/td>\n<\/tr>\n
Typical power consumption in idle mode<\/span><\/td>\nApproximately 1 W<\/span><\/td>\n<\/tr>\n
Required power source<\/span><\/td>\nExternal regulated SMPS<\/span><\/td>\n<\/tr>\n
Power supply included<\/span><\/td>\nNo<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Internal Antenna Data<\/span><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/span><\/strong><\/td>\nSpecification<\/span><\/strong><\/td>\n<\/tr>\n
Antenna type<\/span><\/td>\nFlexible internal FPC antenna<\/span><\/td>\n<\/tr>\n
Antenna dimensions<\/span><\/td>\n57 \u00d7 10 mm<\/span><\/td>\n<\/tr>\n
Operating frequency range<\/span><\/td>\n423-443 MHz<\/span><\/td>\n<\/tr>\n
Nominal operating frequency<\/span><\/td>\n433 MHz<\/span><\/td>\n<\/tr>\n
Nominal antenna gain<\/span><\/td>\n2.5 dBi<\/span><\/td>\n<\/tr>\n
Characteristic impedance<\/span><\/td>\n50 \u03a9<\/span><\/td>\n<\/tr>\n
VSWR<\/span><\/td>\n\u2264 1.5<\/span><\/td>\n<\/tr>\n
Connection<\/span><\/td>\nIntegrated coaxial cable with I-PEX \/ U.FL-compatible connector<\/span><\/td>\n<\/tr>\n
Installation method<\/span><\/td>\nFreely positioned inside a suitable enclosure<\/span><\/td>\n<\/tr>\n
External mounting bracket<\/span><\/td>\nNot required<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Status Indication and Controls<\/span><\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n
Function<\/span><\/td>\nIndication or control<\/span><\/td>\n<\/tr>\n
Power status<\/span><\/td>\n1 LED<\/span><\/td>\n<\/tr>\n
RS485 transmission and reception<\/span><\/td>\n2 LEDs<\/span><\/td>\n<\/tr>\n
LoRa transmission and reception<\/span><\/td>\n2 LEDs<\/span><\/td>\n<\/tr>\n
Network binding \/ pairing function<\/span><\/td>\n1 manual push button<\/span><\/td>\n<\/tr>\n
Reserved function<\/span><\/td>\n1 manual push button<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Mechanical Data<\/span> <\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n\n
Parameter<\/span><\/td>\nSpecification<\/span><\/td>\n<\/tr>\n
Dimensions<\/span><\/td>\n95 \u00d7 45 \u00d7 25 mm<\/span><\/td>\n<\/tr>\n
Weight Approximately<\/span><\/td>\n51,4 g<\/span><\/td>\n<\/tr>\n
Mounting position<\/span><\/td>\nInside an electrical or control cabinet<\/span><\/td>\n<\/tr>\n
Mounting method<\/span><\/td>\nDIN rail mounting<\/span><\/td>\n<\/tr>\n
DIN rail type<\/span><\/td>\n35 \u00d7 7.5 mm<\/span><\/td>\n<\/tr>\n
DIN rail holder<\/span><\/td>\nIntegrated on the underside of the converter<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Environmental Conditions<\/span><\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n
Parameter<\/span><\/td>\nSpecification<\/span><\/td>\n<\/tr>\n
Operating temperature<\/span><\/td>\n-30 \u00b0C to +80 \u00b0C<\/span><\/td>\n<\/tr>\n
Relative humidity<\/span><\/td>\n0% to 85%<\/span><\/td>\n<\/tr>\n
Condensation<\/span><\/td>\nNot permitted<\/span><\/td>\n<\/tr>\n
Installation environment<\/span><\/td>\nIndoor<\/span><\/td>\n<\/tr>\n
Recommended antenna location<\/span><\/td>\nOutside metal cabinets or buildings where required<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

System Features<\/span><\/strong><\/p>\n

    \n
  1. Simple installation and commissioning.<\/span><\/li>\n
  2. Bidirectional conversion between RS485 and LoRa communication.<\/span><\/li>\n
  3. Replaceable WLM wireless communication module.<\/span><\/li>\n
  4. Support for wireless routing and multi-hop communication.<\/span><\/li>\n
  5. Remote firmware updating through the Sigma Solar Server.<\/span><\/li>\n
  6. Suitable for new installations and retrofit projects.<\/span><\/li>\n
  7. Reduced requirement for underground communication cabling.<\/span><\/li>\n
  8. Reduced exposure to surge propagation through long RS485 cables.<\/span><\/li>\n
  9. Direct communication with the Sigma Solar Server through its RS485 service interface<\/span><\/li>\n<\/ol>\n

    Important Installation Note<\/span><\/strong><\/p>\n

    The flexible FPC antenna must be positioned to allow effective radio transmission. For reliable wireless performance:<\/span><\/p>\n

    1.Do not place the antenna directly against metal surfaces.<\/span><\/p>\n

    2.Do not install the antenna between the PCB and a metal enclosure wall.<\/span><\/p>\n

    3.Keep the antenna away from power cables, switching power supplies, motors and other sources of electromagnetic interference.<\/span><\/p>\n

    4.Keep the active antenna area as straight and unobstructed as practically possible.<\/span><\/p>\n

    5.Install the converter inside a non-metallic or RF-transparent enclosure whenever possible.<\/span><\/p>\n

    6.Maintain sufficient distance between the antenna and grounded metal parts.<\/span><\/p>\n

    7.Do not sharply bend, fold, crush or otherwise damage the flexible antenna.<\/span><\/p>\n

    8.Follow the applicable local regulations for operation in the 433 MHz frequency band.<\/span><\/p>\n

    Installation in a non-metallic or RF-transparent enclosure is recommended. Installation inside a completely closed metal enclosure can significantly reduce or completely block LoRa communication. For metal control cabinets, the Master\/Slave Converter version with an external RP-SMA antenna connection is recommended.<\/span><\/p>\n

    DOCUMENTATION:<\/strong><\/span><\/p>\n

    0447 Converter RS485 to Lora_LR<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    Wireless field interface for SAT CONTROL solar tracker networks<\/span><\/strong><\/span><\/p>\n

    The RS485 to LoRa Slave Converter provides a reliable bidirectional wireless communication link between a compatible SAT CONTROL solar tracker positioning device and the LoRa communication network controlled by the Sigma Solar Server. The converter receives LoRa wireless data from the RS485 to LoRa Master Converter and converts it into half-duplex RS485 communication for the connected solar tracker controller. Communication responses from the field device are converted back into LoRa radio signals and transmitted to the Master Converter. The Slave Converter operates on the solar tracker or field-device side of the communication network and uses the SAT CONTROL modified MODBUS-based communication protocol.<\/span><\/p>\n","protected":false},"featured_media":10643,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false},"product_brand":[],"product_cat":[66],"product_tag":[],"class_list":{"0":"post-795","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-solar-plc-controller-accessories","7":"pa_country_of_origin-slovenia","9":"first","10":"onbackorder","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"\nConverter RS485 to LoRa Master\/Slave LR01, TIV49A_R3\/4\/5, DIN Rail, with int. 433MHz FPC Antenna (0447) - Solar Motors<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/solar-motors.com\/sl\/izdelek\/converter-rs485-to-lora-lr01-wl-com-module-din-rail-tiv49a_r3-w-antenna-conv-rs4852lora-0447\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Converter RS485 to LoRa Master\/Slave LR01, TIV49A_R3\/4\/5, DIN Rail, with int. 433MHz FPC Antenna (0447) - Solar Motors\" \/>\n<meta property=\"og:description\" content=\"Wireless field interface for SAT CONTROL solar tracker networks The RS485 to LoRa Slave Converter provides a reliable bidirectional wireless communication link between a compatible SAT CONTROL solar tracker positioning device and the LoRa communication network controlled by the Sigma Solar Server. The converter receives LoRa wireless data from the RS485 to LoRa Master Converter and converts it into half-duplex RS485 communication for the connected solar tracker controller. Communication responses from the field device are converted back into LoRa radio signals and transmitted to the Master Converter. The Slave Converter operates on the solar tracker or field-device side of the communication network and uses the SAT CONTROL modified MODBUS-based communication protocol.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/solar-motors.com\/sl\/izdelek\/converter-rs485-to-lora-lr01-wl-com-module-din-rail-tiv49a_r3-w-antenna-conv-rs4852lora-0447\/\" \/>\n<meta property=\"og:site_name\" content=\"Solar Motors\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-22T00:05:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/solar-motors.com\/wp-content\/uploads\/2023\/03\/0477-od-spredej.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"1536\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"6 minut\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/solar-motors.com\/sl\/izdelek\/converter-rs485-to-lora-lr01-wl-com-module-din-rail-tiv49a_r3-w-antenna-conv-rs4852lora-0447\/\",\"url\":\"https:\/\/solar-motors.com\/sl\/izdelek\/converter-rs485-to-lora-lr01-wl-com-module-din-rail-tiv49a_r3-w-antenna-conv-rs4852lora-0447\/\",\"name\":\"Converter RS485 to LoRa Master\/Slave LR01, TIV49A_R3\/4\/5, DIN Rail, with int. 433MHz FPC Antenna (0447) - 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