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Morningstar EIA-485/RS-232 Communications Adapter (RSC-1)
Morningstar’s EIA-485 / RS-232 Communications Adapter (RSC-1) enables
networking capability by converting a controller or inverter’s RS-232 port to a standard
EIA-485 serial connector. Converting to EIA-485 allows up to 128 Morningstar products to communicate on the same communication bus and over much greater distances. The RSC-1 may be used with any Morningstar controller or
inverter equipped with a RS-232 port.
Key Features
Allows up to 128 Morningstar products to communicate on the same communications bus and over much greater distances than with RS-232
All data is transmitted via MODBUS™ protocol
Removable four (4) position EIA-485 terminal
9-pin RS-232 connector (male)
Status LED for monitoring and diagnostics
Molded tabs for attachment to 35mm standard DIN rail
RS-232 ribbon cable (not shown) with low-profile connectors
Networking several TriStar and/or TriStar MPPT controllers
Adding Morningstar PC Meterbus Adapters (MSC) for use with an
RJ-11 port in multi-device networks
Adding Morningstar’s Relay Driver (RD-1) to a network
Integrating any compatible Morningstar product into an existing EIA-485 network, such as those used by industrial control or SCADA systems
Specifications and Certifications
| Parameter | Specification |
| Minimum Operating Voltage | 8V-16V |
| Self Consumption | 8mA - 16mA |
| Operating Temperature Range | -40 C to +60C |
| Baud Rate | 9600 baud |
| EIA-485 Network Unit Load | 1/4 |
| Operating Temperature | -40C to +60C |
| Storage Temperature | -55C to +80C |
| Humidity | 100% N.C. |
| Enclosure | IP20 |
| Dimensions | 2.83 x 1.37 x 0.90 inches |
| Weight | 37 g (1.3 oz) |
| DIN Rail Compatibility | 35 mm (1-3/8”) |
| Warranty | 5 Years |
| CE and RoHS | Yes |
| Manufactured in a Certified ISO 9001 Facility: | Yes |