Modbus Organization

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Schweitzer Engineering Laboratories

Member: No


2350 NE Hopkins Court
Pullman, WA 99163 USA

Phone: +1 509-332-1890
Fax: +1 509-332-7990
Web Site:


SEL offers a complete line of products and services for the protection, monitoring, control, automation, and metering of electric power systems.


Product Name Type Connectivity Product Description
Feeder Protection Relay, SEL-751AMisc. HardwareModbus, Modbus TCPFeeder Protection: Maximize control scheme flexibility with time- and instantaneous- overcurrent, overvoltage, undervoltage, and frequency elements. Use the four programmable pushbuttons on the front panel for quick, personalized control. Choose from Ethernet or serial communications and several protocols, including MIRRORED BITS? and IEC 61850. Pick a single Modbus? TCP or multiple Modbus Serial sessions for custom configuration of your application.