... L) low voltage system. Devices offer one RS485 serial to link with PLC, PCs, and SCADA system etc.Applications include ... switchboard, energy management system, and power quality analysis etc.PMAC615 Digital Amp Meter Feature:*Combination of remote signaling, remote control, ... or 80~300VDC*Programmable CT (1 ~ 9,999)*Optional digital input, relay alarm output*Simulate OLED display, high definition and ...