How do I connect a single-circuit measurement unit?

Single-circuit meter installation guide:

• Current measurement : Mount current transformers (CTs) on power cables upstream of breaker. Typical ratios: 50/5A, 100/5A, 200/5A depending on circuit load. Secondary terminals connect to meter CT inputs.
• Voltage measurement : Connect phase conductor (L1) and neutral (N) to voltage inputs. For three-phase installation, connect all three phases (L1, L2, L3) + N for balanced measurement.
• Grounding : Meter chassis earth must connect to installation earth bar (safety + EMC immunity).
• Communication setup : Modbus RTU on RS485 twisted pair (shielded CAT5e or CAT6) with 120Ω termination resistors. Maximum 1200m distance at 9600 baud. For Modbus TCP, use standard Ethernet (RJ45).
• Baudrate & addressing : Default 9600 baud, 8 bits, 1 stop, no parity. Assign unique device address (slave ID 1-247).
• Standards compliance : Socomec meters comply IEC 62053-22 (electricity meters), MID Directive 2014/32/EU for certified measurements.

Optim-Elec provides technical assistance for commissioning. Refer to Socomec DIRIS installation manual for wiring diagrams. Contact optim-elec.com for configuration support.