Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
- Input / Output Specifications
Phase and Wiring Type: Single-phase 2-wire, single-phase 3-wire, three-phase 3-wire and three-phase 4-wire
Input Frequency: 45 to 65 Hz
Rated Input Voltage: 220V AC (200V AC [100V + 100V] for single-phase 3-wire), 440V AC (127V AC, 277V AC for three-phase 4-wire)
Input Voltage Range: 0 to 264V AC for 220V AC input; 0 to 520V AC for 440V AC input
Allowable Input Voltage: 1.2 times rated voltage (continuous) or 1.5 times (for 10 seconds)
Rated Input Current: 5A AC
Allowable Input Current: 1.2 times rated current (continuous) or 2 times (for 10 seconds)
Approximate Consumed VA: Voltage input 0.4VA/phase, current input 0.01VA/phase
Maximum output frequency: 3Hz
- Standard Performance:
Accuracy Rating:
Active power: ±2.0% FS (equivalent to JIS C1111 grade 1.0)
rms voltage for each phase: ±2.0% FS (equivalent to JIS C1111 grade 1.0)
rms current for each phase: ±2.0% FS (equivalent to JIS C1111 grade 1.0)
Apparent energy: ±2% of rdg (with rated input)
Active energy: ±2% of rdg (with rated input) (integration not performed on minus “-” side)
Reactive energy: ±2% of rdg (with rated input) (for UPM100 with optional measuring function)
Regenerative energy: ±2% of rdg (with rated input)
Optional electric energy: ±2% of rdg (with rated input)
Frequency: ±1Hz
Computing Accuracy: Reactive power, instantaneous power factor, apparent power 45 to 65Hz: ±1dgt (value calculated from measured value)
Integral Low-cut Power: 0.05 to 20.00% of rated power
Operating Temperature and Humidity Ranges: 0 to 50°C / 5 to 90% RH (no condensation allowed)
Effect of Power Factor: At 45 ≤ f ≤ 65Hz
Active power: ±2.0% rdg with respect to power factor 1; cosφ = ±0.5
Reactive power: ±2.0% rdg with respect to reactive factor 1; sinφ = ±0.5
Effect of Supply Voltage Fluctuation: ±0.1% FS (instantaneous value) /85 to 264V AC
Effect of Input Frequency: ±0.1% FS (instantaneous value) /45 to 65Hz
Effect of Ambient Temperature: ±2% FS (instantaneous value) /10°C
Power Supply: 85 to 264V AC
Consumed Power: Maximum 5VA (without display function), Maximum 7VA (with display function)
- Communication Specifications (RS-485 Communication)
Communication Specifications: RS-485 interface
Communication Protocols: PC link (with SUM, without SUM), MODBUS (ASCII, RTU), UPM01 protocol (effective only when “Integral resolution Wh” is specified)
Transmission Distance: Approx. 1.2 km max. (Using twisted-pair cable with 24 AWG shield)
Maximum Number of Connected Units: 31 (units that can be connected to PC or other device in multi-drop connection)
Connection Type: Conforming to RS-485
Cable: A-, B+, SG: Balanced twisted-pair cable
Terminating resistor: 120 Ω (sold separately; L3035RK)
Transmission Type: Half-duplex communication
Synchronization Type: Start-stop synchronization
Baud Rate: 2400, 9600 or 19200 bps
Data Format:
Start bit: 1 bit
Data length: 7 or 8 bits
Parity: None, even or odd
Stop bit: 1 or 2 bits
Error Detection: Checksum (1 byte, simple addition), CRC-16, LRC (no protocolbased flow control)
End Character Specification: Yes (CR)
Address (Station Number) Setting: Set in range from 1 to 99 (1 to 31 recommended)
