CIRCUTOR DISPENSER Series - Manual (Page 118)

6�- TECHNICAL FEATURES
AC Power supply
Rated voltage 230 / 120 V ~ Self-powered
Tolerance 80% ... 115 % Un
Frequency (Fn) 50 / 60 Hz
Consumption < 2 W / 10 VA
Voltage measurement circuit
Rated voltage (Un) 230 V ~
Voltage measurement margin ± 20% Un
Frequency measurement margin ± 2% Fn
Current measurement circuit
Nominal current (In) 10 A Direct
Maximum current 40 A
Start-up current < 20mA
Self-consumption of the current circuit < 0.2 VA @ 10A
Measurement accuracy
Active energy measurement Class 1 (IEC 62053-21)
Reactive energy measurement Class 2 (IEC 62053-23)
Calculation and Processing
Microprocessor ARM Cortex M3
Converter 16-bit
Memory
Data RAM type, stored by Lithium battery
Setup, events, load curve Non-volatile FLASH memory
Battery
Type Lithium
Service life > 15 years @ 35ºC under normal Dispenser operation
Clock
Source Self-compensated quartz crystal oscillator
Drift < 0.5 seconds/day at 25ºC
Auxiliary relay
Maximum voltage, open contacts 250V ~
Maximum current 3A ~
Maximum switching power 750 VA
Electrical working life (250 VAC / 5A) 1x10 5 operations
Mechanical working life 2 x10 7 operations
RS-485 Communications
Field bus RS-485
Communications protocol Modbus RTU
Baud rate 9600-19200-38400 bauds
Stop bits 1
Parity none
118
Dispenser Universal System
Instruction Manual