CIRCUTOR ReadWatt Series - Manual (Page 18)

5�- TECHNICAL FEATURES
Power supply
Rated voltage
5 V ... 24 V
Tolerance ± 5%
Consumption < 0.5 W
Memory
Setup, logs EEPROM and FRAM type non-volatile memory
User interface
LED 1 LED
Impulse output
Quantity 1
Type Open collector
Maximum voltage 24 VDC
Maximum current 50 mA
Maximum frequency 100 impulses / sec.
Pulse width 2 ms to 250 ms (Programmable)
RS-232 and RS-485 communications
Communications protocol Modbus
Speed 9600 -19200-38400
No� of bits 8
Stop bits 1
Parity without
Insulation
Alternating voltage 4kV RMS 50Hz during 1 minute
Overimpulse
1�2/50ms 0Ω source impedance 6 kV at 60º and 240º, with positive and negative polarization
Environmental features
Operating temperature -15ºC ... +55ºC
Storage temperature -25ºC ... +65ºC
Relative humidity (non-condensing) 5 ... 95%
Maximum altitude 2000 m
Mechanical features
Dimensions Figure 10
Enclosure Polyamide V0
Weight 14 gr.
Protection degree IP 41
Standards
Immunity for industrial environments UNE EN-61000-6-2
Emission standard for industrial environments UNE EN-61000-6-4
18
ReadWatt
Instruction Manual