CIRCUTOR CVM-MINI Series - Manual (Page 5)

Page 5 of 26
2 INSTALLATION AND START-UP
This manual contains information and warnings about the analyzer which must be
followed to guarantee the proper operation of all instrument functions and to maintain it
in a safe condition. The analyzer must not be switched on until it is finally connected to
the electrical board.
If the equipment is handled in a way not specified by the manufacturer, the
equipment's protection may be compromised.
When it is likely that the equipment has lost its protection (i.e. with visible damage), it
must be disconnected from the auxiliary supply. In this event, contact a qualified
technical service representative.
2.1 Installation
The following features must be taken into consideration before supplying power to the
equipment:
2.1.1 Power supply voltage
Standard model power supply: Single-phase 230 V AC.
Plus model power supply: 85…265 V AC. / 95…300 V DC.
Frequency: 50 Hz … 60 Hz
Power supply tolerance: -15 % / +10%
Connection terminals: 14 - 15
Equipment consumption: 3 VA
2.1.2 Maximum voltage in the voltage measurement circuit
Voltage: 300 V
∼ AC. phase-neutral
520 V
∼ AC. phase-phase
Frequency: 50 Hz … 60 Hz
2.1.3 Maximum permanent current in the current circuit
In scale I
N
/1A: 1.2 amperes
In scale I
N
/5A: 6.0 amperes
2.1.4 Transistor output features
Type NPN transistor: Opto-insulated / Open Collector
Maximum operating voltage: 24 V DC.
Maximum operating current: 50 mA
Maximum frequency: 5 impulses / second
Impulse length: 100 ms
2.1.5 Temperature probe features
The CVM-MINI has a built in temperature sensor. The sensor has a ± 2ºC
accuracy and a temperature measurement range of -10ºC +50ºC.
The interior temperature of the CVM-MINI has been estimated at 14.0 ºC above
the interior of the cabinet where it has been installed, if the cabinet has no
ventilation. If the cabinet has forced ventilation then the temperature of the CVM
is 3.5 ºC higher.