General Use; Automatic Checks - Chauvin Arnoux C.A 6456 Notice De Fonctionnement

3 BACKLIT LCD DISPLAY BACKLIT LCD DISPLAY BACKLIT LCD DISPLA Y UNIT Y UNIT
4 OPTICAL SERIAL COMMUNICATION INTERF COMMUNICATION INTERF COMMUNICA
5 SAFETY INPUT TERMINALS SAFETY INPUT TERMINALS SAFETY
in a live condition).
maximum voltage with respect to earth = 550V
6 MARKED SOCKET
The measurements are made directly (voltage, frequency, and current if a clamp is connected) or by pressing
the TEST key.
Volt Volt V age and/or frequency measurements are accessible in all "active" settings of the switch.
3.1

AUTOMATIC CHECKS

OMA OMATIC CHECKS
3.1.1 POSITION OF PHASE (MAINS SOCKET) CHECK
Upon connection, the instrument measures the voltages between conductors "L" and "N" (U
conductors "L" and "PE"(U ), between conductors "N" and "PE" '(U
LPE
a rod is connected to the terminal P - and conductor "PE".
The conductor that has the highest potential is taken to be the phase, designated by the letter "L" and
identified by one of the following displays :
The measuring cable supplied with the instrument bears a white mark making it possible to determine the
position of the phase on the mains socket.
The instrument also determines the frequency for any frequency ≥ 15.3Hz or DC
3.1.2 THE PROTECTIVE CONDUCTOR (PE) CHECK
In a loop measurement (ZLOOP) or an earth measurement in a live condition (REARTH), when the TEST
key is pressed, the instrument first measures the potential difference U key is pressed, the instrument first measures the potential difference U key is pressed, the instrument first measures the potential dif
potential, via the TEST key) and the "PE" terminal.
If U > U , where U is the limit contact voltage (U
C L L
indicates that it is impossible to make a measurement.
If a measurement is triggered, the instrument then monitors voltage U
the instrument stops the measurement and reports an error.
Pressing the TEST key again causes a return to voltage measurement mode.
In a loop measurement with 2 wires (ZLINE position), measurement of the potential between
the earth and the "PE" conductor is omitted
www.electronicaembajadores.com
TION INTERF TION INTERFACE ACE
, dia. 4mm, marked L, N, PE and P (terminal used for earth measurements
FOR THE CONNECTION OF A CURRENT CLAMP A A CURRENT CLAMP

3. GENERAL USE

Or Or
= 25 or 50 V : see § 3.2 : SET = 25 or 50 V : see § 3.2 : SET-UP), the instrument = 25 or 50 V : see § 3.2 : SET-UP), the instrument
L
48
), between
LN
), and between the voltage probe - if
NPE
between the local earth (user's
C
: if it increases by more than 20V,
NPE