ISOMAG MV311 Manuel utilisateur
311_QUICK_EN_IT_IS_R1_1.04.0X
OPERATING MANUAL
MV311
NOTICE: The complete user manual is available at the following address:
XXXXXXXXXXXXXXXXXX
Release number: 311_QUICK_EN_IT_IS_R1_1.04.0X -
The characters of le name in bolt type indicate the software version which the manual refers to; it is
visualized at the instrument start up, or by specic function on DIAGNOSTIC menu.
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Converter classication: class I, IP65 for housing in self-extinguishing pc / abs,
overvoltage category II, degree 2 of nominal pollution.
INPUTS / OUTPUTS INSULATION
Inputs * and outputs are isolated from each other up to 500V
The 4-20mA outputs, the digital outputs and the RS485 bus share the same 24V
references (they are not isolated from each other). Note *: 3V power supply for
using the battery inputs is not isolated.
The instrument is suitable for indoor and outdoor climatic conditions
Altitude: from -200m to 5000m
Humidity range: 0-98%, 0-85% without condensation (IP65)
ENVIRONMENTAL CONDITIONS OF USE
Power supply
versions
Power supply
voltage
Power supply
frequency
Min
Power
Max
power
HV 100-240V~ 45-66HZ
1.6w
(Solo
Misuratore)
6w
(Con tutti i
carichi)
LV
24-36V //
24-36V~ 45-66HZ
LLV (+POE) 12-48V //
The variations in the mains voltage must not exceed ± 10% of the nominal voltage.
Inputs and outputs are isolated from each other up to 500 V *.
** The 4-20mA output (optional) is electrically connected to the outputs ON / OFF and to
the supply voltage (24V ) of the outputs.
Version LV / LLV: inrush current <20A
Version HV : inrush current < 25A
* Isolation on the digital inputs is excluded using the battery power supply
** The 4-20mA outputs (optional) are electrically connected with the ON / OFF outputs, with
the supply voltage (24V) of the outputs and with the power supply of the RS485 network
(where present).
TECHNICAL CHARACTERISTICS
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ACCESS TO THE TERMINALS
To access the terminal blocks, remove the terminal covers.
Only qualied personnel can remove the terminal covers
TORQUES Nm
Cover screws 0.8
Cable glands 1.5
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FRONT VIEW
All cables used for the connections must be of a shielded type; the screen
must be connected to the ground.
The length of the cables must be between 3m and 30m.
The ow measurement can be done in 2 ways:
analog: through a 4-20mA signal.
factorized volume pulses (frequency).
The temperature is measured by means of a pair of PT thermoresistances (RTD), preferably
with 4 wires (MANDATORY version for MID instruments); the selectable values are:
PT100, PT500 and PT1000.
RS485/Mbus
Usb mini B MCP
Terminal
supply
Output terminal block
Input terminal block
Probe terminal board
Front LED
device status
Led board
Ethernet connection
Led Ethernet
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INPUT TERMINAL BLOCK
OUTPUT TERMINAL BLOCK
PULSE
OUTPUT
INPUTS
IN 1: (FV) Vector Fluid
IN 2: (SHW) Sanitary Hot Water
IN 3: (SCW) Sanitary Cold Water
IN 4: Reset o 4° Fluid
POWER SUPPLY
Terminal n° 5 is used only to allow
the right RTD's
wiring (connected in series)
SHIELD
T1+
(EX)
T1-
(EX)
T2+
(EX)
T2-
(EX)
To connect 2 wire probe:
T1: connect the probe to terminal block 2 and 3, bridge on 1-2 and 3-5
T2: connect the probe to terminal block 6 and 7, bridge on 5-6 and 7-8
T1 PROBE
(4 wires)
T2 PROBE
(4 wires)
RTD TERMINAL BLOCK
IN POWER S.
(3V)
4-20 (FV)
17 18 19 20 21 22
COM
IN _
IN1
4-20
T1+
(M)
T1-
(M)
T2+
(M)
T2-
(M)
OUT22 1COM OUT1 IN2IN3IN4 +
COM
+
0V
+24V
RS485/MBUS
B A 0V
(RT+)(RT-)
26 27 28 16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
30 31
9 9
WIRED COM.
29
WARNING: secure the cables with an additional fastening system placed near the
clamp.
ELECTRICAL CONNECTION
Cable gland PG7: Allowed diameter cables 3-6.5 mm.
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N100-240~±10%
24-36V~±10%
L
N
L
12-48V ±10%
_
+
N
(-)(+)
L
12-48V ±10%
_
+
HV
LV
LLV
LLV + PoE
The options above are also available with a rechargeable backup battery.
ELECTRICAL CONNECTIONS POWER
Before connecting the power supply, check that the power supply voltage is within the
limits indicated on the nameplate.
For the connection use only approved cables with reproof properties.
The power supply line must be equipped with an external protection against over currents
(fuse or magneto thermal).
In close proximity to the instrument, install an easily accessible and clearly identied switch
to cut o the power supply.
If the PoE energy version, to guarantee the isolation required by IEEE for ethernet, the external
power supply must be protected at least 1500Vac with respect to a ground and any other
connection.
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INPUTS ELECTRICAL DIAGRAMS
INPUT 4-20mA
Minimum voltage:8.5V
Maximum continuous voltage: 30V
Maximum input current 27mA
CONNECTIONS WITH POLARITY ‘TYPE “P” (POSITIVE)
Opto
Insulated
MAIN
BOARD 10(+)
I max
27mA
11(-)
10KΩ
3-30Vdc (ON)
0-1.5Vdc (OFF)
13 (IN 1)
14 (IN 2)
15 (IN 3)
16 (IN 4)
12(COM IN)
10KΩ
12
22
17
+24
-0
10KΩ
12
30
+3V
13 (IN 1)
14 (IN 2)
15 (IN 3)
16 (IN 4)
31
-0
P
N
13 (IN 1)
14 (IN 2)
15 (IN 3)
16 (IN 4)
ISOLATEd dIgITAL INPUT WITH ExTERNAL POWER SUPPLY
ISOLATEd dIgITAL INPUT WITH + 24V INTERNAL POWER SUPPLY
NON-ISOLATEd dIgITAL INPUT WITH INTERNAL bATTERY POWER SUPPLY
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10KΩ 13 (IN 1)
14 (IN 2)
15 (IN 3)
16 (IN 4)
12(COM IN)
12
22
17
+24
-0V
10KΩ
12
30
+3V
13 (IN 1)
14 (IN 2)
15 (IN 3)
16 (IN 4)
31
-0
N
P
13 (IN 1)
14 (IN 2)
15 (IN 3)
16 (IN 4)
10KΩ
3-30Vdc (ON)
0-1.5Vdc (OFF)
ISOLATEd dIgITAL INPUT WITH ExTERNAL POWER SUPPLY
dIgITAL INPUT WITH + 24V INTERNAL POWER SUPPLY
NON-ISOLATEd dIgITAL INPUT WITH INTERNAL bATTERY POWER SUPPLY
CONNECTIONS WITH POLARITY ‘TYPE “N” (NEgATIVE)
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ON
OFF
Restict = OFF: It enables to change functions for the selected level and ALL the functions with
lower access level. Exemple: If the operator has the code of level 3, after having set it, he will
can change all the functions at level 3 and those at lower level.
Restrict = ON: Access permitted only to functions provided for a specic level; Exemple:
If the operator has a code of access level 3, after having set it, he will can change only the
functions provided for a access level 3.
WARNING: take careful note of the customized code, since there is no way for the
user to retrieve or reset it if lost. Factory preset access codes:
L1: 10000000
L2: 20000000
L3: 30000000
L4: 40000000
code 00000000 allows access to level 0 functions only
The CODE is Settable by keyboard or MCP interface.
Depending on the level of access will be visualize
display functions. These access levels interact with
the “Restricted access”
RESTRICTEd ACCESS SET MENU SYSTEM 12
Settable Values
CONVERTER ACCESS CODE
The access for programming the instrument is regulated by six access levels logically grouped.
Every level is protected by a dierent access code.
Access Level 1-2-3-4 are freely programmable by user
ACCESS COdE SET : MENU 12 - SYSTEM
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