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Missing Phases
In case one or more phases is not detected, the
corresponding icon disappears from the bottom row of the
display.E.g. L2 is not detected.
Error Condition
When the display show these messages, the meters has
got a malfunction and must be replaced.
It should not be necessary to recalibrate device during its lifetime as it is an electronic meter with no moving parts with electronics and voltage and current sensors that do not naturally degrade or
change with time under specified environmental conditions. If a degradation in the performance is observed the device has probably been partly damaged and should be sent for repair or
exchanged. If the meter is dirty and needs to be cleaned, use lightly moistened tissue with a water based mild detergent. Make sure no liquid goes into the meter as this could damage the meter.
S0
Schield
Modbus
M-Bus
k1
l 1
k2
k l
k l
K L
K L
L1
L2
L3
N
230/400 VAC
(N) Neutral wire must be connected to the meter
S0
1-2:
Pulse output of active energy imported,
isolated by a OptoMOS Relay.
3-4:
Pulse output of reactive energy imported,
isolated by a OptoMOS Relay
6-7:
Tariff signal, isolated by a Opto Coupler.
When there is a voltage of 230 VAC connected the
device store energies on the Tariff 2 registers,
otherwise on the Tariff 1 registers.
L1:
Voltage connection of phase 1.
L2:
Voltage connection of phase 2.
L3:
Voltage connection of phase 3
N:
Neutral connection.
K1-l1: Connection of the CT of phase 1
K2-l2: Connection of the CT of phase 2
K3-l3: Connection of the CT of phase 3
230 VAC
5-230 V AC
5-300 V DC
1
2
3
4
5
7
6
~
Tariff
kWh
kvarh
230 VAC
D+
RT
D-
1
2
3
4
5
7
6
~
Tariff
Modbus
in
out
230 VAC
M2
M2
M1
M1
1
2
3
4
5
7
6
~
Tariff
M-Bus
l2
k3
I3
L1
L 2
L3
N
k l
K L
L1
L2
L3
Modbus
1:
Modbus network. Shield
2:
Modbus network. Data +
3:
Modbus network. Data -
4:
Modbus network. For the termination of the
network short this terminal with terminal 3.
6-7:
Tariff signal, isolated by a Opto Coupler.
When there is a voltage of 230 VAC connected the
device store energies on the Tariff 2 registers,
otherwise on the Tariff 1 registers.
L1:
Voltage connection of phase 1.
L2:
Voltage connection of phase 2.
L3:
Voltage connection of phase 3
N:
Neutral connection.
K1-l1: Connection of the CT of phase 1
K2-l2: Connection of the CT of phase 2
K3-l3: Connection of the CT of phase 3
Diagnostic Message
Phase Sequence Error
When the 3 phases are not in the correct zero-crossing
sequence this message appears and the icon L1 and L2
blink. To make this message to disappears, without change
the wiring (Warning, in this way the measure may be wrong)
you can keep pushed the "Menu key" for at least 4 sec.
Service and Maintenance
Wiring diagram
5-230 V AC
5-300 V DC
1
2
3
4
kWh
kvarh
D+
RT
Schield
D-
1
2
3
4
Modbus
in
out
M2
M2
M1
M1
1
2
3
4
M-Bus
k1
l 1
k2
l2
k3
I3
L1
L 2
k l
k l
k l
K L
K L
K L
N
230/400 VAC
Instructions for the connection of transformer counters
A fuse of 1 A is recommended for the line protection. Current transformers must not be operated
with open terminals since dangerous high voltages might occur which may result in personal injuries
and property damage. In addition to this, the transformers are exposed to thermal overload.
Terminal Description
- 5 / 12 -
"ECS3-1B - BASIC"
230 VAC
5
6
7
~
Tariff
230 VAC
5
7
6
~
Tariff
230 VAC
5
7
6
~
Tariff
l 1
L3
N
k1
k l
K L
L1
L2
L3
N
230/400 VAC
M-Bus
1-3:
M-Bus network. These terminals are internally
connected.
2-4:
M-Bus network. These terminals are internally
connected.
6-7:
Tariff signal, isolated by a Opto Coupler.
When there is a voltage of 230 VAC connected the
device store energies on the Tariff 2 registers,
otherwise on the Tariff 1 registers.
L1:
Voltage connection of phase 1.
L2:
Voltage connection of phase 2.
L3:
Voltage connection of phase 3
N:
Neutral connection.
K1-l1: Connection of the CT of phase 1
K2-l2: Connection of the CT of phase 2
K3-l3: Connection of the CT of phase 3
230 VAC
5-230 V AC
5-300 V DC
1
2
3
4
5
6
7
~
Tariff
kWh
kvarh
230 VAC
D+
RT
Schield
D-
1
2
3
4
5
7
6
~
Tariff
Modbus
in
out
230 VAC
M2
M2
M1
M1
1
2
3
4
5
7
6
~
Tariff
M-Bus
l2
k3
I3
L 2
N
k2
L1
L3
k l
K L
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