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8. Connection of the energy meter (continuation)
Connection and configuration of the REACT-MTR-3PH (three-phase):
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The energy meter
is a DIN rail device (4 modules) and must be installed where the electricity supply is three-phase.
• Disconnect the AC disconnect switch upstream of the meter.
• Strip the insulation of the cable for the length which is indicated on the meter (13mm).
• Connect the cables of the three-phase line in accordance with the layout printed on the meter (L1, L2, L3 and N) to the three-phase connection
terminal block
and tighten the screws (tightening torque 2.0 Nm).
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Take note of the phase to which the REACT2 system is connected; this information will be requested when the system is commis-
sioned.
• Connect the cables of the serial line A (37), B (36) and C (37) on the terminal block
spondence between the signals of the serial line and tighten the screws (torque 0.25 Nm) and tighten the screws (tightening torque 0.25 Nm):
Serial line terminal block of the meter ABB B23, B24
A (37)
B (36)
C (35)
• Subsequently the other side of the cable must be connected to the REACT2-UNO METER connector
• Install the device on the DIN rail and ensure to trigger the fixing system on it
• Once the phase of mechanical installation of the METER is finished, it is necessary to configure the METER in order to make it compatible with
the REACT2 system. Set the parameters of the meter as set out in the table:
Parameter
Address
Protocol
Baudrate
Parity
The settings are made by using the keypad and the display on the meter:
1. Press for two seconds
2. Press repeatedly
until the display shows "Set".
- Press
to confirm.
3. Press repeatedly
until the display shows "RS-485".
- Press
to confirm.
4. Press repeatedly
until the display shows "Protocol".
- Press
to access.
- Press
to enable the change in the value.
- Press repeatedly
until the display shows "Modbus".
- Press
to confirm the change.
- Press for two seconds
5. Press repeatedly
until the display shows "Baud rate".
- Press
to access.
- Press
to enable the change in the value.
- Press repeatedly
and select 19200.
- Press
to confirm the change.
- Press for two seconds
6. Press repeatedly
until the display shows "Address".
- Press
to access.
- Press
to enable the change in the value.
- Press repeatedly
and select 1.
- Press
to confirm the change.
- Press for two seconds
7. Press repeatedly
until the display shows "Modbus".
- Press
to access.
- Press
to enable the change in the value.
- Press repeatedly
and select even.
- Press
to confirm the change.
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to access the setup menu of the meter.
to return to the RS485 menu.
to return to the RS485 menu.
to return to the RS485 menu.
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set on the rear of the meter
Screw terminal on the counterpart connector
1 (-T/R)
3 (+T/R)
4 (RTN)
Settings
1
MODBUS
19200
EVEN
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respecting the corre-
14
EN
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