ABB REACT 2 Series - Connection of the REACT-MTR-1 PH (Single-Phase)

- 70 -
000898AG
5 - Installation
C onnection of the REACT-MTR-1PH (single-phase)
7KHLQGLFDWLRQVVHWRXWEHORZDUHQHFHVVDU\WRFRQQHFWWKH5($&70753+WRWKH5($&7
V\VWHP$OZD\VUHIHUWRWKHVSHFL¿FGRFXPHQWDWLRQVXSSOLHGZLWKWKH5($&70753+
The energy meter REACT-MTR-1PH
51
is a DIN rail device (3 modules)
and must be installed where the electricity supply is single-phase.
To avoid risks of electrical shock, all wiring operations must be carried out with the AC discon-
QHFWVZLWFKRUWKHVXSSO\PHWHUXSVWUHDPRIWKH5($&70753+GLVFRQQHFWHG
(QVXUHWKDWWKH$&OLQHKDVEHHQFRUUHFWO\GLVFRQQHFWHGXSVWUHDPIURPWKH
REACT-MTR-1PH. Check that there is no voltage by using a multimeter.
6WULS PPRI VKHDWKLQJ IURP WKH FRQQHFWLRQFDEOHV RI WKH$& SRZHU
VXSSO\DQGFRQQHFWWKHSKDVH/DQGQHXWUDO1RQWKHVSHFL¿FWHUPLQDO
block
53
set on the upper side of the meter; each individual terminal of the
terminal block takes a cable with a maximum section from 0.5 to 4mm²
(tightening torque of 0.5Nm).
&RQQHFWWKHFDEOHVRIWKHVHULDOOLQH77DQG571RQWKHWHUPLQDO
block
54
(on the lower part of the REACT-MTR-1PH) respecting the
correspondence between the signals of the serial line.
Serial line terminal block
of the REACT-MTR-1PH
54
Screw terminal on the
counterpart connector
-T 1 (-T/R)
+T 3 (+T/R)
RTN 4 (RTN)
RS485 METER
REACT-MTR-1PH
S
U
T
A
T
S
E
R
U
S
A
EM
INPUT
:
110/230 V
50/60 Hz
10 mA max
Each individual terminal of the terminal block takes a cable with
a section from 0.14 to 1.5mm² (tightening torque of 0.5Nm).
6XEVHTXHQWO\ WKH RWKHU VLGH RI WKH FDEOH PXVW EH FRQQHFWHG WR WKH
REACT2-UNO METER connector
14
,QVWDOOWKHGHYLFHRQWKH',1UDLODQGHQVXUHWRWULJJHUWKH¿[LQJV\VWHPRQLW