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Functions
Operating modes
The power supply can be employed as follows:
●
To power the level converter
(1)
(2)
M-Bus MASTER
(6)
(6)
(6)
1
●
To power the M-bus web server WTV676.. (DC 24 V).
A
A
B
The level converter can be used in various ways.
Smart Infrastructure
(5)
(3)
(4)
(3)
(4)
(5)
(1)
(2)
D E
F
A
B
C
Power
230Vac
RS-485
RS-232
WTX631-GA0090
LEVEL CONVERTER
Run
TX M-Bus
RX M-Bus
1
Short Circuit
Overload
Power
Vin
Vout
LC
LC
V
V
V
V
A
B
A
B
(6)
(7)
(7)
(7)
(7)
(8)
(9)
(3)
(4)
Level converter/repeater
1
Web server WTV676..
Level converter/repeater
WTX631
(4)
(5)
WTX631-GA0090
POWER SUPPLY
2
V
out
24Vdc
V
V-
+
(5)
(6)
2
Power supply
B
(1)
(2)
(5)
(3)
D E
RS-485
M-Bus MASTER
(6)
(6)
(6)
(6)
(7)
(7)
(7)
(7)
1
Connection web server WTV676.. with power
supply WTX631
2
Connection level converter/repeater with
power supply
LC
VB
(8) (9)
(4)
(3)
(4)
(5)
(1)
(2)
F
A
B
C
Power
230Vac
RS-232
WTX631-GA0090
LEVEL CONVERTER
Run
TX M-Bus
RX M-Bus
Short Circuit
Overload
Power
Vin
Vout
LC
LC
V
V
V
V
A
B
A
B
(8)
(9)
(3)
(4)
2
A6V11742346_en--_a
LC
VB
(3) (4)
(4)
(5)
WTX631-GA0090
POWER SUPPLY
V
out
24Vdc
V
V-
+
(5)
(6)
3
2019-10-01
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