Siemens WTV531-GA5060 User Manual
A6V10844290_en
Smart Infrastructure
2019-10-21
Meters and Energy Cost Allocation
M
WTV531
The level converter WTV531-GA5060 is an interface between M-bus meters and
reader systems. PC software ACT531 reads the data locally or via the Int
using an optional web server.
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-bus Level converter 60
-GA5060
ernet
Connect up to 60 M-bus devices (max. 60 simply M-bus loads)
Use up to six level converters on one M-bus network with a max. of 360 simple
M-bus loads
Local data read out with the ACT531 PC software via USB or the
RS-232 interface
Remote read out via M-bus web server
Local data read out via a PXC device via the RS-232 interface
Reads a max. 1,000 logical devices on a level converter network
Supply voltage AC/DC 24 V
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Use
We recommend using a DC 24 V power supply to ensure a stable signal.
The level converter is the communications interface to read up to
60 M-bus devices (simple M-bus loads).
The data is read out:
● Locally with the ACT531 PC software via USB
● Locally with the ACT531 PC software via the RS-232 interface
● Via the M-bus web server WTV534.., WTV676..
● Via Desigo CC
Up to six level converters can be connected in parallel to a M-bus web server WTV676..
(Master) on a M-bus network.
Up to 60 M-bus devices can be connected to each level converter WTV531... The level
converter can be used:
● As individual components on a M-bus network.
● To extend a M-bus network by up to six level converters connected in parallel.
You can also use the level converter at your own risk as an interface to suitable software and
devices by third-party manufacturers.
The level converter is protected against short circuits.
NOTICE
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Functions
Operating modes
(6) (6) (6) (6) (7) (7) (7) (7) (8) (9)
M-Bus MASTER
Vin
LC
(3) ( 4)
A B C
VAV
B
(5)(1) (2)
USB Activity
TXD
RXD
M-Bus Error
M-Bus Ready
Power
M-Bus
SLAVE
WEV531-GA5060
A
B
The data can be read in different ways.
Local data read out with the ACT531 software via the USB connection
The level converter is used as the communication interface between M-bus devices and a
laptop using the ACT531 software. The ACT531 software can read a max. of 1,000 logical
devices.
The level converter is operated as the master. The data is read locally via the USB
connection.
A Level converter as master
B Laptop with ACT531 software
Local data read out using the ACT531 PC software via the RS-232 interface
The level converter can also be connected to a laptop via a RS-232 interface.
A Level converter as master
B Laptop with ACT531 software
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A
Level converter as master
B Level converter as slave
The level converter is connected as a slave (B) to the web server (A) (terminals M1M2 of
Remote read out via M-bus web server
The level converter is used as the communication interface between M-bus devices and a
M-bus web server.
The master level converter WTV531(A) is connected to a M-bus web server WTV676.. via
the RS-232 interface (terminals A, B, C).
The following slave level converters (B) can be connected via the M-bus slave connection.
The data can be read via the web server from anywhere on the Internet.
A maximum of 250 devices can be read via M-bus web server WTV676...
NOTICE
the web server) if the firmware version of the web server WTV676.. is less than
SIE.WTV676_WI-2.29_FW-3.0-17-2.6.
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TXI2.OPEN
Desigo CC
(6) (6) (6) (6) (7) (7) (7) (7) (8) (9)
M-Bus MASTER
Vin
LC
(3) (4)
A B
C
VAV
B
(5)
(1) (2)
USB Activity
TXD
RXD
M-Bus Error
M-Bus Ready
Power
M-Bus
SLAVE
WEV531-GA5060
Local data read out with Desigo CC via the RS-232 interface
The TX Open module integrates M-bus devices via a RS-232 interface to the Desigo CC
building management platform.
Additional information on the Desigo CC management platform is available in the
engineering guide 'Desigo TM TX Open, TX M-bus', document CM110572. See Section
"Product documentation [➙ 12]".
The level converter can be used in various ways.
Up to 60 M-bus devices can be connected to each level converter WTV531...
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