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10 •
750-643 [MP-Bus Master Module]
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2 I/O Modules
2.1 Special Modules
2.1.1 750-643 [MP-Bus Master Module]
MP-Bus master module
Attention
The MP-Bus-Master Module is only for the use with the programmable
fieldbus controllers 750-8xx (except of the MODBUS programmable
fieldbus controllers 750-812/-814/-815/-816). So not use it with the fieldbus
couplers 750-3xx!
2.1.1.1 View
Handheld
MP-Bus
DC 24 V
(MP-Bus
(MP-Bus
Handheld
Fig. 2.1.1-1: View
2.1.1.2 Description
The MP-Bus master module 750-643 is used for the digital control of
actuators for dampers and control valves, as well as VAV volume flow
controllers and FLS window ventilation systems via the MP-Bus.
The MP-Bus (Multi Point Bus from the Swiss company Belimo) is a master-
slave bus, which is mainly used for ventilation systems in the heating and
ventilation area.
The I/O module 750-643 module acts as a MP-Bus Master that is integrated
into a fieldbus communications controller for local control. The fieldbus
network controller communicates from a network, such as Ethernet or
LonWords to bridge data to the MP-Bus Master module.
Enable
13 14
A
active
C
B
TxD
D
Bus Bus
24V 24V
supply)
M M
0 V
supply)
En En
Enable
750-643
24 V MP-Bus-
Supply Voltage
active
RxD
Data contacts
MP-Bus
DC 24 V
(MP-Bus
supply)
0 V
(MP-Bus
supply)
Enable
Handheld
Power jumper contacts
g064300e
WAGO-I/O-SYSTEM 750
I/O Modules
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