Manual VIPA System 200V
Chapter 6 CP 240 - M-Bus
HB97E - CP - Rev. 11/30
6-5
Structure
•
The communication processor has the order number VIPA 240-1FA20
•
Voltage supply via back plane bus
•
Up to 6 slaves may be connected
•
Standardized bus system acc. DIN EN 1434-3
PW
ER
TxD
RxD
CP 240M-Bus
X 2
3 4
VIPA 240-1FA20
M-Bus
M+
M-
1
2
The labels M+ and M- serve the distinction of the M-Bus wires. The
polarization is irrelevant for M-Bus installations.
Since the CP gets its voltage supply via the back plane bus and thus
supplies the connected M-Bus modules, up to 6 slaves may be connected.
The slaves must be connected in parallel.
...
M+
M-
The communication processor is provided with 4 LEDs to monitor the
operating status. The meaning and the according colors are shown in the
following table.
Name. Color
Description
PW
Green Signalizes a present operating voltage
ER
Red
Signalizes an error e.g. by buffer overflow, wrong baud
rate or missing stop bit.
TxD Green
Transmit
data
RxD Green
Receive
data
Properties
Front view
240-1FA20
M-Bus interface
LEDs
[1]
LED Status monitor
[2] M-Bus
interface
M-Bus
M+
M-
Содержание CP 240 RS232
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