M-Bus (Optional) - Zenner zelsius C5-ISF Manuel De Montage Et D'installation

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Typical connection (*)
U = 3 ... 30 V
Imax = 20 mA*
white
yellow
green
brown
(*) The connection of the external resistor
could be necessary to ensure an inte-
grated current limiter.
Example:
Output 1 = energy output
Energy display = XXXXX.XXX
Last position = 0.001 MWh = 1 kWh
Output pulse = 1 KWh
connec-
colour
tion
I/O 1
white
yellow
I/O 2
I/O 3
green
brown
GND
Technical data I/O
Load max.
I/O 1, 2, 3
Cable
Pulse-duty
factor
Cable length
Input
frequency
V Out
Pulse
GND
signification
In-/Output 1
In-/Output 2
In-/Output 3
common ground
for I/O 1-3
max. 30V DC/
20 mA
Open Drain,
n-channel FET
D = 3,8 mm, 4-core
1:1 (out); 1:5 (in)
1,5m
max 1 Hz

M-Bus (optional)

The optional M-Bus interface com-
plies with the norm 1434-3 and ope-
rates with 2400 baud fixed. The two
conductors can be connected in any
order to the M-Bus network.
A firmly attached cable is included:
external wiring must be done by
oneself.
Technical data M-Bus
Cable length
Cable
connec-
colour
tion
brown
M-Bus 1
M-Bus 2
white
1,5m
D=3,8 mm, 2-core
signification
M-Bus-
Leitung 1
M-Bus-
Leitung 2
27

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