27
U = 3 … 30 V
Imax = 20 mA*
GND
Pulse
V Out
Typical connection
(*)
(*) 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
colour
connec-
tion
signification
white
I/O 1
In-/Output 1
yellow
I/O 2
In-/Output 2
green
I/O 3
In-/Output 3
brown
GND
common ground
for I/O 1-3
Technical data I/O
Load max.
max. 30V DC/
20 mA
I/O 1, 2, 3
Open Drain,
n-channel FET
Cable
D = 3,8 mm, 4-core
Pulse-duty
factor
1:1 (out); 1:5 (in)
Cable length
1,5m
Input
frequency
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
1.5m
Cable
D=3.8 mm, 2-core
colour
connec-
tion
signification
brown
M-Bus 1
M-Bus-
Leitung 1
white
M-Bus 2
M-Bus-
Leitung 2
white
yellow
green
brown
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Summary of Contents for zelsius C5-IUF
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