Expansion modules
57
7.2
S1-S03
(3 pulse inputs)
The modules are suitable for counting pulses as defined in
standard IEC 62053-31. The inputs are designed for passive S0
devices (Reed contacts).
Each channel uses a DWORD (32 bit) count register. Various
counting modes and scales are supported, which are config-
ured via the peripheral database.
Synchronisation
mechanism
The pulses counted at the inputs are first loaded into a tempo-
rary memory. The data from the temporary memory is then
saved either cyclically via an internal configurable timer or a
synchronous pulse at one of the pulse inputs into an internal
read-only variable, which can then be used as a source for data
logging or EventHandler.
For example, the measuring pulse of the power supply can be
used as an external synchronous pulse.
Key figures at a glance
– 3x pulse inputs according to IEC 62053-31 for passive S0
devices (for connecting Reed contacts)
– S1-S03: 3x S0 inputs, contact current configurable
a)approx. 5 mA, < 5 V at 230 V; maximum cable length:
30 m
b)approx. 18 µA, < 5 V battery supply; maximum cable
length: 5 m
– Pulse width >= 30 ms (± 2 ms) each
– Default address for automatic detection:
0x3C
Содержание 50.0070.0001.00
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