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4. Wall mounting of PDC
Install wall bracket with the en-
closed wall plugs and screws
as shown below on a flat wall
surface. Slide PDC over the
wall bracket to the PDC clicks.
Dismounting of the PDC from
the wall bracket: Use screw-
driver or similar tool to push
the upper strap of the wall
bracket backwards and then
pull the PDC downwards.
Data content (wM-Bus, M-Bus):
The PDC module can be delivered with various
data telegram.
Telegram content
Current value
Current date
Due Date value
Previous month value
Further 11 monthly values
Status information 1
Status information 2
* Data telegram according OMS Spec., typical transmission interval type A:
40 sec.; Type B: 40 sec.
** wM bus, manufacturer specific telegram; typical transmission interval 20 sec.
12
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Type
Type
Type
A*
B*
C**
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
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5. Radio modules
The PDC wireless M-Bus radio modules are avail-
able in T (standard), optionally and on request in S-
or C-mode.
Various data telegrams are available. The module
operate unidirectional and usually send every 20-40
seconds. Special versions are available on request
and in certain quantities.
Specifications PDC - radio:
Transmission mode
Encryption
Contents of the
package value
Transmission interval
Transmission power
Transmission mode: wire-
less M-Bus unidirectional;
T1 (default); optionally:
S1, C1
AES-128 OMS (device
specific); optionally
customer specific
date, due date, monthly
value, historical monthly
values,
Status information
typically 20-40s
25 mW
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