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3.6.3 Modules
Each Module has different denominations for each individual family. Consult the User Manual of
the relay for further explanations and details.
3.6.3.1 Signalling Module
The Signalling module provides one or more programmable contacts (Relays).
The activation event/signal is displayed in the menu of each contact. Press ENTER to access the
editing mode (the cursor starts flashing). Use the and keys to change the setting of the
activation signal.
Press ENTER to display the current setting for “Custom” selections. Events with an arrow (
)
alongside indicate which elements are selected.
Use the and keys to display the previous/next screen page and activate/deactivate the
selected elements with the and keys (the arrow alongside the element is either displayed or
removed).
There are 18 blocks, each of which is formed by eight elements displayed in three consecutive
screen pages. Up to 8 elements can be activated per block.
The AND/OR logic applied to the selected elements and the minimum relay activation time can
be defined in the last screen page of each block.
3.6.4 Local Bus unit
The Local Bus unit is similar to the Signalling module (it provides several open/close contacts: 7
at most) but also allows the presence of the actual unit to be selected/deselected:
Select “Present” to select the presence/absence of a unit on the local bus: if no unit is physically
connected, the relay will signal the correlated alarm. The Local Bus unit is available for all the
relays, with the exception of PR232/P.
PR121/P
PR122/P
PR123/P
PR331/P
PR332/P
PR333/P
PR232/P
PR122DC
PR123DC
MODULES
Measuring
(1)
XX XX X
Communication
( 1)
XX XX XX
Signalling
(1) (2)
XX XX XX
NOTES
1
The menus of the individual modeuls can only be accessed if they are physically present and
connected to the relay
2
The module is understood as being the sole S51/P1 contact for relays of the PR33x series
RH0029002.book Page 22 Thursday, May 5, 2011 12:14 PM