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The alarm lines are switched to the slave MPC with the U-APL module (16 changeover con-
tacts) of the master MPC.
MPC2 cannot be installed at slot 6 of the SIGMASYS M control and indicating panel. The
standard cables supplied are too short. Slot 6 can be used in the M module in SIGMASYS M.
The following should be noted with Dual FDC FDnet connection
(Version 3.3 or above
Only pure loops without T-tapping may be connected with a maximum of 63 elements.
Both modules must be available in release S24230-A103-A5 at least for dual MPC
operation.
9.1.1
Gas extinguishing systems
Control extinguishing command:
Smoke and flame detectors are to be connected in two-detector or two-zone dependency.
Two-zone dependency is preferable. Heat detectors can be connected in two-detector or two-
zone dependency.
Fire detector elements, such as fusible-link detectors, thermal isolators, immersion-type ther-
mostats do not need to be combined in two-detector or two-zone dependency.
To prevent inadvertent tripping, the control facility must be performed in conjunction with the
general alarm.
In the case of multi-zone extinguishing systems with only one message ("Fault, extinguishing
system") for all extinguishing zones, the control pattern "ST (alarm/message)" is to be set for
the actuator type "Control (VdS)" and a monitoring current of 0 mA is to be set for controlling
the extinguishing zone.
The message "Fault, extinguishing system" must be programmed as a message with the ap-
propriate text LB1 to LBx.
9.1.2
Preaction sprinkler extinguishing control module
With standard extinguishing interface (SST).
Activation of preaction sprinkler systems via SIGMASYS systems.
Alarm valve activation:
The systems are preferably to be activated by addressing an automatic detector in the fire
alarm control and indicating panel. The fire detectors can be linked in two-detector or two-
zone dependency in order to avoid inadvertent tripping.
Activation criteria of the reversing electromagnetic valve:
•
Fault on the tripping detector zone
•
Disablement of the tripping detector zone
•
Partial fault on the monitored line relating to the extinguishing command
•
Fault on the monitored control line of the tripping command
•
Disablement of the monitored control line of the tripping command
•
Fault in one of the extinguishing zones relating to central processing nodes in the fire
alarm control and
Multifunctional Danger Control and Indicating Panels SIGMASYS C and M (M-Modules)
Best.Nr. A24205-A337-B970 – Edition 12 (03/07)
)
:
indicating panel
9 Special control facilities
57 / 128
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