Chapter 5: Installation
106 EST3X Technical Reference Manual
Figure 23 on page 107 shows a single SIGA-CC1 switching a NAC on or off. The
G1M module provides signal synchronization for the temporal horn/strobe
appliances.
As in earlier examples, this circuit allows for independent silencing of the audible
appliances. This operation is provided by the SIGA-CR module, which opens or
closes the circuit between S+ and H+ on the G1M module. In this case, you must
program the operation of the SIGA-CR in the 3-SDU. The SDU settings for signal
silence operation will not determine the operation of the audible appliances in this
NAC.
Note also that this application could be implemented with a SIGA-CC1S module.
The SIGA-CC1S provides signal synchronization compatible with the operation of
the G1M module.
The advantage to using a SIGA-CC1S module is that the NAC would then be
synchronized with other NACs on the Signature data loop.
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