Chapter 2: Front panel programming
96 Vigilant VS1 and VS2 Technical Reference Manual
Programming relay modules and bases as latched output
devices
Latched outputs are relays that are configured to shut down air handlers and
dampers during an alarm. Table 24 below lists relay modules and relay bases that
can be configured as latched outputs. The following table lists the device types used
to configure a device as a latched output.
The latched outputs must be manually unlatched and then restored. The unlatch
command affects all latched outputs system-wide. You can assign the Unlatch
Outputs command to a programmable key on the front panel or to a Class A or B
Signature input module circuit with one of the devices listed in Table 24 below. The
following output modules can be configured to unlatch latched outputs: SIGA-CT1,
SIGA-CT2, SIGA-MAB, SIGA-MCT2, SIGA-MM1, and SIGA-UM.
For information on assigning the unlatch command to a programmable key, see
“Setting up the programmable keys” on page 51.
Table 24: Output modules configurable as latched outputs
Output modules
SIGA CC1 SIGA CRR SIGA MCC2
SIGA CC1S SIGA IO SIGA MCC1S
SIGA CC2 SIGA MAB SIGA MCRR
SIGA CR SIGA MCC1 SIGA MIO
SIGA CR2 SIGA MCR SIGA UM
Relay bases
SIGA-RB [1]
SIGA-RB4 [1]
[1] Relay bases support any of the following detectors: HFS, HRS, IPHS, IS, PHS, and SD. To configure
the base as a latched output, configure the attached detector’s base type to “Relay” and set the
Latched option to “Yes.”
Table 25: Device types for latched outputs
Type Description
Supervised Outputs (Latched) SupOut Latch. For Class B latched output modules that
output an unsynchronized signal. Does not follow signal
silence.
Continuous Non-Silenceable (Latched) Cont NS Latch. For Class B latched output modules that
output an unsynchronized signal. Does not follow signal
silence.
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