ESPRIT Gas Extinguishing User Manual
INSTALLATION
24
Approved Document Ref: UI-ESG-01 Issue 2.0
Inputs - Class Change and Pulse
Class Change
Switch (
–
ve)
inputs, which cause the common sounder outputs to operate.
Note:
Stage sounders will not be affected unless programmed to do so (see program details).
Pulse
Switch (
–
ve) inputs which cause the common sounder and detection zone stage sounder
’
s outputs to
pulse.
Note:
Stage sounders will not be affected unless programmed to do so (see program details).
PBUS
RS-485 local peripheral bus (P-BUS) circuit is for control of Remote Status-indicator Units (RSU), It is
not intended for networking or repeaters.
Maximum distance
1000m. Maximum line impedance 50Ω.
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