RTK 725 Series User Manual

RTK Series 725 Annunciator
50
16. Signal Supply Voltage Options
16.1 Standard Systems With Combined Logic And Signal Supply.
In standard systems the 24VDC logic supply, OV and +V is cross-linked to the signal supply input
terminals, OVC and +VC to provide the voltage required to power the input contacts. Systems are
supplied with a factory fitted jumper between these terminals.
The signal supply input terminal +VC is used to internally link 24VDC Via a fuse to all of the common
terminals within the annunciator marked “C” ready for connection to customer signal contacts
Systems Using A Single 24VDC For Logic And Signal Supply
FR
MULT
SUPPLY 24VDC
+V
HNB
OV OVC
HNA
T
+VC
A STR M
SPR
GPA GPB
24VDC LOGIC
SUPPLY
1
C
2
C
INTERNAL DISTRIBUTION OF
SIGNAL SUPPLY VOLTAGE
INTERNAL
1A SIGNAL
SUPPLY FUSE
TYPICAL SIGNAL INPUTS
Earthing
All 725 Series Alarm Annunciators are fitted with a separate earth stud, which is located on the metal
frame extrusion.
Warning:- To ensure the final installation meets all relevant safety standards and EMC directives this
earth must be connected

RTK 725 Series Specifications

General

Brand	RTK
Model	725 Series
Category	Security System
Language	English