User manual

Model: EC-GOLD
ECGOLDUM17.DOC Rev: 1.7
- 7 -
2.2 ELECTRICAL INSTALLATION
Figure 2.1
ELECTRICAL INSTALLATION
+24VDC
OUT
RS-485 NETWORK
-+
-+
EC GOLD
TRANSMITTER
BOARD
For Networked applications, the 2 wire RS-485 network
connects to the Enmet Central Access Panel.
For RLU Loop (alarm only) applications, the Output is
configured for Loop output and connects to the corresponding
Zone connection on the ISA-66RLU board.
12345
ELECINST.DSF
12345
D+
D-
OUT
GND
24V
12345
D+
D-
OUT
GND
24V
12345
D+
D-
OUT
GND
24V
24VDC
GND
RS-485
(2 Wires)
D+
D-
ENMET EC GOLD
CENTRAL ACCESS PANEL or
HAND HELD CALIBRATOR
Up to 128 EC Gold transmitters on the network
ALARM RELAYS
12345
D+
D-
OUT
GND
24V
12345
D+
D-
OUT
GND
24V
1234 1234 1234 1234 1234
ZONE1 ZONE2 ZONE3 ZONE4 ZONE5
For clarity only Zone5 is shown connected.
Sensors per zone: Typically around 20 depending on
wires sizes and lengths.
SGND connection (on ISA-66RLU) NOT made to
EC GOLD transmitters
24V
PGND
VSIG
EC GOLD
Transmitter
EC GOLD
Transmitter
EC GOLD
Transmitter
EC GOLD
Transmitter
EC GOLD
Transmitter
ENMET ISA-66RLU
To other
Zones
4 Wires + shield
(Shld connected at
this point only)
Use good installation practice!
Do not run high voltage cables in the
same conduit as signal wires.
!
12345
D+
D-
OUT
GND
24V
EC GOLD
Transmitter
SGND
N/C