User manual

Model: EC-GOLD
ECGOLDUM17.DOC Rev: 1.7
- 8 -
Figure 2.2
All user connections are via mating plug/receptacle connectors to make installation and service easier.
CAUTION:
THE UNIT HOUSES SENSITIVE ELECTRONIC COMPONENTS AND SHOULD BE HANDLED WITH CARE. IF
PUNCHING OR DRILLING THROUGH THE ENCLOSURE WALLS IS NECESSARY MAKE SURE THAT THE
INTERNAL ELECTRONIC MODULES ARE SHIELDED FROM DEBRIS ESPECIALLY METAL PARTICLES.
PLEASE MAKE SURE THAT THE CONNECTIONS HAVE THE POLARITY AS INDICATED OR THE CONTROLLER
MAY BE DAMAGED.
USE GOOD INSTALLATION PRACTICE! DO NOT RUN HIGH VOLTAGE CABLE IN THE SAME CONDUIT AS
SIGNAL WIRES.
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 Discrete Voltage Output (DVO for alarm only) applications,
the EC Gold Output is configured for DVO mode and connects
to the corresponding Zone connection on the ISA-66RLU
board or to the Gas Alert DVO connector.
12345
ELECINST.DSF
12345
D+
D-
OUT
GND
24V
12345
D+
D-
OUT
GND
24V
1234
DVO Connector
The Gas Alert only accommodates a single zone.
Sensors per zone: Typically around 20 depending on
wires sizes and lengths.
SGND connection (on Gas Alert) NOT made to
EC GOLD transmitters
24V
PGND
VSIG
EC GOLD
Transmitter
EC GOLD
Transmitter
GAS ALERT
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