janitza UMG 804, User Manual And Technical Data

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13. Connection of CT Strips to Smart Ports
Important: Always use the correctly rated insula-
tion on the network cables. This is typically 300 V
rated cable for 240 VAC applications and 600 V
rated insulation for 277/480 VAC applications.
Always observe the sequence of connection of the
CT strips to the Smart Ports.
·Panelboard 1 shall be connected to ports 1 and 2.
·Port 1 shall be the CT strip where CT position
number 1 is located per figure 21.
·Port 2 shall be connected to the other CT strip for
panel 1. For two panel systems,
·Port 3 shall be the CT strip where CT position
number 1 is located per diagram xx.
·Port 4 shall be connected to the other CT strip for
panel 1.
PANEL 1 PANEL 2
1 2 3 4
CT #
1....21 CT #
22....42 CT #
1....21 CT #
22....42
Panel 2 = Slave ID “X+1”
Smart Ports 3,4 Panel 1 = Slave ID “X”
Smart Ports 1,2
Fig. 21: CT strip Smart Port conections
13.1 Discovery of CT Strips by the Core
Module
Once the CT Strips are plugged into the Core
Module and the module is energized, they will
automatically be discovered upon power up of the
Core Module. A green LED on the CT strip that will
indicate if it is discovered and communicating. To
be properly communicating the LED will be pulsing
at a 1Hz rate.
IMPORTANT
: CT Strips and Cards can only be
discovered upon power up of the Core Module.
Plugging in a new Strip or Card when the Core
Module is energized will require power cycling of
the Core Module.
OFF: NOT DISCOVED
ON SOLID: DISCOVERED BUT
NOT REPORTING
BLINKING: DISCOVERED AND
REPORTING DATA
OFF: NOT DISCOVED
ON SOLID: DISCOVERED BUT
NOT REPORTING
BLINKING: DISCOVERED AND
REPORTING DATA
Fig. 22: CT strip LED
status indication