Delta Controls DZNR-768, Installation Manual

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DZNR-768 Revision 1.2 Installation Guide Page 19 of 28
Document Edition 1.5
Status indicators
A great deal of information about the operation of each connected controller and the overall
integrity of each segment is available from careful observation of the LED indicators
The following table summarizes the purpose and the types of status information represented
by each LED or LED group.
LED Indicates Description
POWER DZNR is powered. Amber LED is ON steady for normal operation
and OFF when power is disconnected or a fuse
is blown.
Tx
(MS/TP
segments 1-4) DZNR sending
information on associated
RS-485 segment. Green LED blinks quickly in a regular pattern.
Rx
(MS/TP
segments 1-4) DZNR receiving
information on associated
RS-485 segment. Red LED blinks quickly in a regular pattern.
ERR
(MS/TP
segments 1-4) Status of associated RS-
485 segment. This is a tri-color LED. If color is a steady
green, then the network segment is OK. If color
is amber or red, network errors are present.
BAUD RATE Current operating baud
rate Only one LED is lit, indicating operational baud
rate.
DEVICE ID
(0 to 99) Each individual device
online. LEDs provide individual online indication for
devices in the range 0-99.
DEVICE ID
(100-127) One or more devices are
online. LED provide online indication for devices in the
range 100-127, including the CON-768 service
tool, which assumes a default address of 127.
For Device IDs greater than 99, visual indication is limited to whether the
device is present (LED on) or not (LED off). It does not attempt to identify
any of the same diagnostic conditions as for devices 0 to 99.