Chapter 1 – Product Overview
12
Siemens Industry, Inc.
BACnet ATEC Owner's Manaul
125-5050, Rev. AA
4/20/2010
The controller connects to the field panel by means of a Floor Level Network (FLN)
trunk. Communication wiring connects to the three screw terminals on the controller
labeled “+” (positive), “-“(negative), and “S” (Shield). See the following figure.
The controller has six Light Emitting Diode (LED) indicators (see the figure
Siemens
BACnet ATEC
).
Controller LEDs.
LED Type
Label
(if present)*
LED
Number
Indication
DO LED 3 - LED 5 3 - 5 Indicates the ON/OFF status of the DO
associated with it. A glowing LED indicates
that the DO is energized.
Transmit TX 0 Indicates, when flashing, that the controller is
transmitting information to the field panel.
Receive RX 1 Indicates, when flashing, that the controller is
receiving information from the field panel.
BST
”Basic Sanity
Test”
BST 2 Indicates, when flashing ON and OFF once
per second, that the controller is functioning
properly.
* Some LED labels and numerals may be hidden by the controller cover.
See also
Chapter 1 – Product Overview [ 9]