Installation and Commissioning
24
sysmik.de
Manual SCA-340 / SCA-340-L
3.3
Operating Elements
3.3.1
Overview
Fig. 3.3.1.1:
Front view with display and operating element s
3.3.2
Inline Supply LEDs “US”, “UM”, “UL”
LED State
Description
US
green
voltage at segment circuit (+24 V DC)
off
no voltage at segment circuit
UM
green
voltage at main circuit (+24 V DC)
off
no voltage at main circuit
UL
green
U
BK
(24 V supply), U
L
(logic supply) OK
off
U
BK
, U
L
not OK
Table 3.3.2.1:
Inline supply LEDs
3.3.3
Process Status LEDs “PL”, “ST”, “SE”
LED Description
PL
status of Niagara Platform
ST
status of Niagara station
SE
status of Sedona Virtual Machine, incl. IO-server
Table 3.3.3.1:
Process status LEDs
In normal operation, all three LEDs are using the same signalizing method.