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.