Leuze electronic MLC 500 - Display elements and indicators

Device description
Leuze electronic MLC 520 Host/Guest 14
NOTICE
With permanently connected devices the resolution at the intersection point can be greater than
the resolution of the individual devices.
The operating range of the total system is defined by the component with the shortest operating
range.
To operate a Host device without connected Guest devices, a terminating plug is required (see
chapter 15 "Order guide and accessories").
NOTICE
The total number of beams for a Host–Guest or Host–MiddleGuest guest system must
not exceed the value 400!
Ä The number of beams for a Host–Guest or Host–MiddleGuest guest system is determined
by adding the number of beams of the individual devices (see chapter 14.2 "Dimensions,
weight, response time").
3.4 Display elements
The display elements of the safety sensors simplify start-up and fault analysis.
3.4.1 Operating indicators on the MLC500 transmitter
Located in the connection cap on the transmitter are two LEDs which serve as function indicators:
1
2
1 LED1, green/red
2 LED2, green
Fig.3.5: Indicators on the MLC 500 transmitter
Tab.3.2: Meaning of the LEDs on the transmitter
LED Color State Description
1 Green/red OFF Device switched off
Red Device error
Green Normal operation
2 Green Flashing For 10s after switch-on: reduced
range selected by the wiring (see
chapter 7.1 "Pin assignment trans-
mitter and receiver").
OFF Transmission channel C1
ON Transmission channel C2