Maintenance
Leuze electronic
VARIO B
17
TNT
35/7-2
4
V
4.5
Self-test function
The PNP input (pin 4 or green strand) can be used to switch the transmitter bar off and on.
With this function, it is possible to explicitly test the system for proper function.
Activation of this function via VARIOSoft
High active (de-)activation signal (+24V)
Relative threshold output:
"
3
"
Relative threshold warn:
"
0
"
all beams switched off
transmitter LED flashes, LED1: 1, LED2: active
switching output: active
Low active (de-)activation signal (0V)
Relative threshold output:
"
0
"
Relative threshold warn:
"
3
"
all beams switched off
transmitter LED flashes, LED1: 1, LED2: active
switching output: active
5
Maintenance
The VARIO B does not require regular maintenance.
If the front cover should become soiled, clean it with a moist cloth.
• Do not use any cleaners which contain solvents to clean.
• Do not use any high-pressure cleaners or steam jet cleaners.
• When cleaning, take care not to scratch the front cover.
• If necessary, realign and recalibrate the light curtain.