18
Operating instructions
Safety light curtain / safety light grid
SLC440 Series
SLG440 Series
EN
6.4 Half-yearly inspection
The following items must be checked every six months or if a machine
setting is changed
1 Machine stops or does not inhibit any safety function
2 No machine modification or connection change, which affects the
safety system, has taken place
3 The outputs of the AOPD are correctly connected to the machine
4 The total response time of the machine does not exceed the
response time calculated during the first commissioning
5 The cables, the connectors, the caps and the mounting angles are in
perfect condition
6.5 Cleaning
If the optics cover of the sensors is extremely soiled, the OSSD outputs
may be disabled Clean with a clean, soft cloth with low pressure
The use of agressive, abrasive or scratching cleaning agents, which
could attack the surface, is prohibited
7. Diagnostic
7.1 Status information LED
Receiver
Function
LED colour
Description
OSSD ON
OSSD OFF
Restart
Signal reception
Blanking
Information
Protection field
OSSD ON
green
Safety outputs Signal condition ON
OSSD OFF
red
Safety outputs Signal condition OFF
Restart
yellow
Input for command device
Signal reception
orange
Safety-monitoring module of Signal reception
Blanking
blue
Protection field(s) inactive (blanking)
Information
yellow-green
Beam coding A
Emitter
Function
LED colour
Description
Information
Emitting
Protection field
Information
green
Function display, Beam coding A
Emitting
orange
Emitter active
Receiver
LED
Status LED
Description
OSSD ON
ON
Protection field clear
OSSD OFF
ON
Protection field interrupted, system or configuration error
ON
Error output refer to Fault diagnostic table
Restart
ON
Restart interlock (manual reset) active, signal expected at input restart interlock
Signal reception
ON/flashing
Signal reception too low, check alignment and installation height between emitter and receiver
Cleaning the black profile cover
AUS
Alignment between emitter and receiver OK, when the OSSD are enabled
Blanking
1 x flashing
Fixed blanking of the protection field(s)
2 x flashing
Floating blanking, max 1 beam
3 x flashing
Floating blanking, 2 beams
4 x flashing
Floating (max 1 beam) and fixed blanking of protection field(s)
5 x flashing
Floating (2 beams) and fixed blanking of protection field(s)
6 x flashing
Fixed blanking with movable edge region
Information
flashing
Beam coding A is active
Emitter
LED
Status LED
Description
Emitting
ON
Standard operation, emitter active
flashing
Configuration error
Information
flashing
Beam coding A is active
7.2 Status information, receiver end plug
Signalisation of the status occurs at the receiver end cap
Status display
receiver
Status
Description
OSSD ON
Green
Protection field clear
OSSD OFF
Red
Protection field interrupted
Restart
Yellow
Restart interlock (manual reset) active, signal expected at input restart interlock
Set-up tool
Blue
Setting mode: signal quality
