GridScan/Pro SI
English
© CEDES | V 1.0
13
Data: Reduced state
bit 15
bit 0
State of light curtain
Door position
bit 0-7
Door position (signed 8 bit):
0
= Door closed
22 = Door open at a 22 element light curtain
52 = Door open at a 52 element light curtain
255 = No information, static mode
bit 8
State of light curtain:
Bit is set if one or more elements below the door edge are interrupted.
bit 9
Internal failure:
Bit is set if an internal failure occurs.
bit 10-13
Reserved:
Reserved values, values not defined (mask out).
bit 14-15
Maintenance information:
0
= Clean light curtain
1
= Light curtain with light soiling
2
= Light curtain with middle soiling, cleaning at the next opportunity recommended
3
= Light curtain with high soiling, cleaning recommended for a proper functionality
Data: Full state
bit 79
bit 0
Single element information
State of light curtain
Door position
bit 0-7
Door position (signed 8 bit):
0
= Door closed
22 = Door open at a 22 element light curtain
52 = Door open at a 52 element light curtain
255 = No information, static mode
bit 8
State of light curtain:
Bit is set if one or more elements below the door edge are interrupted.
bit 9
Internal failure:
Bit is set if an internal failure occurs.
bit 10-13
Reserved:
Reserved values, values not defined (mask out).
bit 14-15
Maintenance information:
0
= Clean light curtain
1
= Light curtain with light soiling
2
= Light curtain with middle soiling, cleaning at the next opportunity recommended
3
= Light curtain with high soiling, cleaning recommended for a proper functionality
bit 16-75
Single Element information:
bit 16 = Element 1 from bottom, bit is set if the element is interrupted
bit 17 = Element 2 from bottom, bit is set if the element is interrupted
…
bit 75 = Element 60 from bottom, bit is set if the element is interrupted
bit 76-79
Reserved:
Reserved values, values not defined (mask out).
NOTICE
Length of bit 16 to 79 depends on the number of elements. A edge with 22 elements transmits only 5 full
bytes (40 bit).
Safety: Test input
No data exist. The light curtain switches to the test mode (details see Chapter 10.1.2).
