Functions
SF4C Safety light curtain
82
•
IEC 60204-1 (JIS B 9960-1): 'Safety of machinery - Electrical equipment of
machines - Part 1: General requirements, 9.2.4 Overriding safeguards'
•
EN 415-4: 'Safety of packaging machines part 4. Palletizers and depalletizers'
Annex A, A2.2 Muting'
•
ANSI B11.19-1990: 'for Machine Tools-Safeguarding When Referenced by the
Other B11 Machine Tool Safety Standards-Performance Criteria for the
Design, Construction, Care, and Operation' 4.2.3 Presence-Sensing Devices:
Electro-Optical and Radio Frequency (R.F.)
•
ANSI/RIA R15.06-1999: 'for Industrial Robots and Robot Systems - Safety
Requirements, 10.4.5 Muting'
The override function is active when all the conditions listed below are satisfied:
•
The safety output 1/2 is ON.
•
The signal is input to either muting input 1 or 2 or to both of the inputs.
•
The override input is connected to 0V (for NPN output) or +V (for PNP output), and the
test input/reset input is opened (for 3 seconds).
If any of the three conditions above is not satisfied or takes longer than 60 seconds, the override
function is deactivated.
0V/+V
0V/+V
Override input time: Max. 60 sec.
Override function
Test input/reset
input
Override input
Muting sensor
A/C
Muting sensor
B/D
Sensing object in
sensing area
Absent
Present
Control output
(OSSD 1, OSSD 2)
ON
OFF
OFF
OFF
OFF
ON
ON
ON
Open
Open
3 to 4 sec. (Note)
7ms or less
90ms
or less
Within 1 sec.
Time diagram for the override function
NOTE
-
When the diagnosis function for the muting lamp is active: If the muting
lamp does not light up after 1s, the muting function is deactivated.
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