Chapter 3 Functions; Functional Descriptions; Fixed Blanking Function - Panasonic SFC-HC Instruction Manual

CHAPTER 3 FUNCTIONS

3-1

Functional Descriptions

3-1-1 Fixed Blanking Function

This is a function that the control output (OSSD 1 / 2) of SF4C series is not turned OFF, even if the
VSHFL¿HG EHDP FKDQQHO V LV EORFNHG 2))
7KLV LV XVHIXO ZKHQ DQ REVWDFOH DOZD\V EORFNV 2)) WKH VSHFL¿F EHDP FKDQQHO V 
There are "Clear," "Auto" and "Manual" for the setting method.
&OHDU VHWWLQJ
Auto setting
0DQXDO VHWWLQJ (DFK EHDP FKDQQHO FDQ EH VHW WR ³YDOLG  LQYDOLG´ LQ WKH ¿[HG EODQNLQJ IXQFWLRQ
<Before measures>
<After measures>
9
,I FRQ¿JXUDWLRQ RI WKH V\VWHP LV FKDQJHG UHSODFH WKH SF4C series etc.), set the function
again.
7KH ¿[HG EODQNLQJ IXQFWLRQ LV WR EH LQYDOLG IDFWRU\ VHWWLQJ 
: The currently blocked OFF beam channels are set as "valid beam channels" in
WKH ¿[HG EODQNLQJ IXQFWLRQ %H VXUH WR VHW WKLV IXQFWLRQ LQ WKH VWDWH ZKHUH WKH
emitter emits light. Furthermore, this function cannot be set in the state where
all beam channels receive lights / are blocked.
respectively.
The all light beam channel can not be selected all valid / all invalid
:KHQ WKH ¿[HG EODQNLQJ IXQFWLRQ LV XVHG WKH FRQWURO RXWSXW 266'    RI SF4C series is
not turned OFF even if the particular beam channels are blocked.
By using a protection structure etc., make the dangerous parts of the machine inaccessible
to personnel through the sensing area of the particular beam channels.
Emitter
Obstacle
Dangerous area
Emitter
Protection structure
:KHQ WKH YDOLG EHDP FKDQQHO V LQ WKH ¿[HG EODQNLQJ IXQFWLRQ UHFHLYH V WKH EHDP V IURP
the emitter, the control output (OSSD 1 / 2) of the SF4C VHULHV LV ¿[HG WR ³2))´ ,Q WKLV FDVH
check the mounting condition and turn the power ON again.
(YHQ LI WKH SRZHU LV WXUQHG 21 DJDLQ WKH ¿[HG EODQNLQJ IXQFWLRQ VWLOO VWD\V YDOLG
:KHQ WKH ¿[HG EODQNLQJ IXQFWLRQ LV XVHG WKH UHFHLYHG OLJKW LQWHQVLW\ LQGLFDWRU RI SF4C se-
ries is turned OFF regardless of the received light intensity.
© Panasonic Industrial Devices SUNX Co., Ltd. 2013 MJE-SFCHC No.0037-80V
Receiver
%HDP FKDQQHOV WKH ¿[HG EODQN-
ing function has been set to ON
Receiver
%HDP FKDQQHOV WKH ¿[HG EODQN-
ing function has been set to ON