11
@MCHRB@QQXHMFNTS@SDRSNESGDHMSDQM@KO@QSRK@RSKX@MHQQDFTK@Q
MNMBNMRS@MSk@RGHMFLD@MRSG@SSGDSDRSV@RTMRTBBDRRETK@MC
consequently, there is a failure.
C
-NVBGDBJSG@SSGD+$#RNEHMOTSRVHSG-"SXODBNMS@BSR@QDNM
@KKSGDR@EDSXCDUHBDR@BSHUD@MCSG@SSGD+$#RNEHMOTSRVHSG-.
SXODBNMS@BSR@QDNEEMNBNLL@MCOQDRDMSHESGHRCNDRMNSG@O
-
pen check connections and effectiveness of the various devices.
D
"GDBJSG@S@KKSGDR@EDSXCDUHBDRNMSGDOK@MS@QDVNQJHMFOQNODQKX
DLDQFDMBX RSNO OGNSNDKDBSQHB BDKKR OMDTL@SHB DCFDR DSB
D@BGSHLDSGDXSQHFFDQSGDBNQQDRONMCHMF23.//'.3."$++NQ
/'.3."$++RGNTKCSTQMNEE
• This is one of the most important checks and must be done with
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depends on the correct functioning of the safety devices. If the
k@RGHMFKHFGSHR@MDWBDKKDMSHMRSQTLDMSENQRHFM@KKHMFSGDRS@SDNE
danger and the torque limiting devices are an excellent means
to minimise damages, only a correct installation of the safety
devices will make it possible to block the automatism before it
can cause any damage.
E
-NVHRSGDSHLDSNBGDBJVGDSGDQLNUDLDMSNBBTQRHMSGDQHFGS
direction, that is, to see whether movement set on the unit cor-
responds to that of the gates.
This check is of paramount importance, if the direction is wrong in
RNLDB@RDRHMSGDRDLH@TSNL@SHBETMBSHNMHMFLNCDENQHMRS@MBD
SGDF@SDLHFGS@OOD@QSNADVNQJHMFOQNODQKXHME@BSSGD./$-
BXBKDHRRHLHK@QSNSGD"+.2$BXBKDATSVHSGNMDA@RHBCHEEDQDMBD
the safety devices are ignored in the closing manoeuvre which is
normally the most dangerous, and they will trigger in the opening
manoeuvre causing the gate to reclose up against the obstacle
with disastrous results!
+NBJSGDANNLF@SDVHSGSGDA@Q@S@¦@MFKDRNHSB@MLNUDEQDDKX
HM ANSG CHQDBSHNMR -NV FHUD @ AQHDE BNLL@MC OTKRD NM SGD ./$-
input and if the bar does not move in the opening direction proceed
as follows:
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4MOKTFSGDf,.3.1tBNMMDBSNQ@MCQDOKTFHS@ESDQHSG@RADDM
STQMDC¦
4MO(,(326(3"'tBNMMDBSNQ@MCQDOKTFHS@ESDQHSG@R
ADDMSTQMDC¦
1DOD@SSGDOQNBDCTQDCDRBQHADC@ANUDHMONHMS$SNRDDHEQNS@SHNM
direction is right.
Note:
when direction is reversed then all the three procedures described
above have to be carried out. In particular, if, for example, you turn
SGDf,.3.1tBNMMDBSNQATS(,(326(3"'tBNMMDBSNQHS
will cause an error in the slowing down system. In such a case, the
motor is controlled, for instance, in the opening phase but the FCA
limit switch is never reached and consequently the bar reaches the
NODMHMFONHMSVHSGL@WHLTLENQBDSGD@LLDSQHBCDSDBSHMFRXRSDL
then comes into play reversing direction in a new manoeuvre which
is also wrong.
F
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possible to try a complete movement, we recommend that you
always work in the manual mode with all functions deactivated. If
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-
LDMS@ESDQSTQMHMFNMRGNTKCAD@MNODMHMFNMD
By means of the command inputs, move the bar up to the opening
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SQHFFDQ @BSHU@SHMF SGD fRKNVHMF CNVMt OG@RD VGHBG L@JDR SGD A@Q
reach the set point at a slower speed. Now carry out a closing
OG@RD TMSHK SGD BKNRHMF ONHMS HR QD@BGDC HM SGHR B@RD SNN SGD %""
KHLHS RVHSBG RGNTKC SQHFFDQ @BSHU@SHMF SGD RKNVHMF CNVM OG@RD ¦
before movement stops. Now test triggering of the safety devices:
/'.3."$++HMNODMHMFG@RMNDEEDBSVGHKDHMSGDBKNRHMFOG@RDHS
B@TRDRSGDA@QSNRSNO/'.3."$++G@RMNDEEDBSHMSGDBKNRHMF
phase while in the opening phase it causes the bar to stop. The
devices connected to the STOP input act both in the opening and in
the closing phases, causing the bar to stop.
G
3GD G@Y@QCNTR RHST@SHNMR B@TRDC AX SGD LNUDLDMS G@UD ADDM
safeguarded by limiting the force of impact, the impact force
LTRS AD LD@RTQDC @BBNQCHMF SN $- 2S@MC@QC (E SGD
BNMSQNKNESGDfLNSNQENQBDtHRTRDCSN@RRHRSSGDRXRSDLENQSGD
QDCTBSHNMNESGDHLO@BSENQBDSQXSNjMCSGD@CITRSLDMSSNNAS@HM
optimal results.
There is a trimmer on the card to establish the triggering threshold of
SGHRSGDEQHBSHNMHRG@RSNAD@CITRSDCRNSG@SHSBNLDRHMSN@BSHNM@R
soon as a light pressure is applied to the bar in the direction opposite
to the way it is moving.
To overcome the initial movement phase that always needs greater
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SGDLNSNQRS@QSTOOG@RDSNDU@KT@SDSGDDEEDBSNESGD@CITRSLDMSNM
the trimmer, you ought to wait until the movement has started and
the bar has reached standard speed.
*DDO HM LHMC SG@S @KV@XR ENQ @ PTDRSHNM NE R@EDSX HE SGD EQHBSHNM
comes into play three consecutive times, movement is stopped with-
out any reversal. If the automatic functioning mode is selected at the
DMCNESGDNODMHMFL@MNDTUQDSGDQDHR@fO@TRDSHLDt@ESDQVGHBG@
closing manoeuvre is automatically launched. Pause time is adjusted
VHSG SGD SQHLLDQ / 42$ 3(,$ /@TRD SHLD HR @KRN @BSHU@SDC HM SGD
semiautomatic functioning mode when, in the closing phase, the
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a reversal in the opening manoeuvre.
EN
