80S-20贴片机 - 第226页
7 Components Table SIPLACE 80 S-20/F4 Service Manual 7.5 Communications Unit Edition 03/97 7 - 24 ● Make s ure that th e compone nts chan geover table fu nctions correc tly with the new commu nication s unit. Pleas e not…
SIPLACE 80 S-20/F4 Service Manual 7 Components Table
Edition 03/97 7.5 Communications Unit
7 - 23
7.5.2.2 Checking and Replacing Fuse F1
The error message "Communication with table interrupted" may point to the fuse F1 being defective.
● Select "Abort placement". The picked-up components will be returned.
● Switch off the machine at the main switch.
● Unscrew and remove the fuse F1 which is to be found on the right-hand side of the connections panel (see
Fig. 7.5.1):
– The fuse has blown:
● First correct the cause of this:
– Short circuit in the feeder module: check this, for example, by connecting to the external power
supply.
– Short circuit within the empty tape cutting device: See Section 7.6.2.1 ’Checking the + 30 V Elec-
tric Circuit : Fuse, Plug Connections, Motor Activation, Solenoid Valve’
● Replace accordingly the fuse F1: 3.16 AT.
● First make sure the plug connections of the components changeover table at the machine base (X37 and
mains plug) are seated firmly.
● Switch the machine on and start the placement sequence.
– The fuse has not blown: proceed as described in the next section.
7.5.2.3 Locating an Interruption in Cable Y559-W1 and the Communications Unit
● The machine was already switched off during fault location work (see above).
● Pull out the plug X37 (Components table interface cable Y559-W1) on the right of the machine base.
● Remove the front panel of the communications unit (6 recessed head screws M3).
● Pull the boards (= one unit) a little towards you and disconnect the plug connection of the components
table interface cable Y559-W1 which enters the unit through a cable penetration at the back.
● In the following inspection refer to the circuit diagram 1710460-Y0559-...-L-. (circuit diagrams folder):
Check the cable Y559-W1 for breaks using an ohmmeter (acoustical signal upon if there is continuity):
– Cable break: replace the cable Y559-W1 as described in the section below.
– No break: proceed as described below:
● For test purposes install a new communications unit (see Section 7.5.2.7 ’Replacing the Communications
Unit’).
● Connect up the components changeover table on the right-hand side of the machine base (X37, mains
plug, and if applicable pneumatics connection).
● Slide in the side cover, if applicable, and close the guard; switch the machine on.
7 Components Table SIPLACE 80 S-20/F4 Service Manual
7.5 Communications Unit Edition 03/97
7 - 24
● Make sure that the components changeover table functions correctly with the new communications unit.
Please note the following note.
NOTE:
The error message "Communication with table interrupted" can occur both at starting and also during the
placement sequence at component pick-up from this table. For this reason, to check this start a (self-writ-
ten) placement program with components being picked up from the location which is to be tested.
If the SITEST program is used for testing, no corresponding error message will be issued.
– No error message after replacement of the components changeover tables: start the placement
sequence.
7.5.2.4 Replacing Cable Y559-W1
● Open the protective cover, pull the protective cover at the components loading point upwards and away.
Now move the placement head by hand until it is within the PCB transportation area:
Please note at this time the CAUTION note in Section 12.2 "Fault characteristics"!
● Cut off the empty tapes - if this has not already been done- at the front end of the module. All modules and
the tape reels will remain where they are in order that their allocations do not get changed.
NOTE:
If you have already unintentionally removed the tape reels, to restore their previous allocations proceed as
described in the User Manual, Section 9 , under "Components tables".
● Open the clamping lever, undo the plug connections (X37, mains plug and, if applicable, the pneumatics
connection) at the machine base and with a lift truck carefully remove the components changeover table
as described in the User Manual, Section 8.
● The front panel of the communications unit has already been removed in the course of fault location (see
Section 7.2 ’Fault Characteristics’ and the plug connection of the cable Y559 -W1 in the communications
unit has been disconnected.
● Remove the defective cable, install the new cable Y559-W1, reconnect the plug connection in the commu-
nications unit, making sure that it is firmly seated.
● Refit the components changeover table, close the clamping elements, reconnect the plug connections
(X37, mains plug and, if applicable, the pneumatics connection) at the machine base.
● Switch on the machine and start the placement sequence.
SIPLACE 80 S-20/F4 Service Manual 7 Components Table
Edition 03/97 7.5 Communications Unit
7 - 25
7.5.2.5 Testing the Connection Sockets with the Feeder Position Tester
In the case of error message No. 43 you can carry out the following tests on the individual connection sockets
of the communications unit with the aid of the feeder position tester:
– 30 VDC voltage (always present at the socket),
– a.c. voltage for the vibratory feeders (present only when the conveyor is being operated),
– control pulse (output signal) for tape cycle with tape feeder module 8 mm electrical, V2 (new version),
– control pulse (output signal) for solenoid valve in the compressed air feeder module.
NOTE:
For the purposes of fault location the vibratory feeders can also be activated via the station software:
proceed as follows: pull out the plug of the vibratory feeder → connect up the feeder position tester → menu
"Component feeding" → "Location" →"Vibrate linear feeder" → Return. The output for the vibratory feeders
will remain set until you cancel the function "Vibrate linear feeder" (toggle function).
For further fault location, use the SITEST program. In this case use the feeder position tester as follows:
● Select "Abort placement", quit the placement program and load the SITEST program.
● Testing the +30 VDC voltage for the tape feeder modules:
● Pull out the plugs of the tape feeder modules one after the other from the connections panel, each
time plugging in the feeder position tester (see Fig. 7.5.2):
● The +30 VDC supply voltage must always be present at the socket, and therefore the feeder position
tester LED (see Fig. 7.5.2) must light up each time.
● Testing the a.c. voltage for the vibratory feeders :
● Pull out the plug of one vibratory feeder, connect the feeder position tester to the socket thus freed.
● Set the output for this track by means of the SITEST program by making the following selection:
"Functions" → "Component table" → "Single functions" → "Track" →"Actuate lin. feeder".
The voltage is applied for approx. 200 ms. The corresponding LED on the feeder position tester must
light up briefly (see Fig. 7.5.2), provided the potentiometer under the socket has not been set to "0" →
setting the potentiometer: see the section below.
NOTE:
From SITEST program version 1.64 onwards the duration of vibration is configurable.
● Check all sockets of the connections panel in this way.
● Testing the output (= control pulse) for the module 8 mm electr. and the compressed air feeder module:
● Connect the feeder position tester to the corresponding socket and set the output: "Functions" → "Compo-
nent table" → "Single functions" → "Track" → "Output".
Check the activation of the LED on the feeder position tester for the left-hand and right-hand tracks
(see Fig. 7.5.2).