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Matsushita Electric Works, Ltd.

Global Marketing Division

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How to use the UJ20 external inputs/outputs and 
modes / Troubleshooting

Page Title

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How to use the UJ20 external inputs/outputs and modes /
Troubleshooting

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Emergency stop of UV irradiation – 1: EMERGENCY signal

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Emergency stop of UV irradiation -2: STOP signal

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Emergency stop of UV irradiation -3: [EMISSION] SW

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UV irradiation by an external signal (foot SW) (when using one head)

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UV irradiation by an external signal (foot SW) (when using one head)

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How to use BUSY signals

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How to use BUSY signals (Connection of UV irradiation indicators)

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START signal modes: PULSE/STATUS

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UV irradiation starting by SW-on and stopping at a preset time

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UV irradiation while holding SW on and stopping at the preset time

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Collective/individual lighting control of multiple heads (ALL/MULTI)

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Collective lighting control of multiple heads [ALL]-[PULSE]

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Collective lighting control of multiple heads [ALL]-[STATUS]

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Individual lighting control of multiple heads [MULTI]-[PULSE]

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Individual lighting control of multiple heads [MULTI]-[STATUS]

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Lighting control of the heads in pairs using two foot SWs

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UV irradiation only by signal inputs regardless of time setting

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UV irradiation only by signal inputs regardless of time setting: [MNL]
irradiation

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UV irradiation pattern switching

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UV irradiation pattern switching

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Remedies for outputs of [ALARM] and [ERROR] warning signals

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UV irradiation is impossible although [ERROR] is not displayed

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Precautions for simultaneous input of the START signal to multiple UJ20
controllers

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UJ20 inputs/outputs (I/O terminal arrangement)

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UJ20 inputs/outputs (I/O specifications)

Содержание UJ20 Series

Страница 1: ...and stopping at the preset time 12 Collective individual lighting control of multiple heads ALL MULTI 13 Collective lighting control of multiple heads ALL PULSE 14 Collective lighting control of multi...

Страница 2: ...emergency stop SW between these terminals so that the signal input can be turned off when the SW is pressed and a forced stop of UV irradiation will be possible even in the middle of the process 1 Whi...

Страница 3: ...op the UV irradiation of UJ20 When the signal is input between terminals 9 and 12 the UV irradiation will stop and the ERROR signal will be turned on ERROR is output because the UV irradiation has not...

Страница 4: ...Operation Press the EMISSION SW on the panel to stop the UV irradiation When the UV irradiation is stopped by the EMISSION SW ERROR is output because the UV irradiation has not completed Hold down the...

Страница 5: ...inal for easier connection When using only one LED head connect the head to CH1 and connect the foot SW between terminals 1 and 12 Don t remove the shorting bar between terminals 11 and 12 Since the b...

Страница 6: ...foot SW or other external signal to start UV irradiation use the START input terminal for easier connection UV irradiation starts when the START signal is received while the READY signal is on During...

Страница 7: ...he BUSY1 to BUSY4 signals are output for heads CH1 to CH4 independently Even if the output is set to 0 by the irradiation pattern setting these signals are output These signals can be used for control...

Страница 8: ...can be directly connected without any external devices If the head cable length exceeds 2 m use the BUSY signals to install UV irradiation indicators in an easily viewable location for safety purposes...

Страница 9: ...ART pulse signal is input When the preset time has elapsed UV irradiation stops STATUS While an external START signal is input UV irradiation continues When the START signal is turned off within the p...

Страница 10: ...time has elapsed UV irradiation stops 1 The UV irradiation starts when the START signal is received while the READY signal is on The UV irradiation starts when the START signal is input and stops whe...

Страница 11: ...RT signal is turned off within the preset time the irradiation stops 1 The UV irradiation starts when the START signal is received while the READY signal is on The UV irradiation starts when the START...

Страница 12: ...channel connectors for connection of up to four heads There are two modes for controlling signals to the channels lighting of the heads ALL and MULTI The two modes are switched on UJ20 ALL Mode to li...

Страница 13: ...the START signal with a short input pulse 1 UV irradiation continues for a preset time after the START signal is turned on 2 The READY signal stays off during irradiation 3 The READY signal is turned...

Страница 14: ...off ALL STATUS T1 STOP UV 1 BUSY 1 START READY ERROR T2 UV 2 BUSY 2 T3 UV 3 BUSY 3 T4 UV 4 BUSY 4 START COM READY BUSY 1 BUSY 2 BUSY 3 BUSY 4 STOP 1 UV irradiation continues for a preset time within t...

Страница 15: ...T 1 COM READY BUSY 1 BUSY 2 BUSY 3 BUSY 4 START 2 START 3 START 4 STOP T1 UV 1 BUSY 1 START 1 UV 2 BUSY 2 START 2 T2 T3 UV 3 BUSY 3 START 3 T4 UV 4 BUSY 4 START 4 READY STOP ERROR 1 The heads correspo...

Страница 16: ...BUSY 3 BUSY 4 START 2 START 3 START 4 STOP T1 UV 1 BUSY 1 START 1 UV 2 BUSY 2 START 2 T2 T3 UV 3 BUSY 3 START 3 T4 UV 4 BUSY 4 START 4 READY STOP ERROR 1 The heads continue UV irradiation for a prese...

Страница 17: ...turned on individually by the respective external inputs The heads channels can also be controlled in pairs separately using two foot SWs if foot SW 1 is assigned to CH1 and CH2 and SW 2 to CH3 and C...

Страница 18: ...lly used 2 Setting of the manual mode by using an external signal When the MNL external signal is turned on the mode changes from AUTO to MNL In the MNL mode while the external START signal START 1 2...

Страница 19: ...e set by UJ20 1 Input the MNL signal to switch to manual mode When the mode is switched the READY signal will be turned off 2 While the START 1 2 3 4 signal stays on the corresponding CH head continue...

Страница 20: ...signal status of TYPE Cng1 to 4 as shown in the table below COM READY TYPE Cng1 TYPE Cng2 TYPE Cng3 TYPE Cng4 COM Signal TYPE Cng4 TYPE Cng3 TYPE Cng2 TYPE Cng1 Pin No 8 7 6 5 00 OFF OFF OFF OFF 01 OF...

Страница 21: ...re changed While the READY signal is on the irradiation pattern can be switched by changing the input status of the TYPE Cng1 to 4 signals When a pattern that is not registered in UJ20 is specified by...

Страница 22: ...essed and the UV irradiation was stopped before completion Clarify and remove the cause Hold down the SET SW and input the STOP signal again to reset the error The irradiation was stopped before compl...

Страница 23: ...ons are not met Remedy 1 Ensure that the shorting bar between terminals 11 and 12 is not detached This EMER circuit must be normally closed If the EMER signal is off an emergency stop is made and the...

Страница 24: ...l current from the START terminal of the ON controller passes the START terminals of the OFF controllers their internal boards and then the GND terminals The leak current will cause the controller to...

Страница 25: ...y 14 BUSY 1 ON during CH1 irradiation 15 BUSY 2 ON during CH2 irradiation 16 BUSY 3 ON during CH3 irradiation 17 BUSY 4 ON during CH4 irradiation 18 ERROR Error signal 19 ALARM Warning signal temperat...

Страница 26: ...tacts of a footswitch for example PLCs and other open collectors can be directly connected Equipment design Input specifications Open collector Tr or no voltage input such as a relay Contact input Non...

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