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Function Manual

Edition

Medium voltage converters

Two-channel firing pulse inhibit

SINAMICS MV

www.siemens.com

07/2021

Содержание SINAMICS MV

Страница 1: ...Function Manual Edition Medium voltage converters Two channel firing pulse inhibit SINAMICS MV www siemens com 07 2021 ...

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Страница 3: ...SINAMICS Two channel firing pulse inhibit Function Manual 07 2021 A5E51227986A Introduction 1 Safety instructions 2 Description 3 Preparing for use 4 Operation 5 Wiring A ...

Страница 4: ...ho based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products Note the following WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation If products and components from other manufacturers are used these must...

Страница 5: ...ating and deactivating the firing pulse inhibit 13 3 3 1 2 Deactivating the firing pulse inhibit and restarting 14 4 Preparing for use 15 4 1 Wiring for cable lengths exceeding 30 m 15 5 Operation 17 A Wiring 19 A 1 Wiring overview 19 A 2 Checking the wiring when the function is retrofitted 20 A 2 1 Wiring to the tripping device 20 A 2 2 Wiring to the PSAs in the power unit 21 Two channel firing p...

Страница 6: ...Table of contents Two channel firing pulse inhibit 4 Function Manual 07 2021 A5E51227986A ...

Страница 7: ...he light emitting control This documentation addresses the following persons System integrators Commissioning engineers Service personnel of the SINAMICS medium voltage converter Text format features You can find the following text format features in these instructions 1 Handling instructions are always formatted as a numbered list Always perform the steps in the order given Lists are formatted as...

Страница 8: ...Introduction 1 1 About these instructions Two channel firing pulse inhibit 6 Function Manual 07 2021 A5E51227986A ...

Страница 9: ... material damage Apply the appropriate protective measures to avoid danger to people resulting from the motor coasting down after the power supply has been disconnected Danger of the motor jerking into motion from standstill When certain faults occur in the Power Module brief jerking of the motor into motion from standstill cannot be ruled out The simultaneous destruction short circuit or breakdow...

Страница 10: ...lse inhibit function causes the firing pulses to be inhibited Due to the inherent operating principle the firing pulses are inhibited after a short delay time The recommended delay time setting at the 3SK11 safety relay is 0 5 seconds Death and severe injury can occur if the delay time is not strictly observed After externally activating the Two channel firing pulse inhibit function always wait un...

Страница 11: ...k when designing your machine and where necessary apply suitable countermeasures mechanical brakes for example 3 1 Structure The structure of the Two channel firing pulse inhibit function is shown in the following diagram 6DIHW UHOD 3RZHU VXSSO 3 ORVHG ORRS FRQWURO FDELQHW 2XWSXW GHOD 2XWSXW GHOD 3RZHU XQLWV DQG 3RZHU XQLW ODUP WULJJHULQJ HHGEDFN FLUFXLW IHHGEDFN HHGEDFN FLUFXLW IHHGEDFN 6KLHOGLQJ...

Страница 12: ... are supplied with the same voltage Siemens 3SK1122 2CB4x safety relay included in the scope of delivery of the option Terminal Connection A1 A2 IN1 Sensor channel 1 IN2 Sensor channel 2 PAR NO contact NC contact evaluation INS START pushbutton circuit INF Feedback circuit INK Cascade circuit functional switching T1 Test output 1 for IN1 PAR T2 Test output 2 for IN2 PAR Q1 Instantaneous safety rel...

Страница 13: ...dispensable when it comes to operating the converter the function of the two channel firing pulse inhibit is an independent hardware solution without the necessity of having to use software components for the control Having said that the control is integrated into the switching sequence and serves to additionally monitor the function Note Firmware version The evaluation of the firing pulse inhibit...

Страница 14: ...addition the current actual values that are received from the PSAs via the DRIVE CLiQ connection are monitored in the Control Unit After a firing pulse inhibit if the current actual value of a converter is not equal to zero then the Control Unit opens the line side circuit breaker via a digital output of the TM15 If a DRIVE CLiQ communication error occurs between the Control Unit and the PSAs then...

Страница 15: ...JQDO LQDU LQSXW DW WKH 8 UHFHLYHV D VLJQDO 7KH 36 LQKLELWV WKH ILULQJ FRPPDQGV HOD HG RXWSXWV RI WKH VDIHW UHOD VKXWGRZQ 3RZHU VXSSO RI WKH 2 WUDQVPLWWHU IRU ILULQJ FRPPDQGV LV ZLWKGUDZQ RQ WKH 36 SRZHU IHHG WR WKH PRWRU LV VDIHO LQWHUUXSWHG 6ZLWFK RQ VHTXHQFHU RI WKH FRQYHUWHU LV DW VZLWFKLQJ RQ LQKLELW Q Figure 3 2 Activating and deactivating the firing pulse inhibit Description 3 3 Functions Tw...

Страница 16: ...W VZLWFKLQJ RQ LQKLELW LQDU LQSXW DW WKH 8 UHFHLYHV D VLJQDO 7KH SRZHU VXSSOLHV RI WKH 2 WUDQVPLW WHUV IRU ILULQJ FRPPDQGV DUH HQDEOHG DJDLQ 3RZHU FDQ EH DJDLQ IHG WR WKH PRWRU RQYHUWHU VHTXHQFH FRQWURO DFNQRZOHGJHG 7KH GULYH LV UHVWDUWHG E WKH V VWHP VLGH FRQWURO 6 VWHP FRQWURO LVVXHV 2SHUDWLQJ UXQ HQDEOH Figure 3 3 Deactivating and restarting the drive Description 3 3 Functions Two channel firin...

Страница 17: ...her information in the Industry Mall https support industry siemens com cs ww en view 91198365 Wiring 1 Connect the cable shield at both ends in the controller cabinet and the converter cabinet Install the cable in a protected duct 2 Connect the shield between the safety relay and PSA to a suitable point in the cabinet connection area customer terminals The internal cabinet wiring is implemented i...

Страница 18: ...Preparing for use 4 1 Wiring for cable lengths exceeding 30 m Two channel firing pulse inhibit 16 Function Manual 07 2021 A5E51227986A ...

Страница 19: ...nctions The system integrator must supply and implement these higher level functions and they will not be discussed here WARNING Danger due to coast down of the motor When the Two channel firing pulse inhibit function is activated while the machine is rotating then the motor coasts down if it has not yet come to a stop Incorrect use can result in death serious injury or substantial material damage...

Страница 20: ...Operation Two channel firing pulse inhibit 18 Function Manual 07 2021 A5E51227986A ...

Страница 21: ...ivate HHGEDFN FLUFXLW IHHGEDFN KDQQHO HHGEDFN FLUFXLW IHHGEDFN KDQQHO HHGEDFN FLUFXLW IHHGEDFN KDQQHO HHGEDFN FLUFXLW IHHGEDFN 2QO LI D VHFRQG V VWHP SXOVH DSSOLFDWLRQ H LVWV PP SURWHFWHG 6DIHW UHOD 6 LULQJ LQWHUIDFH IRU SXOVH DQG RU SXOVH DSSOLFDWLRQ PDUNHG LQ UHG 7 7 1 1 47 47 1 7 RPPRQ 47 47 1 7 RPPRQ 36 36 Two channel firing pulse inhibit Function Manual 07 2021 A5E51227986A 19 ...

Страница 22: ...uit fault at the input LED Status 1 device Off 2 Out Off 3 IN Yellow flashing 4 SF Red If you have correctly wired up the circuit when the firing pulse inhibit is not activated the safety relay LEDs indicate Device ready for operation all outputs active LED Status 1 device Green 2 Out Green 3 IN Green 4 SF Off 2 Check signal Firing pulse inhibit request to the Control Unit for pulse inhibit If the...

Страница 23: ... Green 3 IN Green 4 SF Off If a fault has occurred in the feedback circuit Feedback input INF at the safety relay then the LED display signals fault Device ready feedback signal fault LED Status 1 device Green 2 Out Green flashing 3 IN Green 4 SF Red flashing The LEDs indicate that when withdrawing deactivating the external firing pulse inhibit sensor circuits IN1 and IN2 are activated the feedbac...

Страница 24: ...Wiring A 2 Checking the wiring when the function is retrofitted Two channel firing pulse inhibit 22 Function Manual 07 2021 A5E51227986A ...

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