ESO VME4ST BACKPLANE, Technical Manual

Page 1: ...ST BAC K PLANE TECH N ICAL M A NUAL V LT M AN ESO 17130 0992 ISSU E 1 DA TE 06 M AR 97 Prepared J Brynnel 06 MAR 97 Name Date Signature Approved W Nees 06 MAR 97 Name Date Signature Released M Ziebell...

Page 2: ...Page 2 06 Mar 1997 VME4ST Backplane technical manual Doc VLT MAN ESO 17130 0992 Change record Issue Date Part affected Remark 1 6 Mar 97 All First issue...

Page 3: ...to SP4 and SN1 to SN4 20 4 1 11 GND 21 4 2 VME4ST connector 22 4 2 1 PH1 to PH5 PH1 to PH5 23 4 2 2 VMH VML GNDB 24 4 2 3 5VA GNDA 25 4 2 4 DF1 DF4 26 4 2 5 UL UL LL and LL 26 4 2 6 EN 26 4 2 7 HPWR 2...

Page 4: ...ems 1 2 Reference documents RD1 VLT MAN ESO 17130 0991 ESO VME4ST 4 channel Stepper Motor Driver RD2 Technical description Benutzerhandbuch MAC4 STP Maccon GmbH 2 OVERVIEW 2 1 System The VME4ST backpl...

Page 5: ...R MOTOR AMP VME4ST P2 BACKPLANE 4 AXES 4 AXES CH1 CH2 CH3 CH4 LCU CPU F I F II F III F IV TO LAN ETHERNET MOTOR REFERENCE ENCODER LIMIT SWITCHES Fig 2 1 2 System block schematics Each function has acc...

Page 6: ...NE FIELD FUNCTION CONNECTOR ONE OF FOUR SHOWN LIMITS STEP BOOST EN FAULT LIMITS STEP BOOST EN FAULT REF POSITION ENCODER 5V MOTOR STOP LOCK P1 P2 P1 P2 5V MOTOR P S REF POS HOME ENCODER LIMIT SWITCHES...

Page 7: ...ws the backplane seen from the VME chassis rear or function field connector side From this side the user has access to the four function connectors CH1 CH4 screw terminals for connection of User Power...

Page 8: ...MAC4 connector Pin C B A 1 DIR3 2 DIR1 GND 3 STEP1 GND 4 STEP2 STEP3 5 A1 STEP4 6 A1 B1 7 Z1 B1 8 Z1 A2 9 B2 A2 10 B2 Z2 11 A3 Z2 12 A3 B3 13 Z3 B3 14 Z3 A4 15 B4 A4 16 B4 Z4 17 HPWR1 Z4 18 HPWR2 HPWR...

Page 9: ...ed 4 1 1 STEP1 STEP4 Motor step command signal Open collector type output from MAC4 to power amplifier Signals are routed from MAC4 connector to VME4ST power amplifier connector If the VME4ST amplifie...

Page 10: ...amplifier Signals are routed from MAC4 connector to VME4ST power amplifier connector A step pulse from MAC4 STP will result in a motor move in the following direction DIR output Motor moves DIR output...

Page 11: ...th this signal MAC4 STP controls the output stages of VME4ST amplifier as follows EN output Amplifier status EN output off High Output stage off no motor current EN output on Low Output stage on The s...

Page 12: ...utput low on Low current The status of this signal can be monitored on the front panel of VME4ST amplifier where two LED s HP and LP for each channel indicate motor power level LED LP Low Power LED HP...

Page 13: ...ositive Z1 Axis 1 Encoder signal Z Negative MAC4 VME4ST VME4ST P2 BACKPLANE MOTOR CONNECTOR ONE AXIS VME BUS A A B B Z Z A A B B Z Z GND G N D SIGNAL A SIGNAL B SIGNAL Z Fig 4 1 5 1 Incremental encode...

Page 14: ...to 5V Solution B MAC4 STP on board Add one resistor network 8 x 6k8 9 pin to the solder side of MAC4STP See Fig 4 1 5 2 below Fig 4 1 5 2 MAC4 STP on board modification alternative 2 If the modificat...

Page 15: ...e jumpers BR8 BR12 BR16 BR20 on MAC4 STP to adapt the four DF inputs respectively for TTL level inputs If the jumpers are not closed the inputs are configured for 24V level inputs and will not work No...

Page 16: ...n table 4 1 7 MAC4 MAC4 base address Backplane address SW1 position1 1 0xC10000 1 ON OFF OFF X 2 0xC20000 2 OFF ON OFF X 3 0xC30000 3 ON ON OFF X 7 0xC70000 7 ON ON ON X Table 4 1 7 VME4ST backplane a...

Page 17: ...Page 17 06 Mar 1997 VME4ST Backplane technical manual Doc VLT MAN ESO 17130 0992 MAC4 P2 VME4ST P2 SW1 4 3 2 1 ON OFF Fig 4 1 7 2 Backplane address switch SW1 location...

Page 18: ...it is required to supply this input with 12 24 VDC If this input is left unconnected MAC4 STP will not operate For this purpose a DC DC converter generating 15 VDC is located on the VME4ST backplane s...

Page 19: ...ce position MAC4 STP VME4ST VME4ST P2 BACKPLANE MOTOR CONNECTOR ONE AXIS VME BUS OPTO COUPLER RS G N D OPTO COUPLER V C C FUSE 1 5A HOME 5V 5V USER REFERENCE SWITCH EXTERNAL 5V GNDA Fig 4 1 9 Referenc...

Page 20: ...h input circuitry is shown Upper and lower limit switch inputs are identical In the figure only one input is shown If a limit switch input is activated VME4ST amplifier will shut off motor current imm...

Page 21: ...ween VME ground and P2 field connector All inputs and outputs to from the MAC4STP are isolated by opto couplers On VME4ST amplifier there is a connection between VME bus ground and Backplane ground Al...

Page 22: ...9 PH3 PH3 PH3 PH3 10 PH4 PH4 PH4 PH4 CH1 11 PH5 PH5 PH5 PH5 MOTOR1 12 13 DF LCK LL UL 14 LCK LL UL 15 EN HPWR STEP DIR 16 17 PH1 PH1 PH1 PH1 18 PH2 PH2 PH2 PH2 19 PH3 PH3 PH3 PH3 20 PH4 PH4 PH4 PH4 CH...

Page 23: ...ons are routed from VME4ST amplifier to motor connectors CH1 CH4 MAC4 STP VME4ST VME4ST P2 BACKPLANE MOTOR CONNECTOR ONE AXIS VME BUS G N D GND MOTOR PH1 ISOLATION P1 P2 P1 P2 MOTOR SUPPLY MOTOR POWER...

Page 24: ...upply voltage Connects to four terminals VMH VMH VML VML on the VME4ST backplane see fig 3 1 and fig 4 2 1 Both VMH and VML are connected to GNDB Motor power ground Note 1 The motor supply ground is g...

Page 25: ...use this pin for example to supply an encoder or not If the pin is used please note the following Note 1 Be sure not to overload the VME power supply Note 2 This is the VME supply and thus a galvanic...

Page 26: ...LL Limit switch UL Upper Limit LL Lower Limit inputs to VME4ST amplifier See sect 4 1 10 4 2 6 EN Enable input to amplifier from MAC4 STP See sect 4 1 3 4 2 7 HPWR Motor power control input to amplif...

Page 27: ...hanical functions When an interlock input is activated no current through opto coupler LED the corresponding axis motor power stage will be disabled thus preventing any motor movement MAC4 STP VME4ST...

Page 28: ...Operation without using LOCK inputs 2 Operation using LOCK inputs with external potential free contact 3 Operation using LOCK inputs with external current source These three alternatives are described...

Page 29: ...th correct polarity Note 2 The user must externally limit the VME4ST amplifier opto isolator current not to exceed a maximum of 20 mA 4 2 11 STOP and STOP This is a global input which will operate dis...

Page 30: ...r field connectors CH1 CH4 see fig 3 1 have the same electrical pin out and can be interchanged It is strongly recommended to use a shielded twisted pair cable for the motor and a separately shielded...

Page 31: ...PH5 16 24 15 A A 14 13 B B 4 3 Z Z 22 21 E ENCODER OPTIONAL SPA SPB 20 19 UL LL 12 2 HOME 1 SH 11 SP1 USER DEFINED SP2 USER DEFINED UPPER LIMIT N C LOWER LIMIT N C REFERENCE POS N C 5VA 5 VX 23 GNDA...

Page 32: ...tor The limit inputs are distributed to MAC4 STP controller and VME4ST amplifier internally on VME4ST backplane Limit signals are not latched on either MAC4 STP nor VME4ST amplifier and thus the user...

Page 33: ...pment related to the motorised function Note that the reference for this voltage is GNDA VME ground Rule To avoid damage to externally connected devices encoders limit switches etc supplied from VX th...

Page 34: ...verload the VME bus supply Note 3 The supply is not available when the VME4ST amplifier is removed from the VME chassis 4 3 7 SPA SPB Each motorised function connector has two user defined pins for ge...

Page 35: ...4 Motor power supply connection The motor power supplies VMH and VML shall be connected to the four terminals VMH VMH VML and VML see Figs 3 1 and fig 4 2 1 Motor power supply is connected to VME4ST...

Page 36: ...fficult to insert or extract the power amplifier board unless the alignment is carefully made It is recommended to use a plastic insulating strip between the backplane board and the VME chassis profil...

Page 37: ...Page 37 06 Mar 1997 VME4ST Backplane technical manual Doc VLT MAN ESO 17130 0992 __oOo__...