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QM range App Note, document number 260283, rev 15 

Page 17 of 48 

SC Modules 

 
The output voltage can be adjusted across the range shown in the 
datasheet by using the potentiometer situated to the right of the signal 
connector.  Turning the potentiometer clockwise increases the output 
voltage. 
 
The remote sense provides compensation for a maximum total load cable 
drop of 0.5V for the output. The voltage at the output terminals must be 
within the specified adjustment range. See the Remote Sense section in 
the POWER SUPPLY OPERATION chapter for connection advice. 
 
 
 
 

Signals 

 
The Module Good signal is an isolated (200V from the output) opto-coupler transistor output. The maximum 
current allowed through the transistor is 1mA. This signal provides an indication that the output is above 90% of 
the output set voltage.  The transistor is on when the output is “good”.  
 

 

 
Module inhibit is an isolated opto-coupler diode input.  Passing a minimum of 1mA through the diode will inhibit 
(turn off) the output of the module). 

 

 

 

Содержание QM Series

Страница 1: ...QM range App Note document number 260283 rev 15 Page 1 of 48 QM AC DC Modular Power Supply Series APPLICATION NOTES...

Страница 2: ...les 11 Signals 11 Signal ratings 12 Connector pin out for signals 13 Molex mating connectors and pins 13 SA Modules 14 Connector pin out for signals on 5V modules only 14 Molex mating connectors and p...

Страница 3: ...acitor life calculations 36 10 EMC PERFORMANCE 37 Conducted and Radiated Emissions Result for a QM7 37 Installation for Optimum EMC Performance 38 Mounting 38 EMC Susceptibility 38 Cables 38 PMBus Opt...

Страница 4: ...Command 9Eh 46 Runtime Command C4h 46 Power Cycle Count Command C5h 46 S W Version Number Command C6h 46 Miscellaneous Commands 46 Capability Command 19h 46 PMBus Revision Command 98h 47 LINEAR11 Dat...

Страница 5: ...w Input Fuses One E input fuse option or two D input fuse option internal fuses are fitted The fuses are not user serviceable and are fast acting rated 25A 250Vac HBC types Input Undervoltage The powe...

Страница 6: ...utput the voltage and current selectable at the time of ordering The output is always present provided AC is applied to the QM PSU on off Is controlled through an isolated opto coupler diode input Pas...

Страница 7: ...AC is applied to the QM The Fan Fail signal Provided by an internal FET which is referenced to pin 12 of the option connector Pin 4 is the FET drain and pin 12 the source This signal provides a warni...

Страница 8: ...ection Standby 2 Standby 2 Standby 2 Standby 3 Standby 1 No connection 4 Standby 1 Fan Fail 5 PSU on off Anode Address 0 6 PSU on off Cathode Address 1 7 AC Fail Collector Address 2 8 AC Fail Emitter...

Страница 9: ...max x V1 actual set point V1max Maximum adjustment voltage as shown in the datasheet For example Signals The Module Good signal is an isolated 200V from CH1 opto coupler transistor output The maximum...

Страница 10: ...n out for signals Pin Function 1 Do not connect 2 3 Module good collector 4 Module good emitter 5 Module inhibit anode 6 Module inhibit cathode 7 Do not connect 8 9 10 Molex mating connectors and pins...

Страница 11: ...connection advice To improve the transient load performance it is recommended that a 120 F low ESR electrolytic capacitor is fitted across the output terminals To reduce susceptibility to Electrical...

Страница 12: ...to PSU Uncommitted optocoupler transistor Vce max 30V Ic max 1mA Ch2 good signal Signal type internal to PSU Uncommitted optocoupler transistor Vce max 30V Ic max 1mA Module inhibit signal Signal typ...

Страница 13: ...9 Module Inhibit Anode 10 Module Inhibit Cathode 11 CH1 Sense 12 CH1 Sense Molex mating connectors and pins Contact Molex for other pin alternatives Description Molex part number TDK Lambda part numb...

Страница 14: ...on advice Connector pin out for signals on 5V modules only Pin Function 1 No connection 2 3 4 5 6 7 Remote Sense 8 Remote Sense 9 No connection 10 Molex mating connectors and pins Contact Molex for ot...

Страница 15: ...at the output terminals must be within the specified adjustment range See the Remote Sense section in the POWER SUPPLY OPERATION chapter for connection advice Signals The Module Good signal is an iso...

Страница 16: ...gnals Pin Function 1 No connection 2 3 Module Good Collector 4 Module Good Emitter 5 Module Inhibit Anode 6 Module Inhibit Cathode 7 Remote Sense 8 Remote Sense 9 No connection 10 Molex mating connect...

Страница 17: ...at the output terminals must be within the specified adjustment range See the Remote Sense section in the POWER SUPPLY OPERATION chapter for connection advice Signals The Module Good signal is an iso...

Страница 18: ...gnals Pin Function 1 No connection 2 3 Module Good Collector 4 Module Good Emitter 5 Module Inhibit Anode 6 Module Inhibit Cathode 7 Remote Sense 8 Remote Sense 9 No connection 10 Molex mating connect...

Страница 19: ...or Turning the potentiometer clockwise increases the output voltage Signals The Module Good signal is an isolated 200V from the output opto coupler transistor outputs The maximum current allowed throu...

Страница 20: ...in out for signals Pin Function 1 No connection 2 3 Module Good Collector 4 Module Good Emitter 5 Module Inhibit Anode 6 Module Inhibit Cathode 7 No connection 8 9 10 Molex mating connectors and pins...

Страница 21: ...e drop of 0 5V for the output The voltage at the output terminals must be within the specified adjustment range Connect J1 Pin 8 to J2 Pin 7 See the Remote Sense section in the POWER SUPPLY OPERATION...

Страница 22: ...gnals Pin Function J1 Left Connector Function J2 Right Connector 1 No connection No connection 2 3 Module Good Collector Module Good Collector 4 Module Good Emitter Module Good Emitter 5 Module Inhibi...

Страница 23: ...e drop of 0 5V for the output The voltage at the output terminals must be within the specified adjustment range Connect J1 Pin 8 to J2 Pin 7 See the Remote Sense section in the POWER SUPPLY OPERATION...

Страница 24: ...gnals Pin Function J1 Left Connector Function J2 Right Connector 1 No connection No connection 2 3 Module Good Collector Module Good Collector 4 Module Good Emitter Module Good Emitter 5 Module Inhibi...

Страница 25: ...ng the potentiometer clockwise increases the output voltage Reconnect the two busbars and reapply AC power Confirm that the module has the desired output voltage Output voltage range Load to apply whi...

Страница 26: ...gnals Pin Function J1 Left Connector Function J2 Right Connector 1 No connection No connection 2 3 Module Good Collector Module Good Collector 4 Module Good Emitter Module Good Emitter 5 Module Inhibi...

Страница 27: ...25 of the desired voltage set point Turning the potentiometer clockwise increases the output voltage Reconnect the two busbars and reapply AC power Confirm that the module has the desired output volta...

Страница 28: ...gnals Pin Function J1 Left Connector Function J2 Right Connector 1 No connection No connection 2 3 Module Good Collector Module Good Collector 4 Module Good Emitter Module Good Emitter 5 Module Inhibi...

Страница 29: ...ules 10V 0 25 of the desired voltage set point Turning the potentiometer clockwise increases the output voltage Reconnect the two busbars and reapply AC power Confirm that the module has the desired o...

Страница 30: ...ignals Pin Function J1 Left Connector Function J2 Right Connector 1 No connection No connection 2 3 Module Good Collector Module Good Collector 4 Module Good Emitter Module Good Emitter 5 Module Inhib...

Страница 31: ...modules to compensate for voltage drops in the power connections to the load The remote sense lines may be connected as follows If remote sense is not required simply do not connect either sense or se...

Страница 32: ...this would need to be evaluated in each application Series Connection It is possible to connect two identical DH module outputs or two identical single output SB and SC modules in series The outputs c...

Страница 33: ...QM range App Note document number 260283 rev 15 Page 33 of 48 Ripple and Noise Measurement Power Supply Timing Configured as Low On Fail...

Страница 34: ...al temperatures are resumed the QM will automatically resume normal operation DH module If overheating occurs Channels 1 and 2 will turn off and the AC will need to be recycled DM module If overheatin...

Страница 35: ...Module 391 874 120 833 86 075 445 098 138 202 99 972 8V SB or SC Module 400 853 123 523 87 809 454 374 140 961 101 738 DM Module 576 948 202 903 151 994 636 358 225 539 170 575 DH Module 373 969 132...

Страница 36: ...ing Figures in hours Capacitor QM4 Converter QM5 Converter QM7 Converter QM8 Converter C10 252 813 158 895 208 653 208 653 C11 251 389 251 389 475 656 475 656 C2 167 146 167 146 176 676 176 676 C7 148...

Страница 37: ...MHz QuasiPeak dB V m Polarisation Limit EN55011 Class B dB V m Margin EN55011 Class B dB Limit FCC Class B dB V m Margin FCC Class B dB 47 76 32 2 V 40 0 7 8 40 0 7 8 51 60 31 1 V 40 0 6 9 40 0 6 9 5...

Страница 38: ...20 ns with a clock frequency of 100 kHz TDK Lambda recommends that the appropriate precautions are taken to improve EMC performance The following will help with both emissions and immunity performance...

Страница 39: ...Where signal or control ports are connected to a user accessible panel for example PSU inhibit to a switch module good to an indicator circuit etc these ports must be protected from electrostatic disc...

Страница 40: ...Chassis 1766 Standby Signals Option xxL 27 Standby Signals Option xxH 57 1 Slot Module DH or DM 196 1 Slot Module SA 120 1 Slot Module SB 180 2 Slot Module SC 256 2 Slot Module YC or ZC 371 3 Slot Mod...

Страница 41: ...rdware Interface 1 2 PMBus Options Board Connector 3 4 5 6 7 8 9 10 11 12 Standby V Out N C PMBus Address 0 SCL Clock SDA Data GND Standby V Out Fan Fail Out PMBus Address 3 PMBus Address 1 PMBus Addr...

Страница 42: ...nal may be generated by the slow running of either fan 1 or fan2 if fitted The Fan Fail Out indication is latching and remains indicating until reset by PMBus command 81h or cycling the power to the u...

Страница 43: ...R C6h Read Word Special format More details for each command are given in the sections below Controlling the Module Outputs of the Unit Modes of Operation There are 6 distinct modes of operation 1 Mod...

Страница 44: ...Control Pin is LOW 1Dh Note that the operating mode is persistent across a power cycle of the QM unit Operation Command 01h When a unit is in an operating mode dependent upon the PMBus Command modes 2...

Страница 45: ...To clear an indicator write a 1 to the relevant bit Clearing bit 0 will clear all bits in the STATUS_FANS_1_2 byte STATUS_FANS_1_2 Status Byte Command 81h The following bits of the STATUS_FANS_1_2 sta...

Страница 46: ...s a 10 character ACSII string Runtime Command C4h Read Block transaction type The data is returned as a 32 bit unsigned value as follows Byte 1 Least Significant Byte Byte 2 2 nd Least Significant Byt...

Страница 47: ...to a unit the Status Byte should be read to determine if a communication error occurred during the transaction If a communication error occurred as indicated by Bit 1 of the Status Byte being set it s...

Страница 48: ...ell order Code 1901883 Digi Key Part Number 296 23114 ND RS Stock Number 819 7562 Mouser Part Number 595 USB TO GPIO References Ref 1 System Management Bus SMBus Specification Version 3 0 20 Dec 2014...

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