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1. DIAMOND SYSTEMS CORPORATION JUPITER MM SIO DC DC Power Supply PC 104 Module With 2 RS 232 422 485 Serial Ports User Manual V1 3 Copyright 2001 DIAMOND SYSTEMS CORPORATION 8430 D Central Ave Newark CA 94560 Tel 510 456 7800 Fax 510 456 7878 techinfo diamondsystems com www diamondsystems com TABLE OF CONTENTS 1 DESCRIPTION EE 3 2 BOARD DRAWING EE 4 3 1 0 HEADER ATI ell CHE 5 PC 104 BUS CONNECTORS ttiuti etine ttnet nu EAEn AEEA EARE AEAEE EEES AEEA EEEEE EREEREER EE REEERE EERE E REEE 5 MAIN INPUT POWER 4 6 AUXILIARY INPUT OUTPUT POWER J N 6 SHUTDOWN GONTROL HI8 EE 6 SERIAGPORT EN REENEN os ah tot abetamane 7 4 SERIAL PORT CONFIGURATION cjcccccecctcctrecccvetendew Neca eeevece NENNEN ENEE 9 PORT AND INTERRUPT REGISTER ADDRESS SELECTION ccccceccseeceseecseeecesueeeeeeuseueeeueeseueesaeueeaeuseueueeneneeaes 9 SERIAL PROTOCOL GELECTION emma aeaaea raaa ma mamami maaa aa aa eaaa maaana aaka homana akakana maaana aaaea a ai aeai 9 CONFIGURATION FOR RS 422 AND RS 485 Mons 10 RS 422 RS 485 CABLE ENDPOINT TERMINATION 10 INTERRUPT ENEE ege EEEE E EE Ee ege 10 INFERRU PI SHARING ee ee Eenheete 10 INTERRUPT PULLDOWN Heron 10 INTERRUPT STATUSHREGISTER mnan innn cv act theta cet Ea eh den acted tl a a aa 11 DEFAULT SETTINGS ccccccceccceececeececuuceeececuuceeaucecuuceeuueeeeaueeaueeaueeeaaceeauceeaeeeeaeeeaaueeauuesaeesaeeeaeeeeaeesaaeees 11 RS 485 TRANSMITTER CONTROL uiuunt tninn t nunn n nAn AEEA E
2. to be transmitted across the network On the Jupiter MM SIO an RS 485 port s transmitter enable signal is controlled by that port s RTS signal The RTS signal must be asserted driven low to enable the transmitter and deasserted driven high to turn off the transmitter Copyright 2001 Diamond Systems Corp Jupiter MM SIO User Manual V1 3 p 11 5 INSTALLATION All Jupiter MM SIO power supplies are load tested prior to shipping The supplies ship with all the external connectors required to start using your supply immediately Any connector not needed can be removed Select the serial port base addresses using J9 Refer to page 9 for instructions Select the serial protocol for each serial port using J7 and J8 Select the interrupt levels desired for each serial port using J10 and J11 PLO NS Connect a DC source to the Main power connector J4 or to the Auxiliary connector J5 The supply will operate with input voltages from 7 to 30VDC CAUTION VOLTAGES ABOVE 31V WILL BE SHUNTED TO GROUND THROUGH THE TRANSIENT VOLTAGE SUPRESSOR TVS THE TVS IS RATED FOR 1 500 WATT SURGES BUT IT MAY BE DAMAGED BY SUSTAINED VOLTAGES ABOVE 31V 5 Once the input voltage is in the valid range verify that the power output indicator LEDs in the lower left corner are illuminated This verifies your input power connections and the supply are fully functional Note that only indicators corresponding to the voltages available on the supply will be lit On th
3. EREA A EEEE EEREEEREEEREEEAEERE AEREE EEEE EEEE nenna 11 5 INSTALLATION Peeper nap a a i a a d a a t a e da 12 6 OUTPUT VOLTAGES AND CURRENTS cccccccesscsssecessecessecesseneueeusueneuenaeseeneuenaesenassenaeusoaessnaes 13 7 SPECIFICATIONS een ok oe cece a aa aa NENNEN ENNEN NEEN NENNEN 14 Copyright 2001 Diamond Systems Corp Jupiter MM SIO User Manual V1 3 p 2 JUPITER MM SIO DC DC Power Supply PC 104 Module With 2 Serial Ports 1 DESCRIPTION JUPITER MM SIO is a PC 104 format power supply module designed for mobile as well as stationary embedded applications The JUPITER MM SIO design incorporates a high efficiency DC DC converter circuit to provide power with minimum losses Power supply performance and reliability have been optimized through the use of precision surface mount components The Jupiter MM SIO series contains significant advances in mobile embedded power supply technology e Surface Mount Components To the maximum extent possible surface mount components have been used in the design to lower the profile and improve ruggedness An additional benefit to is the improved ability to use the PCB planes as a heat sink e High Efficiency High Frequency Design Efficiency is as high as 92 percent lowering input power requirements as well as heat generation The 200KHz switching circuit allows the use of smaller inductors reducing size and weight and allowing the board to fully fit within the PC 104 height requiremen
4. GND RXD 2 RXD 2 NC GND NC RS 485 Configuration NC NC TXD RXD 1 TXD RXD 1 GND NC NC NC GND NC NC NC TXD RXD 2 TXD RXD 2 GND NC NC NC GND NC Copyright 2001 Diamond Systems Corp Jupiter MM SIO User Manual V1 3 Serial Port Signal Definitions Signal Name Definition Direction RS 232 DCD Data Carrier Detect Input DSR Data Set Ready Input RXD Receive Data Input RTS Request To Send Output TXD Transmit Data Output CTS Clear To Send Input DTR Data Terminal Ready Output RI Ring Indicator Input RS 422 TXD TXD Differential Transmit Data Output RXD RXD Differential Receive Data Input RS 485 TXD RXD Differential Transmit Receive Bi directional TXD RXD Differential Transmit Receive Bi directional Common to all protocols GND Ground gt NC Not Connected Copyright 2001 Diamond Systems Corp Jupiter MM SIO User Manual V1 3 4 SERIAL PORT CONFIGURATION Please refer to the drawing of Jupiter MM SIO on page 4 for locations of the configuration items mentioned here Port and Interrupt Register Address Selection Each peripheral board in the computer system must have a unique I O address or block of addresses The Jupiter MM SIO actually uses five I O address blocks one for each of the four serial ports and one for the interrupt status register Each port s address block consists of 8 consecutive addresses while the interrupt status register occupies a single address The I O addresses are set w
5. R PINOUTS Jupiter MM SIO provides connections for input input output remote on off control and PC 104 bus All power I O connectors except the PC 104 bus connectors are located along the right side of the board The serial port connector is on the left side of the board PC 104 Bus Connectors for Power Lines For simplicity signal names are only shown for pins with power connections on board All remaining pins are not shown View from Top of Board J2 PC 104 16 bit bus connector J1 PC 104 8 bit bus connector Ground DO CO D6 C D8 C8 D9 C9 5V Ground Ground Key pin cut Ground Ground 5V 5V 12V 12V Key pin cut 5V Ground Ground Ground Copyright 2001 Diamond Systems Corp Jupiter MM SIO User Manual V1 3 pb Main Input Power J4 J4 consists of a 2 pin detachable screw terminal block The screw terminals will accept wire sizes from 18 28 gauge The input polarity is shown in markings on the board adjacent to the board mounted connector Positive Input Input Return Auxiliary Input Output Power J5 J5 consists of a 7 pin detachable screw terminal block The screw terminals will accept wire sizes from 18 28 gauge The input polarity is shown in markings on the board adjacent to the board mounted connector Positive Input Input Return 12V Output 5V Output Ground 5V Output 12V Output Shutdown Control J3 Shutdown may be implemented by shorting th
6. be controlled in this fashion are CTS DCD DSR and RI To force an input signal true on a port install a jumper next to that signal s name on the corresponding header for that port Jumpers should not be installed in these locations for RS 232 operation NOTE The positions TX and RX are not used for this purpose Installing jumpers in these locations has an entirely different meaning See Cable Endpoint Termination below RS 422 RS 485 Cable Endpoint Termination In RS 422 or RS 485 networks termination resistors are normally installed at the endpoints of the cables to minimize reflections on the lines Jupiter MM SIO provides 120Q resistors for this purpose To enable resistor termination install jumpers in the locations TX and RX of J7 or J8 for ports 1 or 2 respectively Termination is only needed and should only be used at the cable endpoints Installing termination resistors at additional points in the network may cause overloading and or failure of the line drivers Interrupt Levels J10 Port 1 interrupt configuration J11 Port 2 interrupt configuration Each serial port requires an interrupt level as well as a base I O address Two jumper blocks J10 and J11 are provided to select the interrupt level for each port from among levels 9 3 4 5 6 7 10 11 12 and 15 Install a jumper in the position corresponding to the desired interrupt level for each port A second jumper is usually required in the R p
7. e dual output version the 5V and 12V LEDs may be present on the board but will not be lit 6 Power down the supply Plug the supply into your PC 104 stack Your system is ready to use Copyright 2001 Diamond Systems Corp Jupiter MM SIO User Manual V1 3 p 12 6 OUTPUT VOLTAGES AND CURRENTS Jupiter MM SIO provides either 4 output voltages The outputs appear on the PC 104 bus headers J1 J2 as well as on the auxiliary I O connector J5 The table below lists the maximum ratings for each output voltage Output Max Current Notes 5V 10A Maximum rating achieved when only 5V output is used Power drawn from additional outputs will reduce the available power on this line 12V 2A 5V 0 1A 12V 0 5A All outputs on the Jupiter MM SIO power supply are protected against overload on the outputs The protection for each output circuit is slightly different 5V Current limited to 10A Above 10A the output voltage will drop to maintain maximum output of 50W A short circuit will shut down the entire supply 12V Current limited to 2A Above 2A the voltage will drop to 5V and output current can increase to 10A the 5V supply limit Above 10A the output voltage will continue to drop A short circuit will shut down the entire supply 5V Current limited to 0 1A 100mA A short circuit will shut down the output due to thermal protection in the output regulator IC Note t
8. e left column in the header to disconnect the resistor If two or more ports are sharing the same interrupt level install the jumper in the R position for any one of the ports and leave it off the others Copyright 2001 Diamond Systems Corp Jupiter MM SIO User Manual V1 3 p 10 Interrupt Status Register The interrupt status register indicates the status of each port s interrupt request line It operates regardless of whether interrupt sharing is enabled see below If two or more ports are sharing the same interrupt level the status register will still indicate the correct status of each port s interrupt request line en x x x x x x wr ar Definitions x Bit not used generally reads back as a 1 INT2 1 Status of interrupt request for each port 0 no interrupt request active for this port 1 interrupt request active for this port Default Settings The default settings for Jupiter MM SIO are as follows Protocol settings Both ports set for RS 232 protocol Jumpers 2 and 5 installed in locations J7 and J8 Address Interrupt settings J9 ABC In In Out Feature Address Interrupt level Port 1 100 3 Port 2 108 3 shared Interrupt Status 240 RS 485 Transmitter Control In an RS 485 network the same pair of wires is used for both transmit and receive signals Although any number of nodes can be listening simultaneously only one can be transmitting or have its transmitter turned on in order for valid data
9. e two pins on J3 together or driving a logic 0 into pin 1 Shutdown input Ground Mating Connectors for J3 J4 and J5 The part numbers for several compatible mating connectors are shown below Item Description Manufacturer Mfr No Digi Key No J3 board mount connector 2 pin friction lock Amp 640457 2 A1926 J3 mating connector 26 AWG Blue Amp 640622 2 A19112 J3 mating connector 24 AWG White Amp 640621 2 A19091 J3 mating connector 22 AWG Red Amp 640620 2 A19070 J4 board mount connector 2 pins 0 15 RA Phoenix Contact 1803277 277 1206 J4 screw terminals 2 pins 0 15 Phoenix Contact 1803578 277 1161 J5 board mount connector 7 pins 0 15 RA Phoenix Contact 1803329 277 1211 J5 screw terminals 7 pins 0 15 Phoenix Contact 1803620 277 1166 Digi Key is at www digikey com or 800 344 4539 800 Digikey Copyright 2001 Diamond Systems Corp Jupiter MM SIO User Manual V1 3 p 6 Serial Port Connector J6 Jupiter MM SIO provides a 20 pin header labeled J6 on the left side of the board for the 2 serial ports The pinouts below show both serial ports with the same protocol for illustration purposes only Each port can be configured independently See the following page for signal definitions RS 232 Configuration DCD 1 DSR 1 RXD 1 RTS 1 TXD 1 CTS 1 DTR 1 RI 1 GND NC DCD 2 DSR 2 RXD 2 RTS 2 TXD 2 CTS 2 DTR 2 RI 2 GND NC NC NC TXD 1 TXD 1 GND RXD 1 RXD 1 NC GND NC NC NC TXD 2 TXD 2
10. he four LEDs in the bottom left corner of the board These LEDs indicate the status of the four output voltages During normal operation all four LEDs should be lit with equal intensity If any LED is not lit or is only dimly lit a problem exists with that particular circuit Copyright 2001 Diamond Systems Corp Jupiter MM SIO User Manual V1 3 p 13 7 SPECIFICATIONS Input Power Input voltage Input ripple Transient protection Transient cutoff Output Power Output voltage current Total output power Output protection Output ripple Load regulation Efficiency Serial Ports No of serial ports Protocol Maximum baud rate Parameters Short circuit protection RS 232 mode Input impedance Input voltage swing Output voltage swing RS 422 RS 485 modes Differential input threshold Input impedance Input current Differential output voltage 7 30VDC lt 100mV RMS 1500W transient voltage suppressor 31V 5V 10A 12V 2A 5V 0 1A 12V 0 5A 50 Watts 5V Current limited to 10A short circuit shuts down supply 12V Current limited to 2A short circuit shuts down supply 5V Current limited to 0 1A thermally protected against short circuit lt 50mV RMS 5V output 50 load 3 5V DV 12V lines 8 12V line 80 to 92 based on load and input voltage 2 RS 232 RS 422 RS 485 Jumper selected 115kbps standard version 5 6 7 or 8 data bits Even odd or no parity All o
11. ith jumper block J9 located at the right edge of the board Eight different I O address combinations are selectable The address shown below for each port is the base address of that port i e the lowest address of the port s I O address block J9 Serial Port Address Selection A B Cc Port 1 Port 2 In In In 3F8 2F8 Out In In 3E8 2E8 In Out In 380 388 Out Out In 240 248 In In Out 100 108 Out In Out 120 128 In Out Out 140 148 Out Out Out 160 168 Serial Protocol Selection Interrupt Status 220 220 224 224 240 244 248 24C Different protocol configurations are possible for each serial port Protocol selection is made by installing jumpers in the positions indicated below in the configuration headers J7 or J8 depending on the port J7 Port 1 protocol configuration J8 Port 2 protocol configuration Protocol 1 2 3 4 5 6 RS 232 Out In Out Out In Out RS 422 Int Out Int Out Out Out RS 485 In Out Out In Out In Copyright 2001 Diamond Systems Corp Jupiter MM SIO User Manual V1 3 p 9 Configuration for RS 422 and RS 485 Modes When RS 422 or RS 485 modes are selected not all signals are used by the line drivers and receivers Depending on your software configuration you may need to force some inputs true so that your software will operate correctly Jumper blocks J7 and J8 provide a means to force the input signals true connect them to ground or logic 0 for ports 1 and 2 respectively The signals that can
12. osition as well see Interrupt Pulldown Resistor below Note Interrupt levels 3 7 and 9 are available on the standard 8 bit PC 104 bus header J1 If you are using an 8 bit bus these are the only levels available to you Interrupt levels 10 11 12 and 15 are available on the 16 bit PC 104 bus extension header J2 If you are using a 16 bit bus then all 10 levels are available to you Interrupt Sharing On the PC 104 bus a single interrupt level may be shared by multiple devices A device requesting service drives the line to a logic high level and when the device is serviced it tristates the line rather than driving it low This technique avoids contention by two devices trying to drive the same line with opposing logic levels Jupiter MM SIO uses this technique for the two serial ports To use the same interrupt level for both serial ports install a jumper in the same number location for both ports and install a jumper in the R location for only one port Interrupt Pulldown Resistor In order to guarantee valid logic levels on the line when the device is not requesting service each active interrupt level requires a 1KQ pulldown resistor Only one such resistor should be used on each active interrupt line Each interrupt configuration header on Jupiter MM SIO has a position marked R for enabling the pulldown resistor Install a jumper in this position to connect the resistor and remove the jumper or install it over 2 pins in th
13. ts e Advanced Design No Heat Sink is required Eliminating the heatsink reduces total weight a significant benefit for airborne applications Remote On Off Control The supply can be turned on and off with an external contact closure through an auxiliary connector e Dual Multiprotocol Serial Ports Two 16450 compatible serial ports offer RS 232 RS 422 and RS 485 protocol serial communications at speeds up to 115 2kbaud In many applications this can reduce the need for an additional board further reducing total system cost size and weight e Extended Temperature Operation Extended temperature 40 to 85 C operation is standard enabling the supplies to be used in vehicle applications and other harsh environments Copyright 2001 Diamond Systems Corp Jupiter MM SIO User Manual V1 3 p 3 2 BOARD DRAWING Serial Ports Shutdown N Input AN Power Ap In Out Power GND 5 12 g 5 8 g Factory Use Only E 5 S DN C 208 DIAMOND SYSTEMS CORP JMM SIO REV IEE Power Indicator LEDs J1 PC 104 8 bit bus header J2 PC 104 16 bit bus header J3 Shutdown control J4 Main power input J5 Power input output connector J6 Serial port connector J7 J8 Serial port protocol configuration J9 Serial port address configuration J10 J11 Serial port interrupt level configuration J12 Factory use only for programming Xilinx PLD Copyright 2001 Diamond Systems Corp Jupiter MM SIO User Manual V1 3 p 4 3 I O HEADE
14. utputs protected against continuous short circuit 3KQ min 30V max 5V min 7V typical 0 2V min 0 2V max 12KQ min 1 0mMA max Vin 12V 0 8mMA max Vin 7V 2 0V min Ri 50Q High low states differential output voltage symmetry 0 2V max Mechanical Size PC 104 bus Environmental Operating temperature Operating humidity Copyright 2001 Diamond Systems Corp 3 55 x 3 775 J1 64 pins and J2 40 pins stackthrough connectors installed 40 to 85 C 5 to 95 non condensing Jupiter MM SIO User Manual V1 3

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