CH Tech EM405D User's Manual
Contents
1. Module did not respond Note Applies to M module requests only 17 Successful 0x00 The command completed successfully without error Invalid Command 0x01 The first byte received was not a valid command id value from the list in Table I Invalid Parameter 0x02 The EM405D received a valid command however the command could not be completed because one of the command parameters was invalid or out of range Refer to the description of each individual command for parameter details Module Did Not Respond 0x03 The EM405D received a valid command with valid parameters however the specified module did not respond to the access This error code applies to M module accesses only The error code could result from the specified M module being absent the specified address being outside the range of addresses supported by the particular M module or more serious hardware problems with the M module itself Once any of the above status codes are returned the EM405D will set the Reset Error RERR status bit in the EM405D Reset Error and Manufacturer ID register refer to section 4 3 5 for details on this register and cease responding to further commands except the Read Data and Write Data commands to the Reset Error and Manufacturer ID register To recover from this condition the user must clear the RERR bit by writing a 1 to that bit location 1n the Reset Error and Manufacturer ID register This functionality is implemented2. 11b Rugged steel aluminum enclosure 5 6 W x 8 5 D x 1 5 H 12V power input through standard 2 5mm jack or 9 pin DSUB Variable speed forced air cooling with software temperature status D16 M module accesses supported Flexible block access command provides rapid sequential and FIFO data accesses External trigger input output and inter module triggers supported Isolated and filtered 5V 12V and 12V supplies for each M module Interactive Mezzanine Control IMC software available 1 2 2 Specifications MAXIMUM RATINGS Parameter Condlion Rang Unis Operating Temperature J DJ Sam so Non Operating Temperature DD o G pute ria O e Vma Power Consumption Support for two M modules at full power External Trigger Input Power Off 40 V Power On 36 V CHARACTERISTICS Parameter Conditions Data Transfers Throughput Wired Ethernet block read bytes sec Wired Ethernet block write bytes sec Wireless Ethernet block read bytes sec Wireless Ethernet block write bytes sec Input Power Supply C eunen torta Memodale suppon 2 A ppehoe 20MHbmdm mh as sis Power Consumption Carrier 0001 wired Ethernet a wireless Ethernet vi M modules each position i o e 12V Triggers OupMLevel into a high impedanceload 38 so 54 v Toumputimpedane 7 T a l8
3. 2 7 Performing the Configuration Wireless Ethernet W1 F1 c2 15 42 7 1 Wed based ONIS Ural 16 42 12 Restorine Factory Derrick 16 4 3 COMMUNICATING WITH THE CARRIER AND M MODULES 17 A Dok AAA A E 17 AS Write ID ata COMMA aa a 19 459 Read Daa Cyan nee ee ei Hehe 19 432 BISCK CC CSS eones 20 AD bel Block Write command nenne an ee 21 4 342 BIOCK Red HIT een 22 4 3 5 EM405D Configuration Status Registers SH nh o 23 44 CONTROLLING PHE TRIGGER Sunat an a 26 4 5 PAN AND TEMPERATURE CONTROL usa an 21 APPENDIX A CONNECTORS use U ee hanes A 1 APPENDIX B WIRED ETHERNET DEFAULT SETTINGS 222200000000000000000000000000000 B 1 APPENDIX C WIRELESS ETHERNET WI FI DEFAULT SET TINGS C 1 LIST OF FIGURES Figure 1 EM405D Ethernet M Module aTTI T 5c lt lt lt lt 2061111111333 11 1111111115811 11111111 x4 Eis re2 Memodtule Installation tie 5 Fis re gt MANIAC ontieuration DIAL ne n E E 6 Eis re4 F nctonal Block Diastase ae 7 Piette Rear Panel ia 8 Bisur A ine Rente nee nee 9 Figure 7 EMAU SD BC T9 LCT ia aan 24 Eis re Act 9 PN DSUB Cone Clr area en a A 1 LIST OF TABLES Table L Command OO AA O 17 Table IE tata Codo SC see a e eae ein enter EOS 17 Table TIL Register Simna y suche cantatas il 23 Table Bai Ethernet Interface Default Seno Sai ee Eu a B 1 Table C 1 W
4. H 1 This bit is set if a command error occurs If an error exists only reads or writes to this register are allowed The RERR bit must be cleared by writing a 1 to this bit before normal command operation will resume See 4 3 1 for further details Device Identification eg 02 Byte Bihi AAA a a AO A AAA AA E V cv Writer Read ETH o 0 0 ETH Ethernet Type 0 wired 1 wireless Wi Fi DID gt Device ID always FDBj6 EM405D Hardware Version Reg 04 Byte Bul 2 AA AOL AE EA DE 202 ET SAO AS Write Read HW Major gt Major Version Level of EM405D Hardware HW Minor gt Minor Version Level of EM405D Hardware Firmware Version Reg 06 ee es ee Binda I e i ae ee i A Write Read Only Read Only Read FW Major gt Major Version Level of EM405D Firmware FW Minor Minor Version Level of EM405D Firmware Figure 7 EM405D Registers 24 Reset amp Trigger Control Reg 08 By ee Bie a AE 00 a a ST REI E E Wa a 10 A j U Write Read RSTB gt Reset M module B 0 normal 1 reset RSTA gt Reset M module A 0 normal 1 reset l TLVL gt External Trigger Input Threshold Level 0 2 5V 1 1 4V TIMP gt External Trigger Input Impedance 0 high gt 100KQ 1 50Q BTBD gt Module B Trigger B Direction 0 input 1 output BTBM Module B Trigger B Mode O O Disabled O 1 to from External Trigger 1 O to from Module A Trigger A 1 1 to from Modu
5. and DHCP have separate enable disable settings AutoIP enabled is the default setting Static For the wired EM405D manually setting the IP address to something other than 0 0 0 0 will configure the EM405D to use the IP address specified For the wireless EM405D DHCP must be disabled and the IP address must be manually set The configured IP address will remain static even after power 1s removed from the module For proper operation the IP address must be chosen according to the network the module is being connected to 11 RECOMMENDATION The EM405D is an embedded device without an input device or display that can be used to determine the current configuration of the device This can cause difficulties in determining at what IP address to access the module For this reason it is highly recommended but not required that the EM405D be configured to use a static IP address 4 2 2 Subnet Mask The subnet mask defines the number of bits that are taken from the IP address to refer to the given network subsection The subnet mask allows Ethernet based networks to be separated into various subnets The EM405D should be in the same subnet as the controlling PC The default subnet mask is 255 255 255 0 4 2 3 Gateway The gateway address allows the EM405D to communicate with other network segments If communication outside of the given network segment is necessary the gateway address should be set to the IP address of the router connecting
6. default values as set my C amp H during manufacturing of the EM405D If the carrier fails to operate verify that these settings are set to their default values prior to calling C amp H for technical support Settings that are emphasized in bold italics are required settings that if changed will render the carrier inoperable Table B 1 Ethernet Interface Default Settings a E Serial Settings Dat tn Stop bits FE Be SSO UDP Datagram Mode Passive Connection co The EM405D will operate with any port number however many software applications expect the port to be set to the default as shown in this table Changing the port number will not render the EM405D inoperable but may render these software applications inoperable B 1 Table B 1 Ethernet Interface Default Settings continued Active Connecion AAA Disconnection IO Disconnect with EOT Disconnect with DTRDrop AT S Connection LED a Buffer Flushing pc Flush Output Buffer pc Flush Input Buffer p 00 00 On Passive Connection On Active Connection AA CEN ET Match Byte O MatehBytel O AAA AAA NA Disable Hard Disconnect N A B 2 Table B 1 Ethernet Interface Default Settings continued Email Notification O O Host List IA J _ XPort 03 CPU Performance B 3 APPENDIX C WIRELESS ETHERNET Wi Fi DEFAULT SETTINGS The Et
7. inside the EM405D enclosure CAUTION The following procedure requires opening the EM405D enclosure and applying power while the PCB is exposed Use extreme caution when attempting to perform the procedure as to not damage the carrier or any of its components To restore the factory defaults 1 Turn power Off 2 Remove the front panel cover by removing the two screws located at the sides of the panel Do not remove the screws located on the bottom of the enclosure 3 Slide the top cover of the enclosure forward exposing the rear portion of the PCB 4 Locate the tiny push button switch near the Ethernet device bottom right hand corner of the PCB when the carrier is oriented as shown in Figure 3 5 Using a finger or a tool such as the eraser end of a pencil press and hold the button 6 While holding the button down turn the device On 7 Continue holding the button pressed until the amber colored LED on the back of the Ethernet device flashes a 1 5 1 sequence 8 Once the 1 5 1 sequence is complete the device has been reset to its factory defaults and the user may release the button 9 Re assemble the EM405D by sliding the top cover back into place and re installing the front panel 16 The defaults that are restored using the above procedure are those set by the manufacturer of the Ethernet device and not by C amp H Technologies Inc The default settings of the carrier as received from the factory at C amp H are differ
8. so that when the EM405D recognizes an error at the beginning of a command it can search the buffer for the next command without having to send a status code response for each byte remaining in the buffer For example assume this functionality didn t exist and the user wanted to perform a block write with a 1024 byte block The full command for this action including data requires 1033 bytes to be placed into the EM405D s buffer If the third byte in the command is an invalid parameter the EM405D would return an Invalid Parameter 0x02 status code followed by one thousand and thirty Invalid Command OxO1 status codes one for each byte in the buffer after the invalid parameter By implementing this functionality the EM405D will ignore the one thousand and thirty bytes and any following bytes in the buffer unless the command is a Read Data or Write Data of the Reset Error and Manufacturer ID register or until the RERR bit is reset to 0 The software must be written such that it checks for error conditions and performs the appropriate action to reset the RERR bit In most cases error conditions are generated by errors in the software source code therefore once the software has been debugged and verified error codes will rarely if ever be received 18 4 3 2 Write Data command The Write Data command writes data to an EM405D control register or to a register residing on an M module The command consists of seven bytes including the co
9. 4 bytes starting at address 0x4 starting address 0x4 block size 32 number of blocks 1 address increment don t care Example 2 Read 32 words 64 bytes from a FIFO at address 0x8 starting address 0x8 block size 1 number of blocks 32 address increment 0 Example 3 Read 32 words from two FIFOs one at address 0x8 and another at address OxA starting address 0x8 block size 2 number of blocks 32 address increment 0 20 Example 4 Read 32 words starting at address 0x0 followed by 32 words starting at address 0x80 Starting address 0x0 block size 32 number of blocks 2 address increment 128 4 3 4 1 Block Write command The Block Write command writes a block of data to an M module A maximum of 1024 bytes can be written in a single command The number of bytes written in any given command is equal to number of bytes number of blocks block size word size The block write command consists of nine command bytes and any number up to 1024 of data bytes The return value is a single status byte indicating the success of the command Command Syntax 0x40 md as ws ad ai nh nl bs d1 d0 Return SC where md module 0 invalid 1 M module A 2 M module B as address space 0 I O 1 future use ws word size 2 16 bit word other values for future use ad starting address 0 to FF al address increment number to increment address by after each write nh number o
10. 514 A eee Advanced Network Settings Ze Port Profile Settings TCP Server Settings MO TCP Client Settings MA Automatically establish TCP connections IN NE Basic Serial Settings Data Bis l8 The EM405D will operate with any port number however many software applications expect the port to be set to the default as shown in this table Changing the port number will not render the EM405D inoperable but may render these software applications inoperable C 2 Table C 1 Wireless Ethernet Configuration Default Settings continued Advanced Serial Settings Enable Port Logging Enable RTS Toggle Enable RCI over Serial DSR Send Socket ID Send data only under any of the following conditions Send when data is present on the serial line Send after the following number of idle milliseconds True 12 ms Send after the following number of bytes 1024 Close connection after the following number of idle False seconds Close connection when DCD goes low Close connection when DSR goes low False False False False True False False False GPIO General Purpose Input Output Pins Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 p j p j p ar ara Alarms Alarm Notification Settings Enable Alarm Notifications zu alse Alarm Conditions Alarm 1 Alarm 32 alse Security Administrator Password Enable Password Authentication alse System System Settings Description Contact Location blank blank bla
11. A PP on iias 1 l i BURPOSEOBEOUPNENT ernsten 1 2 FEATURES AND SPECIPICA TION Sasse san ee J7 Key AUS era 122 22 SPCC MIC at ons een ti ae 2 a BLECTRIC AD een een 3 LA MECHANICAL ae a REED RE 3 S ENVIRONMENT iio 3 RO BUS COMPLTANO E across it 3 LF APPLICABLE DOCUMENTS ea ae 4 20 INSTALLATION seinen 5 Zl UNPACKINGAND INSPECTION see a 5 2 2 TAN DIEING PRECAUTIONS ee ame gt 2 3 INSTALLATION OF MEMODULES u ns iaa 5 30 FUNCTIONAL DESCRIPTION au iaaa aanaeio 20a 7 3 1 gt GENERAE ee RT 7 Lt Embedded Control ee ee 7 32152 Ethernet Intertoto islas 7 3 12 Memodule Interface nee ee 8 JLA Power CONVE a 143854 094055xss1uusasdslul sdgsvls3 64o9 13552uax sgidiee 8 JA REAR PAN i een er ii 8 33 FRONT PAN PE cone 9 40 OPERATING INSTRUCTIONS wisccsseccssnsssesieatiassseceassesecsscdesassaseddeatissscecencsceacascddsasessess 11 dl GENERA aio 11 4 2 CONFIGURING THE ETHERNET INTERFACE ccccccccccccnnncccconanonaccnnnnnnccnanoccnonononos 11 A Add E en en ne Ie ont eee nena ire ee tine eae eee heme etre ere Toe 1 4 22 SUDDEL Masken see een een 12 222 Ode Way diia 12 42 2 POLE NUMDErRS arena 12 4 23 Wireless SENE Sist idad 12 4 2 6 Performing the Configuration Wired Ethernet lt lt S2 13 n 0 DU Wed based ont tra o iaa 14 4 2 6 2 Telnet Onme uration ee AA A A 14 4 2 6 3 Configuring a Device with an Unknown IP address ccccccccconnnnnnncncnnnnnonnnoo 14 4
12. Input Level TLVL 0 2 5 Input Impedance TIMP 0 100K External Trigger Delay External connector to M module M module to external connector gt ns M module to M module 30 40 ns Cooling TempMERS 8 po Temperature Accuracy a e Notes 1 12 24ms latency occurs on each command issued The effect of this latency is reduced by transferring large amounts of data with a single block read command Maximum read throughput is achieved by reading gt 64K bytes of data from a FIFO type register on an M module using the Block Read command Host software may vary and can limit the maximum throughput 2 The maximum number of bytes that can be written in a single block write command is 1024 3 Ethernet is a non deterministic communications interface Realized throughput may be significantly degraded by network activity or other factors that may affect network performance 4 TLVL and TIMP refer to register bits in the Reset amp Trigger Control register Refer to section 4 3 5 1 3 Electrical The EM405D only requires a 12V DC power input The 12V input is internally converted to the 3 3V power required by the carrier and the 5V 12V and 12V power required by the M modules A maximum of 30 watts is required to support the carrier and two M modules operating at the maximum allowed power consumption The maximum allowed power consumption for each M module is 1A of 5V and 200ma each of 12V and 12V The EM405D uses power o
13. The Mezzanine Concept M Module Specification Approved May 20 1997 VMEbus International Trade Association 7825 E Gelding Dr Suite 104 Scottsdale AZ 85260 3415 E mail info vita com www vita com IEEE 802 3 ANSI 8802 3 Ethernet Network Standard IEEE 802 11b Wireless Ethernet Standard 2 0 INSTALLATION 2 1 UNPACKING AND INSPECTION Verify that there has been no damage to the shipping container If damage exists then the container should be retained as it will provide evidence of carrier caused problems Such problems should be reported to the carrier immediately as well as to C amp H If there is no damage to the shipping container carefully remove the instrument from its box and inspect for any signs of physical damage If damage exists report immediately to C amp H 2 2 HANDLING PRECAUTIONS The components used in the EM405D are static sensitive Damage may occur if proper static precautions are not taken Installation of M modules should only be done at a properly grounded Static free workstation CAUTION Read the entire User s Manual before proceeding with the installation and application of power 2 3 INSTALLATION OF M MODULES To install modules first remove power from the carrier Remove the front panel cover by removing the two screws located at the sides of the panel Do not remove the screws located on the bottom of the enclosure Slide the PCB out of enclosure Install M modules by firmly pressing the conn
14. USER S MANUAL ETHERNET M MODULE CARRIER MODEL EM405D Manual Part No 11028854 COPYRIGHT C amp H Technologies Inc C amp H provides this manual as is without warranty of any kind either expressed or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose C amp H may make improvements and or changes in the product s and or program s described in this manual at any time and without notice This publication could contain technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of this publication Copyright 2004 by C amp H Technologies Inc The information and or drawings set forth in this document and all rights in and to inventions disclosed herein which might be granted thereon disclosing or employing the materials methods techniques or apparatus described herein are the exclusive property of C amp H Technologies Inc A Reader s Comment Form is provided at the back of this publication If this form has been removed address comments to C amp H Technologies Inc Technical Publications 445 Round Rock West Drive Round Rock Texas 78681 5012 C amp H may use or distribute any of the information you supply in any way that it believes appropriate without incurring any obligations whatever 11 DOCUMENT REVISION NOTICE C amp H Technologies Inc makes e
15. ce applicable sections of the manual or drawings if appropriate Also indicate if you would like an acknowledgment mailed to you stating whether or not your comments were being incorporated NOTE This form may not be used to request copies of documents or to request waivers deviations or clarification of specification requirements on current contracts Comments submitted on this form do not constitute or imply authorization to waive any portion of the referenced document s or to amend contractual requirements Fold along this line Fold along this line C amp H Technologies Inc Technical Publications 445 Round Rock West Drive Round Rock Texas 78681 5012
16. d lower 8 bits bs block size in words i e number of words per block di data MSB d0 data LSB the number of data bytes ws x bs x number of blocks nh nl SC Status Code Example values shown hex To read three data values from a 32 bit FIFO located at I O Register 6 and 8 on M module B send the following command Command cd md as ws ad ai nh nl bs Send 50 02 00 02 06 00 00 03 02 Receive da1 db1 dc1 dd1 da2 db2 dc2 dd2 da3 db3 dc3 dd3 00 if successful where dax MSB of register 6 dbx LSB of register 6 dcx MSB of register 8 ddx LSB of register 8 Note x 1 is first read x 2 is second read x 3 is third read 22 4 3 5 EM405D Configuration Status Registers The EM405D contains a set of registers that are used to identify the carrier configure the carrier and retrieve status from the carrier These registers are independent of the M modules residing on the board Table III summarizes the register map Bit level details of each register can be found in Figure 7 These registers are accessed using the Read Data and Write Data commands with the module field of the command set to 0 Table III Register Summary Reset Error amp Manufacturer Identification Device Identification Reset Error amp Manufacturer Identification 0x00 A read of this register will return the 12 bit manufacturer ID value of the EM405D and the reset error bit The manufacturer ID field 1s read only Wr
17. e sensor is also read by the firmware and used to control the variable speed fan When the fan is set to variable the firmware constantly monitors the temperature and speeds up the fan as the temperature rises The variable fan is designed to maintain a maximum 20 C rise in temperature from the ambient inlet air The user may select the fan to remain full on at all times by setting the VARF bit in the Fan amp temperature Control register to a 1 27 28 APPENDIX A CONNECTORS 1O 20 30 46 O O O O 20 an Z DESCRIPTION 12V INPUT 12V INPUT 12V INPUT TRIGGER OUT TRIGGER IN GND GND GND GND OONDOAaFRWDND Figure A 1 9 Pin DSUB Connector A 2 APPENDIX B WIRED ETHERNET DEFAULT SETTINGS The Ethernet interface device on the wired version of the EM405D contains many configurable settings that allow it to be used in a large number of applications Many of these settings must be set to certain values in order for the EM405D to operate normally Other settings are not applicable to the EM405D When the user tries to configure the network settings via the web interface or the telnet interface he she will see options to change many of these settings Changing some of these may make the EM405D inoperable For this reason it is highly recommended that the user does not change any settings other than the following e IP Address e Subnet Mask e Gateway Address Table B 1 lists the various settings and their
18. ectly with other wireless devices ad hoc If the EM405D s configuration is not known it can be reset to known defaults as described n section 4 2 7 2 15 4 2 7 1 Wed based Configuration To use the wed based interface to configure the wireless EM405D open a web browser and enter the device s IP address as the web address to open This will launch the main web page of the configuration utility Navigate through the pages of the web interface making the necessary changes to the configuration When finished making changes in any given section click on that pages Apply button to apply the changes Some changes may require that the wireless Ethernet interface be rebooted in which case the user will need to re connect to the device 42 122 Restoring Factory Defaults Similar to the wired version the wireless version of the EM405D has a dilemma in which the carrier must be connected to a network in order to configure its network properties The dilemma is made worse in the wireless version by the fact that there 1s no physical connection to the device and there are additional configuration settings that must be known in order to connect to the device such as the network mode security settings WEP WPA channel setting and the SSID If the EM405D configuration is not known and thus the user cannot connect to the carrier it is possible to reset the configuration settings to known defaults using a small push button switch found on the
19. ector on the M module together with the connector on the carrier as shown in Figure 2 Secure the module through the holes in the PCB using screws provided with the M module WARNING The EM405D supports M modules that use two or three row interface connectors When using M modules with only two rows row C of connector rear row is left unconnected M MA Module Carrier L L Figure 2 M module Installation There are two M module mounting locations on the EM405D Single wide M modules may be installed in either or both of the positions A double wide M module will occupy both positions The EM405D configuration is illustrated in Figure 3 O O PWR O frase MODULE B os 38986 0 oo o o Lo Bp 9 2 0 0 0 00 0 0 5 MODULE A TER Figure 3 M MA Configuration Diagram TI TI 7 G un m m UF BUF a DU 25 O CAUTION M module connectors are NOT keyed Use extra caution to avoid misalignment Applying power to a misaligned module can damage the M module and carrier Re assemble the EM405D by first sliding the carrier into the enclosure Be careful to align the edges of the carrier with the guide rails of the enclosure Improper alignment will cause the back panel component to not align with the back panel cutouts Slide the carrier all the way into the enclosure and re affix the front panel using the two screw
20. ent in several key areas The user must manually return these settings to the default as set by C amp H in order for the carrier to operate properly Refer to APPENDIX C or details on the factory default settings as received from C amp H Technologies Inc 4 3 COMMUNICATING WITH THE CARRIER AND M MODULES The EM405D uses a simple binary command structure to communicate with the host software The commands allow the user to either write or read registers residing on the EM405D or on each M module By writing registers residing on the EM405D the user can identify the module perform device configuration and receive status The registers residing on each M module are specific to the particular M module Refer to the M module s documentation for register details Each command consists of a command id byte a module number on which the command s to be executed and parameters if required The commands are listed in Table I Details of each command are found throughout the rest of this section Table I Command Summary Binary Command id Function Block Write Block Read 4 3 1 Error Handling Each command will return a status code as the last byte returned This status code will indicate whether the command completed successfully or whether an error occurred while the EM405D was performing the command Table II shows a l st of potential status codes that may be returned Table II Status Code SC Invalid Command Invalid Parameter
21. f blocks to read upper 4 bits nl number of blocks to read lower 8 bits bs block size in words i e number of words per block d1 data MSB d0 data LSB the number of data bytes ws x bs x nb SC Status Code Example values shown hex To write the data values 0x1234 0x5678 Ox9ABC to M module A starting at I O Register 4 send the following command Command cd md as ws ad ai nh nl bs dhidli dh2 dl2 dh3 dl3 Send 40 01 00 02 04 02 00 03 01 12 34 56 78 9A BC Receive 00 if successful 21 4 3 4 2 Block Read command The Block Read command reads a block of data from an M module Unlike the block write command block read does not have a restriction on the number of bytes that can be read with a single command The number of bytes read 1n any given command 1s equal to number of bytes number of blocks block size word size The block read command consists of nine command bytes The return value is any number of data bytes followed by a single status byte indicating the success of the command Command Syntax 0x50 md as ws ad ai nh nibs Return d1 d0 SC where md module 0 invalid 1 M module A 2 M module B as address space 0 I O 1 future use ws word size 2 16 bit word other values for future use ad starting address 0 to FF ai address increment number to increment address by after each write nh number of blocks to read upper 4 bits nl number of blocks to rea
22. ff resetable fuses on the incoming 12V supply If a fault occurs power must be removed before the fuse will reset The fuse is rated at 5 amps 1 4 Mechanical The EM405D is contained n a metal chassis with an outside dimension of 5 6 inches wide by 8 5 inches deep by 1 5 inches high A variable speed fan provides forced air for cooling the M modules The unit weighs approximately 1 7 lbs with no M modules installed 1 5 Environmental The environmental specifications of the module are Operating Temperature O C to 60 C Storage Temperature 40 C to 75 C Humidity lt 95 without condensation The forced air cooling is designed to allow a maximum 20 C temperature rise for installed M modules In other words with two M modules operating at full dissipation the M modules temperature can only be maintained within 20 C of the ambient air inlet temperature Installed M MAs may differ in environmental specification Refer to each individual M MA s documentation for information 1 6 Bus Compliance The module complies with the ANSI VITA 12 1996 Specification for single or double wide M Modules and the MA Module trigger signal extension Addressing AO8 only extended addressing not supported Data D16 only Interrupts not supported DMA not supported Triggers Trig A and Trig B Input Output Manufacturer ID OFC1 6 Model Number OFDB 1 7 APPLICABLE DOCUMENTS ANSI VITA 12 1996 American National Standard for
23. h M module can support two trigger lines labeled A amp B which can be mapped to one of two external trigger lines one input and one output available on the carrier or to the trigger lines of the adjacent M module The carrier s external trigger lines can be accessed at the 9 pin DSUB connector on the back panel of the EM405D Refer to Appendix A for pin out details of the 9 pin DSUB connector The input trigger line has a software configurable threshold and input impedance The input threshold is configurable using the TLVL bit in the Reset amp Trigger Control register and can be set to either 1 4 volts or 2 5 volts The input impedance is configurable using the TIMP bit in the Reset amp Trigger Control register and can be set to either high impedance gt 100K 2 or 50Q The output trigger line has a set output impedance of 5002 and a set output drive level of 5V typical into a high impedance load Each M module trigger line can be configured to be either an input or an output and can be mapped to either the external trigger lines or to one of the trigger lines on the other M module Each trigger line contains two bit fields in the Reset amp Trigger Control register The xTzD bit controls the trigger direction and the xTzM controls the trigger mapping where x specifies the module and z specifies the trigger for example ATBM is module A trigger B If the xTzM bit field is set to map the trigger line to the external trigger the trigge
24. hernet interface device on the Wireless version of the EM405D contains many configurable settings that allow it to be used in a large number of applications Many of these settings must be set to certain values in order for the EM405D to operate normally Other settings are not applicable to the EM405D When the user tries to configure the network settings via the web interface he she will see options to change many of these settings Changing some of these may make the EM405D inoperable For this reason it is highly recommended that the user does not change any settings other than the following IP Address Subnet Mask Gateway Address Wireless LAN Settings Wireless Security Settings Table C 1 lists the various settings and their default values as set my C amp H during manufacturing of the EM405D If the carrier fails to operate verify that these settings are set to their default values prior to calling C amp H for technical support Settings that are emphasized in bold italics are required settings that if changed will render the carrier inoperable Table C 1 Wireless Ethernet Configuration Default Settings Network IP Settings Obtain an IP address automatically using DHCP Wireless LAN Settings pe DU Wireless Security Settings N Enable WEP security Enable WPA authentication Network Services Settings MA CO HTTP Port HTTPS Port Table C 1 Wireless Ethernet Configuration Default Settings continued
25. holes located at the sides of the panels 3 0 FUNCTIONAL DESCRIPTION 3 1 GENERAL The EM405D provides a mechanical and electrical interface between an Ethernet bus and up to two M modules It utilizes an embedded microcontroller to provide buffering and command translation between the Ethernet interface and the M modules A simplified functional block diagram is shown in Figure 4 10 100 BASE T ETHERNET le MICRO OR WI FI 12VDC IN POWER CONVERSION m1 OR HERE Lon gt POSITION A TRG IN M MODULE a ur INTERFACE 9 PIN DSUB POSITION B Figure 4 Functional Block Diagram 3 1 1 Embedded Controller The embedded controller is implemented using a high performance microcontroller The microcontroller executes system firmware that controls the translation between Ethernet and the M module interface The system firmware implements a simple command protocol that allows access to the M modules I O space trigger mapping and carrier information and status It also provides data buffering and fan control 3 1 2 Ethernet Interface The Ethernet interface provides the physical and logical connection to the EM405D allowing remote control of the M modules The EM405D is available with either wired 10 100 Base T Ethernet or wireless Ethernet W1 F1 The interface supports the TPC IP protocol for control of the M modules It also supports DHCP AutoIP Telnet HTTP and other standard protocols for device configurat
26. ion and management 3 1 3 M module Interface The M module interface provides the mechanism for the microcontroller to access the M modules It is implemented using programmable logic that emulates a bridge between the microcontroller and the M module bus The logic also provides trigger configuration and control 3 1 4 Power Conversion The 12V input power is converted to the 3 3V power required by the carrier and the 5V 12V and 12V power required by the M modules The input power can be supplied through the 2 5mm power jack connector or through pins on the 9 pin DSUB connector 3 2 REAR PANEL The rear panel of the EM405D contains a 12V power input connection an Ethernet connection or wireless antenna and a 9 pin DSUB connector that provides connection to M module trigger lines and an alternate power input connection Also found on the rear panel are the fan and an On Off switch Figure 5 shows the rear panel of the module Refer to Appendix A for pin out details of the 9 pin DSUB connector ETHERNET 10 100 BASE T 12VDC IN Figure 5 Rear Panel 3 3 FRONT PANEL The front panel of the EM405D contains two openings for access to the M modules front panel connections and three LED indicators as shown in Figure 6 As mandated by the M module specification each M module should provide a front panel connector containing the M module I O signals The two openings on the EM405D s front panel provide access to these connecto
27. ireless Ethernet Configuration Default Settings lt lt lt lt lt lt lt lt lt lt sss C 1 V 1 0 GENERAL DESCRIPTION The EM405D Ethernet M Module carrier provides complete Ethernet connectivity to up to two industry standard single wide or one double wide M or MA modules The carrier provides full access to the M MA module I O space via the standard TCP IP networking protocol M module triggers are also fully supported allowing them to be connected externally to a 9 pin DSUB connector or to an adjacent M module A simple command structure eases software integration and allows reset identification control and configuration of the carrier and M modules For a complete list of M modules compatible with the EM405D carrier visit the mezzanine section of www mezzanines org or WWw vita com Figure 1 EM405D Ethernet M Module Carrier 1 1 PURPOSE OF EQUIPMENT The EM405 easily interfaces a VITA 12 199x standard M MA Module to a typical Ethernet network The carrier allows the numerous functions available in the M Module mezzanine format to be remotely located near the unit under test easing many system integration issues Over 100 M MA modules are available from numerous manufacturers 1 2 FEATURES AND SPECIFICATIONS 1 2 1 Key Features Supports two ANSI VITA 12 1996 compliant single wide M or MA modules or one double wide module Ethernet 1OBase T 100Base TX Auto Sensing or Wi Fi 802
28. iting a 1 to the reset error bit will clear the error condition Refer to section 4 3 1 for details on error handling Device Identification 0x02 This read only register returns the device ID value of the EM405D and a bit indicating whether the EM405D is a wired or wireless Wi Fi version Hardware Version 0x04 This read only register returns the hardware version number of the EM405D being accessed Firmware Version 0x06 This read only register returns the firmware version number of the EM405D being accessed Reset amp Trigger Control 0x06 This read write register can be used to reset the M modules residing on the EM405D and to control the triggers An independent reset bit is available for each module as well as numerous bits that allow the user to configure the external trigger lines and to map each M module trigger Fan Control amp Temperature Status OxOA A read of this register will return a value representative of the current temperature inside the EM405D casing and will return the current setting of the fan control bit The temperature field of this register 1s read only By writing to the fan control bit the user can select whether the fan is set to full on or variable speed 23 Reset Error amp Manufacturer Identification Reg 00 a A AA ES AAN BED a A AMOS MATA LASA ANO Write Read Oty O RERR Reset Error writing a 1 clears the error condition i MID gt Manufacturer ID always FC116 C amp
29. ity protocols WEP is an encryption protocol used for secure data transfers WPA is an authentication protocol used to authenticate and associate a device and a wireless access point WPA is not available in ah hoc mode The security settings must be set according to the wireless network being connected to The default settings are WEP disabled and WPA disabled 4 2 6 Performing the Configuration Wired Ethernet There are two ways to configure the wired version of the EM405D a web based interface and a Telnet interface Both ways work equally as well and the choice of which to use 1s based solely on the user s preferences In either case the IP address of the module must be known to perform the configurations If the IP address of the module is not known one can be assigned to the module as discussed in section 4 2 6 3 13 4 2 6 1 Wed based Configuration To use the wed based interface to configure the wired EM405D open a Java enabled web browser and enter the device s IP address as the web address to open This will download and run a Java applet from the device allowing the user to make changes to the devices configuration Navigate through the pages of the web interface making the necessary changes to the configuration When finished click on the Update Settings button to apply the changes Note If the web page does not display or operate correctly there may be some incompatibilities between the Java applet and the Java ru
30. le A Trigger B BTAD gt Module B Trigger A Direction 0 input 1 output BTAM Module B Trigger A Mode O O Disabled O 1 to from External Trigger 1 0 to from Module A Trigger A 1 1 to from Module A Trigger B ATBD gt Module A Trigger B Direction 0 input 1 output ATBM Module A Trigger B Mode O O Disabled O 1 to from External Trigger 1 0 to from Module B Trigger A 1 1 to from Module B Trigger B Module A Trigger A Direction 0 input 1 output Module A Trigger A Mode O O Disabled O 1 to from External Trigger 1 O to from Module B Trigger A 1 1 to from Module B Trigger B ATAD ATAM 4 4 Notes 1 This bit must be cleared by user software to return the M module to normal operation The reset bit need only be set to a 1 for a minimum of 1us to properly reset an M module 2 The direction is with respect to the M module specified For intermodule triggers the M module trigger directions must be set opposite one another for proper operation Reg 0A Fan Control amp Temperature Status Byte ARA O aa OOOO Bit 5 a IB Tem pofofs jr Te TsTAafs e Write war Read Only Read Re 0 o fo TRP O VARF gt Variable Speed Fan 0 variable 1 full ON TEMP Enclosure Temperature C TEMP 281 4 6 Figure 7 EM405D Registers continued 25 4 4 CONTROLLING THE TRIGGERS The carrier implements flexible trigger control capabilities providing the user with many options for using triggers Eac
31. mmand id the module to which the data should be written an address space selector the access width the address and two data bytes The return value consists of a single status byte Command Syntax 0x20 md as ws ad dh dl Return SC where md module 0 EM405D control 1 M module A 2 M module B as address space 0 I O 1 future use ws word size 2 16 bit word other values for future use ad address 0 to FF dh data MSB dl data LSB SC Status Code Example values shown hex To write the data value 0x1234 to M module A send the following command Command cd md as ws ad dh dl Send 20 01 00 02 06 12 34 Receive 00 if successful 4 3 3 Read Data command The Read Data command reads data from an EM405D control status register or from a register residing on an M module The command consists of five bytes including the command id the module from which the data should be read as address space selector the access width and the address from which to read The return value consists of two data bytes followed by a single status byte Command Syntax 0x30 md as ws ad Return dh dl SC where md module 0 EM405D control 1 M module A 2 M module B as address space 0 I O 1 future use ws word size 2 16 bit word other values for future use ad address 0 to FF dh data MSB dl data LSB SC Status Code 19 Example values shown hex To read the Device Iden
32. n time environment on the PC This is especially true for users using Microsoft Internet Explorer and the Microsoft Java Virtual Machine It is recommended that the user download the latest Java runtime environment from www java com and disable the Microsoft Virtual Machine The java applet served by the wired EM405D is compatible with Java 1 3 1x or higher 4 2 6 2 Telnet Configuration To use the telnet interface open a telnet session to port 9999 at the device s IP address In Windows this can be done by opening a command prompt window or going to Run under the Windows Start menu and in both cases typing the following where x x x x is the IP address telnet x x x x 9999 PC s running environments other than Windows may require a different instruction but the concept remains the same Once a telnet session is opened the screen will display the configuration utility Navigate through the various menu items and follow the instructions to configure the module The configurations are not applied until the telnet session is exited with the Save and Exit menu item 4 2 6 3 Configuring a Device with an Unknown IP address To configure the device through either the web based interface or the telnet interface the EM405D must be connected to a network and have a valid IP address known to the user This creates an obvious dilemma How do you configure a device via the network if it is not configured for the network The EM405D provides a method to
33. nk Simple Network Management Protocol SNMP Settings Enable Simple Network Management Protocol SNMP Public community Private community Allow SNMP clients to set device settings through SNMP Enable Simple Network Management Protocol SNMP traps True public private False False C 4 NOTES READER S COMMENT FORM Your comments assist us in improving the usefulness of C amp H s publications they are an important part of the inputs used for revision C amp H Technologies Inc may use and distribute any of the information that you supply in any way that it believes to be appropriate without incurring any obligation whatsoever You may of course continue to use the information which you supply Please refrain from using this form for technical questions or for requests for additional publications this will only delay the response Instead please direct your technical questions to your authorized C amp H representative COMMENTS Thank you for helping C amp H to deliver the best possible product Your support is appreciated Sincerely F R Harrison President and CEO INSTRUCTIONS In its continuing effort to improve documentation C amp H Technologies Inc provides this form for use in submitting any comments or suggestions that the user may have This form may be detached folded along the lines indicated taped along the loose edge DO NOT STAPLE and mailed Please try to be as specific as possible and referen
34. ommunicate on a network There are several options for assigning an IP address to the unit The option to choose is dependant upon the type of network for which the EM405D is being configured DHCP The Dynamic Host Control Protocol DHCP allows the module to dynamically retrieve an IP address from a DHCP server at power up If DHCP is used the EM405D may have a different IP address assigned each time it is powered on or connected to the network For the wired EM405D DHCP is automatically enabled if the IP address is set to 0 0 0 0 For the wireless EM405D DHCP is a separate setting DHCP enabled is the default setting AutolP The AutoIP protocol allows the module to automatically assign itself an IP address on networks that do not have a DHCP server If a DHCP server is not found the EM405D will select an IP address from the AutolP reserved range 168 254 0 1 to 168 254 255 1 The unit will then send out an address resolution ARP request on the network to determine if the chosen address is already in use If another device is using the selected IP address then the EM405D will select another address from the range and repeat the address resolution request This continues unit the device finds an IP address that is not in use For the wired EM405D manually setting the IP address to 0 0 0 0 enables AutoIP as well as DHCP and manually setting the IP address to 0 0 1 0 will disable AutoIP but keep DHCP enabled For the wireless EM405D both AutoIP
35. overcome this dilemma using a process sometimes referred to as address gleaning This method uses the Address Resolution Protocol ARP and telnet to assign a temporary IP address to the device This temporary address can then be used to connect to the web based interface or the telnet interface to configure the device for the network To assign a temporary IP address to a device using this method 1 Locate the device s hardware MAC address and write it down The address is displayed on a label inside the EM405D s cover View the label by removing the two screws at the front of the module removing the front panel then sliding the top cover of the enclosure forward exposing the rear section of the PCB The MAC address can be found on the device that the Ethernet cable physically plugs into It 1s a six part number 14 2 3 4 4 2 7 always starting with 00 20 4A identifying the manufacturer of the device The last three parts of the number are unique to each unit Example 00 20 4A 11 68 4C Create an entry 1n the host computer s ARP table using the intended temporary IP address and the hardware address of the EM405D found in step 1 To perform this action on a Windows based host open the command prompt and type the IP address can be any available address on your network and xx xx xx 1s the last three numbers in the unit s MAC address arp 8 LIZ O ld VOH20 44a RR xx View the ARP table to verify that the ent
36. r is connected to either the external input or the external output depending on the value of the xTzD bit If the xTzM bit field is set to map the trigger line to another M module trigger line then the two triggers must be configured to be opposite directions Also the second M module trigger line must be mapped to the first M module trigger line For example if module A trigger B is to be outputted to module B trigger A then the corresponding bit fields must be set as follows AIBD output ATBM to from Module B Trigger A BTAD input BTAM to from Module A Trigger B The following values would be invalid ATBD utput ATBM o from Module B Trigger A BTAD UCRUr I A olt o BTAM to from Module A Trigger B or ATBD output ATBM to from Module B Trigger A BTAD input BTAM to from external trigger 26 The function of each M module trigger line is fully dependent upon the M module Refer to the particular M module s documentation for further details 4 5 FAN AND TEMPERATURE CONTROL The EM405D contains an on board temperature sensor placed near the M module positions The current temperature inside the EM405D case can be determined by reading the Fan amp Temperature Control register of the EM405D The TEMP field inside this register represents the current temperature as read by the temperature sensor To translate the TEMP value in to degrees Celsius use the following equation C TEMP 281 4 6 The temperatur
37. rs The functions of the three front panel LED indicators are PWR indicates that power is supplied to the module and that the power switch is ON The units should be operating normally A B indicates that M module A or B is currently being accessed The LED will illuminate temporarily each time the module is accessed by the host software EM405D ETHERNET M MODULE CARRIER Figure 6 Front Panel 10 4 0 OPERATING INSTRUCTIONS 4 1 GENERAL The EM405D is controlled through the Ethernet interface using the TCP IP protocol to carry a simple command structure to the module The carrier contains a set of software controlled registers that allow the user to request status from the carrier identify the carrier and configure the carrier All other M MA controls are dependent on the specific M module s that reside on the carrier 4 2 CONFIGURING THE ETHERNET INTERFACE The Ethernet interface must be properly configured to work on the user s network The flexibility of the EM405D s Ethernet interface allows it to be used in a large number of possible network configurations The unit is delivered with a default configuration that may or may not be appropriate for the user s network It 1s up to the user and the user s network administrator to use the information provided throughout this section to determine what configuration 1s best for the given network 4 2 1 IP Address The EM405D must have a unique IP address before it can c
38. ry was successful by typing the following arp a The ARP commands might be slightly different on non Windows based hosts Note On a Windows 95 machine the ARP command will not work unless at least one IP address is in the ARP table To view the ARP table type arp a Ifno IP addresses are found in the table you must ping an existing IP address on the network Ifthe ping is successful the IP address should be automatically added to the ARP table Open a Telnet connection to port 1 of the intended temporary IP address To perform this action type the following at the command prompt telnet LOZ lO Ll I The connection will fail but will cause the EMOSD to temporarily change its IP address to the one specified Use the Telnet interface or the wed based interface to open a session to the module using the new temporary IP address At this point the IP address can be configured to a more permanent setting The module will retain the temporary IP address until a new configuration 1s applied or the module is powered off Performing the Configuration Wireless Ethernet Wi Fi The wireless version of the EM405D provides a web based interface to perform network and device configuration A Telnet interface is not supported To use the web based interface the user must know the carrier s IP address and the user must be able to connect to the module via a wireless access point router or another wireless device capable of communicating dir
39. s point on a wireless network Most access points can be configured to periodically broadcast the SSID or to keep it private Wireless devices can query the network for known SSID and thus communicate with access points that do not broadcast it The EM405D can be configured to communicate with any available SSID or to query for a specific SSID and use the owning access point if found The default setting is to use any available SID Channel The 802 11b specification defines a total of 14 frequency channels that can be used for wireless communication However not all channels may be available for use For example the FCC only allows for the use of channels 1 through 11 in the US whereas most of Europe can use channels through 13 Other countries or locations may differ All wireless communication is done over a common channel Another consideration in regards to channels is interference Interference can occur between access points or may be caused by other equipment such as microwave ovens and cordless phones The EM405D can be set to auto scan mode in which the device searches for the best wireless channel or it can be configured to use a specific channel The default setting is Auto Scan Country Some countries restrict certain channel ranges and other transmission properties The EMA405D should be configured for the country in which the device is being used The default setting is USA Security Settings The EM405D supports WEP and WPA secur
40. the local network segment to the outside world The gateway address if needed must be within the local network The default gateway address is 0 0 0 0 4 2 4 Port Numbers Every TCP connection to the device is defined by a destination IP address and a port number The port number must be known by the software to communicate with the module The port number is configurable but it is rarely if ever necessary to change it from its default setting Port 9999 is reserved for Telnet access to the EM405D s configuration utility The default port number for standard module access is 10001 4 2 5 Wireless Settings Wireless EM405D s have other settings that must be configured for the carrier to work on a wireless network Network Mode A wireless network can operate in one of two modes infrastructure or ad hoc In infrastructure mode all wireless network traffic passes through an access point An access point can be a bridge a router or a combination bridge router device The access point may handle data encryption bridging to wired networks assigning IP addresses via DHCP or a host 12 of other tasks In ad hoc mode wireless devices may communicate directly with each other and an access point is not needed In this case all devices on the network must be configured to use ad hoc mode The default network mode is infrastructure SSID The Set Service Identifier SSID is a name given to a wireless access point to identify the acces
41. tification Register on the EM405D send the following command Command cd md as ws ad Send 30 00 00 02 02 Receive OF DB 00 if successful 4 3 4 Block Access The EM405D provides a flexible block access feature that can be used to significantly improve data throughput Both a block read and a block write command is implemented The flexibility of the bock access feature is in the command protocol The protocol allows the user to specify four parameters in addition to the standard parameters also found in the single data read and write commands starting address block size number of blocks and address increment The EM405D firmware will execute the command by reading or writing a block of data the size of the block size parameter starting from the starting address and ending at starting address block size word size The firmware will then repeat this process N number of times depending on the number of blocks parameter If the address increment parameter is not equal to 0 the firmware will increment the starting address by the specified amount after each read or write of a single block The M module I O space is a maximum of 256 bytes Care must be taken when performing a block access that an address greater than OxFF is never accessed Otherwise an error will occur and the block access will terminate immediately The following examples further illustrate the block access feature Example 1 Read a single block of 32 words 6
42. very attempt to provide up to date manuals with the associated equipment Occasionally throughout the life of an instrument changes are deemed necessary to equipment related documentation The latest revision of our documentation is available for download from our web site at http www chtech com NOTE The contents of any amendment may affect operation maintenance or calibration of the equipment 111 INTRODUCTION This manual describes the operation and use of the C amp H Model EM405D Ethernet M Module Carrier Part Number 11028850 This instrument is one of a number of M module carriers provided by C amp H Contained within this manual are the physical and electrical specifications installation and startup procedures functional description and configuration and programming guidelines to adequately use the product Software drivers for an installed M MA module may be provided by the M MA module manufacturer Some drivers may require modification to operate correctly with the communication protocol and the addressing methodology used by the EM405D To support initial operation and application software development C amp H provides a software application called Interactive Mezzanine Control IMC The application provides immediate access and control of any M MA module residing on an EM405D IMC can be downloaded from the support section of C amp H s website www chtech com 1V TABLE OF CONTENTS HO GENERAL DESCRIP TION Pr P
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