200560-xxx 6xRS-422 Board Manual rev B
Contents
1. at I0Mbaud RS 485 up to 230 Kbaud Per channel sample rate 62 5Msps typical for each of the 6 channels 1 3 3 6 Channel RS 422 Board Dimensions VME 3 U format 100 mm wide x 160 mm long x 20 mm thick 3 937 x 6 299 x 0 80 in VME 3 U PCB and faceplate in rack 20 mm wide x 128 mm high 0 8 in x 5 05 in 1 3 4 6 Channel RS 422 Board Power Requirements 5 Volts at 0 65 Amps 3 25 Watts Page 6 of 13 Moog Components Group 6 Channel RS 422 Board February 24 2009 1 4 6 Channel RS 422 Board Configuration Note RS 422 channels I through 4 support only RS 422 while channels 5 and 6 can be configured for either RS 422 or RS 485 operation Channels 1 through 4 Receiver Termination Channels 1 through 4 have only a single jumper post that can be configured If a shunt is placed on this jumper post then the 120 Ohm receiver termination resistor is placed across the receiver signal pair a pair of 1K Ohm resistors are placed across the receiver pair for fail safe operation There is a 120 Ohm resistor across the transmit signal pair at all times there is no jumper post to select deselect the resistor The jumper posts are as follows RS 422 Channel 1 JP3 Receiver Termination Resistor RS 422 Channel 2 JP8 Receiver Termination Resistor RS 422 Channel 3 JP12 Receiver Termination Resistor RS 422 Channel 4 JP14 Receiver Termination Resistor Channel 5 Jumper Settings On channel 5 the board can be configured for either RS 4222. Each converter has a protective fuse and a green surface mount LED indicator to show that DC power is good The status LEDs and fuses are as follows RS 422 Channel 1 labeled 5V_A at LED6 fuse at F1 Page 5 of 13 Moog Components Group 6 Channel RS 422 Board February 24 2009 RS 422 Channel 2 labeled 5V B at LED9 fuse at F2 RS 422 Channel 3 labeled 5V C at LED12 fuse at F3 RS 422 Channel 4 labeled 5V_D at LED 15 fuse at F4 RS 422 Channel 5 labeled 5V E at LED18 fuse at F5 RS 422 Channel 6 labeled 5V F at LED21 fuse at F6 Note Since the RS 422 data channels are electrically isolated from each other and from the Prizm multiplexer DC ground testing of the channels with an oscilloscope or meter requires that the appropriate channel ground wire be attached to the test equipment s ground Prizm Modem Link The RLINK LED LED3 indicates the fiber optic receive link status RLINK from the Prizm Modem board If this LED is lit the 6 Channel RS 422 board should be receiving valid data from the remote end remote Modem of the fiber optic link The TLINK LED LED2 indicates the transmit link status TLINK to the Prizm multiplexer This LED is used for factory testing and will always be in the OFF state 1 3 2 6 Channel RS 422 Board Specifications Number of data Channels 6 Data type supported Channels 1 gt 4 RS 422 only Channels 5 gt 6 RS 422 or RS 485 Data rates support RS 422
3. replace fuse if blown e Replace board with spare If no spare is available e Move data connector to a spare working channel if available 1 5 2 6 Channel RS 422 Board Data Loop Back Test With a 6 Channel RS 422 board in both the ROV and surface units run RS 422 data into the appropriate data input pins of the connector of the channel being tested The RS 422 data can be input into either the ROV or surface board On the other end of the link short the appropriate data output pins channel being tested This will allow the two 6 Channel RS 422 boards to talk to each other in loopback Both RX and TX LEDs on both boards should be lit and or flickering If any of the LEDs are not operating check one of the other channels If the LEDs operate on that channel replace board with a spare board or use the working channels only Page 11 of 13 Moog Components Group 6 Channel RS 422 Board February 24 2009 1 5 3 Test Data Channels If an appropriate serial data test generator is available or a PC with Communications software or even a square wave generator the individual channels can be tested on a channel by channel basis This test can be done for all channels on the motherboard and all daughterboards The user must be sure that the test signal levels are compatible with the interface channel being tested 2 24 Channel Remote Submux Board Set Part Number 200XXX xxx The 24 Channel Remote Submux board set is designed to allow the user
4. 4 wire full duplex connection or RS 485 2 wire half duplex connection operation Each jumper will be individually described first then the specific jumper settings for RS 422 and RS 485 will be given Channel 5 Receiver and Transmitter Termination Channel 5 has two sets of jumper posts for receiver and transmitter termination If a shunt is placed on jumper post JP16 then the 120 Ohm receiver termination resistor is placed across the receiver signal pair a pair of 1K Ohm resistors are placed across the receiver pair for fail safe operation Ifa shunt is placed on jumper post JP15 then a 120 Ohm resistor is placed across the transmit signal pair The jumper posts are as follows Channel 5 JP16 Receiver Termination Resistor Channel 5 JP15 Transmitter Termination Resistor Note Only the receiver should be terminated i e shunt at JP16 and NOT at JP15 if the channel is configured for RS 485 otherwise a double termination may attenuate the signal too much for reliable communications Channel 5 Half duplex Full duplex Selection Channel 5 has a 2x2 jumper post at JP17 for selecting half duplex RS 485 2 wire versus full duplex RS 422 4 wire Place two shunts horizontally at JP17 to enable the 2 wire RS 485 configuration Remove both shunts for RS 422 the receiver in U16 will be continuously enabled as will the transmitter Channel 5 2 wire 4 wire Selection Page 7 of 13 Moog Components Group 6 Channel RS 422 Board February 24 2
5. has a total of 21 high speed serial data channels on the transmit side data input to be sent to the remote Prizm System and 21 high speed serial data channels on the receive side data outputs from the remote Prizm System The 6 Channel RS 422 board is designed to utilize these 21 bi directional data channels in 6 channel blocks The board can be configured by using dip switch SW1 for bits 0 gt 5 6 gt 11 12 gt 17 or 18 gt 20 This board can be used with the Remote Submux 200XXX The Remote Submux requires only a single high speed bi directional full duplex RS 422 link to remotely acquire as many as 24 low speed up to 230Kbaud serial channels as far as 1000 feet 300 meters from the main Prizm System Refer to Section 2 for more details on the Remote Submux 1 1 6 Channel RS 422 Board Revision History The 6 Channel RS 422 board has gone through the following printed circuit board PCB and Assembly revisions PCB Revision A Assembly Revision A Original design 1 2 6 Channel RS 422 Board Dash Number Definitions The 6 Channel RS 422 board has a Dash Number appended to the part number This Dash Number identifies the specific board configurations 001 original configuration for 6 channels of RS 422 002 for single channel operation Page 3 of 13 Moog Components Group 6 Channel RS 422 Board February 24 2009 1 3 6 Channel RS 422 Board Operation The 6 Channel RS 422 board is connected to the PRIZM fiber optic modem
6. 009 Channel 5 has a set of 2 post jumpers to select 2 wire or 4 wire operation If 2 wire RS 485 is desired a shunt should be placed on JP19 and also on JP20 The shunts short T5 to R5 and T5 to T5 to form a 2 wire configuration Note Only place the shunts if you desire 2 wire RS 485 operation If the shunts are placed with a 4 wire RS 422 device connected then the transmit will loop directly to the receive inputs on the RS 422 device Channel 5 RS 485 Baud Rate Selection Channel 5 has a 2x6 jumper post at JP24 to select the baud rate of the RS 485 communications Select either 9600 19 2K 38 4K 57 6K 115 2K or 230 4K baud rate Channel 5 RS 485 Auto baud Selection Channel 5 has a 2 post jumper for selection an auto baud mode With a shunt place on JP18 the auto baud mode is selected A shunt must also be placed at JP24 to select the lowest baud rate expected Note If a Simrad Mesotech MS900D or MS1000 Sonar is used select Auto baud mode and place a jumper on JP24 at 9600 baud This sonar has a fixed down link data rate of 9600 baud and a variable uplink data rate of anything between 9600 baud and 23 0Kbaud Channel 5 RS 422 Jumper Configuration Summary Channel 5 JP15 shunt placed Channel 5 JP16 shunt placed Channel 5 JP17 NO shunt placed Channel 5 JP18 IF shunt placed will be IGNORED Channel 5 JP19 NO shunt placed Channel 5 JP20 NO shunt placed Channel 5 JP24 IF shunt p
7. IN R5 T6 OUT 7 8 OUT T6 Page 4 of 13 Moog Components Group 6 Channel RS 422 Board February 24 2009 ISOGND 6 N A 9 10 N A ISOGND 6 R6 IN 11 12 IN R6 1 3 1 6 Channel RS 422 Board Indicators Board DC Power There is a single surface mount green LED indicator LED4 at the top of the board to indicate 5VDC power status for the board LED4 will be lit if 5VDC is available RS 422 Data Traffic Activity The status data traffic activity of the each high speed RS 422 data channel is indicated by two surface mount LED indicator located about 1 inch back on the board from the front panel The red TXDn LED lights with data traffic going OUT of the board while the green RXDn LED lights with data traffic going INTO the board The status LEDs are as follows RS 422 Channel 1 labeled TXD1 at LED1 labeled RXD1 at LEDS RS 422 Channel 2 labeled TXD2 at LED7 labeled RXD2 at LED8 RS 422 Channel 3 labeled TXD3 at LED10 labeled RXD3 at LED11 RS 422 Channel 4 labeled TXD4 at LED13 labeled RXD4 at LED14 RS 422 Channel 5 labeled TXD5 at LED 16 labeled RXD5 at LED 17 RS 422 Channel 6 labeled TXD6 at LED 19 labeled RXD6 at LED20 Note Sometimes the flashing may be to fast to see and the LED may appear to be on all the time RS 422 Isolated DC Power GOOD Each RS 422 channel is individually powered and fully isolated from the bulk Prizm backplane power by individual DC DC converters
8. Moog Components Group 6 Channel RS 422 Board February 24 2009 PRIZM 6 Channel RS 422 Board P N 200560 xxx User s Manual And Troubleshooting Guide February 24 2009 Rev B Moog Components Group Springfield Operations 750 West Sproul Road Springfield PA 19064 E Mail mcq moog com URL www moog com components Tel 610 328 4000 Fax 610 605 6216 24 7 Technical Customer Support Hotline 610 605 6101 Page 1 of 13 Moog Components Group 6 Channel RS 422 Board February 24 2009 1 6 Channel RS 422 Board Part Number 200560 xxX rrrrrrrsvvvnrererrrrernnrnsersvvnnsererresrenvnnnsssvvnnssnnrsssrsnvnnee 3 1 1 6 Channel RS 422 Board Revision History srerernnvrrnnrnvenrrnvnnrerrenvreresnerneeneensrsssnersresvserasnesvseneensee 3 1 2 6 Channel RS 422 Board Dash Number Definitions sernvrnvrvrnnvrernnnnrvavnvnvsrsrrnersresnreresnesvsennensee 3 1 3 6 Channel RS 422 Board Operation esoonvrornnvnnerernnvnrnnnneenarnennserrenveenesnsrsrenensresvensesresvseresnesnseneensee 4 1 3 1 6 Channel RS 422 Board Indicators ccccceceesseesseeeceesceeeceeceseceseceaeceecaeecaeesaeeeeeeeeeseeeeereas 5 1 3 2 6 Channel RS 422 Board Specifications ccecceseeccssesseeeeceeeeeceeeeeceaeeeeseceeeeceseecaeeeeeaeeaees 6 1 3 3 6 Channel RS 422 Board Dimensions ccccccssecsceeseeseeeeeeeeceseeeseeeeeeeaecnaeceeeceecneeseeeaeeess 6 1 3 4 6 Channel RS 422 Board Power Requirements cccccccecsseescees
9. al too much for reliable communications Channel 6 Half duplex Full duplex Selection Channel 6 has a 2x2 jumper post at JP25 for selecting half duplex RS 485 2 wire versus full duplex RS 422 4 wire Place two shunts horizontally at JP25 to enable the 2 wire RS 485 configuration Remove both shunts for RS 422 the receiver in U23 will be continuously enabled as will the transmitter Channel 6 2 wire 4 wire Selection Channel 6 has a set of 2 post jumpers to select 2 wire or 4 wire operation If 2 wire RS 485 is desired a shunt should be placed on JP22 and also on JP23 The shunts short T6 to R6 and T6 to T6 to form a 2 wire configuration Note Only place the shunts if you desire 2 wire RS 485 operation If the shunts are placed with a 4 wire RS 422 device connected then the transmit will loop directly to the receive inputs on the RS 422 device Channel 6 RS 485 Baud Rate Selection Channel 6 has a 2x6 jumper post at JP26 to select the baud rate of the RS 485 communications Select either 9600 19 2K 38 4K 57 6K 115 2K or 230 4K baud rate Channel 6RS 485 Auto baud Selection Channel 6 has a 2 post jumper for selection an auto baud mode With a shunt place on JP28 the auto baud mode is selected A shunt must also be placed at JP26 to select the lowest baud rate expected Note If a Simrad Mesotech MS900D or MS1000 Sonar is used select Auto baud mode and place a jumper on JP26at 9600 baud This sonar has a f
10. eeeeceeeeeecesecnseeseeeeesaeeeneeaes 6 1 4 6 Channel RS 422 Board Configuration cccccccccscessceesceesceeceseceseceecseecseeeaeeeeeeseseaeesreneeneenaees 7 1 5 6 Channel RS 422 Board Troubleshooting ccccecceceesseesseeeceeeceeeceseceseceseceaecnaecneeceeceeeeeeaeeaes 10 1 5 1 6 Channel RS 422 Board Level Testing ccccceccceesceeseeseceeeceecnseceeecseecseeeseeeeeeeeenerenrens 10 1 5 2 6 Channel RS 422 Board Data Loop Back Test cccceccccssceseceseceeceseceecseeeseeeeeeneeeereneen 11 1 5 3 Test Data Channels aieia auke bee HAGN G EGGENE 12 24 Channel Remote Submux Board Set Part Number 200XXX xxX erervrerennrnerrevvrneersrressennrnssrevvnnsnn 12 Page 2 of 13 Moog Components Group 6 Channel RS 422 Board February 24 2009 1 6 Channel RS 422 Board Part Number 200560 xxx The Prizm RS 422 board provides six independent RS 422 channels that can support at least 10Megabits per second Mbps Each channel uses its own Prizm high speed serial data channel and is not multiplexed with the other channels The first four channels support only RS 422 4 wire full duplex connection while channels 5 and 6 can be configured for either RS 422 or RS 485 2 wire half duplex 8 connection operation Each of the six data channels are electrically isolated and independently powered Each RS 422 channel can support at least 10Mbps while each RS 485 channel can support up to 230 4 Kilobaud The Prizm System
11. er is being used through J6 and LED4 is out e Check 2Amp fuse F7 with ohmmeter replace with another PICO fuse if blown If SVDC is measured at connector and DC Power LED is not lit green e Check LED and transistor circuit Page 10 of 13 Moog Components Group 6 Channel RS 422 Board February 24 2009 If SVDC is not found e Test for power at the backplane and power supply See Power Supply and Backplane sections of the manual e Replace board If the RLINK LED left LED is out e Check that local Modem board is plugged in e If still not operational replace with spare board If the RLINK and all the RXD TXD LEDs are flickering e Check for high link error rate which will cause the Modem s LOC LED to flicker If high data link errors are noted e Check the fiber optic cable and all connections e Replace the Modem with a spare If either RXD TXD link LEDs are out e IfRXD LED does not light check surface mount fuse F1 through F6 for that channel with an ohmmeter replace fuse if blown e Check that 6 Channel RS 422 board at other end of link is plugged in e Run data loop back test see data loopback test below checking each channel and its LEDs e If still not operational replace with spare board If one or more data channels are out e Run the data loop back test described below checking each channel and its LEDs e IfRXDLED does not light check surface mount fuse F1 through F6 for that channel with an ohmmeter
12. ixed down link data rate of 9600 baud and a variable uplink data rate of anything between 9600 baud and 23 0Kbaud Page 9 of 13 Moog Components Group 6 Channel RS 422 Board February 24 2009 Channel 6 RS 422 Jumper Configuration Summary Channel 6 JP21 shunt placed Channel 6 JP22 NO shunt placed Channel 6 JP23 NO shunt placed Channel 6 JP25 NO shunt placed Channel 6 JP26 IF shunt placed will be IGNORED Channel 6 JP27 shunt placed Channel 6 JP28 IF shunt placed will be IGNORED Channel 6 RS 485 Jumper Configuration Summary Channel 6 JP21 shunt placed Channel 6 JP22 shunt placed Channel 6 JP23 shunt placed Channel 6 JP25 2 horizontal shunts placed Channel 6 JP26 9600 230 4K as desired Channel 6 JP27 NO shunt placed Channel 6 JP28 shunt placed 1 5 6 Channel RS 422 Board Troubleshooting In normal operation the following LED status should be observed 5VDC power LED LED4 Lit green RLINK TLINK LEDs left TLINK LED always OFF right RLINK LED Lit green with link status from Modem RS 422 Data Activity LEDs channels 1 through 6 TXD LED LED lit red if data going out of channel RXD LED LED lit green if data going into channel Isolated DC Power LEDs SV x LED LED lit green if DC power is GOOD 1 5 1 6 Channel RS 422 Board Level Testing If DC power LED LED4 is out e Make sure 5VDC is available at the backplane connector If external DC pow
13. laced will be IGNORED Channel 5 RS 485 Jumper Configuration Summary Channel 5 JP15 NO shunt placed Channel 5 JP16 shunt placed Channel 5 JP17 2 horizontal shunts placed Channel 5 JP18 shunt placed Channel 5 JP19 shunt placed Channel 5 JP20 shunt placed Channel 5 JP24 9600 230 4K as desired Channel 6 Jumper Settings On channel 6 the board can be configured for either RS 422 4 wire full duplex connection or RS 485 2 wire half duplex connection operation Each jumper will be Page 8 of 13 Moog Components Group 6 Channel RS 422 Board February 24 2009 individually described first then the specific jumper settings for RS 422 and RS 485 will be given Channel 6 Receiver and Transmitter Termination Channel 6 has two sets of jumper posts for receiver and transmitter termination If a shunt is placed on jumper post JP27 then the 120 Ohm receiver termination resistor is placed across the receiver signal pair a pair of IK Ohm resistors are placed across the receiver pair for fail safe operation Ifa shunt is placed on jumper post JP21 then a 120 Ohm resistor is placed across the transmit signal pair The jumper posts are as follows Channel 6 JP27 Receiver Termination Resistor Channel 6 JP21 Transmitter Termination Resistor Note Only the receiver should be terminated i e shunt at JP27 and NOT at JP21 if the channel is configured for RS 485 otherwise a double termination may attenuate the sign
14. s than 10 feet 3 meters Longer cable lengths are possible consult the factory for details Remote Submux Board Set Through The Prizm System Using the Standard Submux Motherboard with an RS 422 485 Daughterboard To operate the 24 Channel Remote Submux board set through a Prizm System using the standard Submux Motherboard with an RS 422 485 daughterboard also only requires two twisted pair cables The RS 422 link from the Remote Submux board to the standard Submux Motherboard with an RS 422 485 daughterboard can run at a variety of rates but typically is 1Mbps for short cable runs of less than 100 feet 30 meters Longer cable lengths are possible consult the factory for details Remote Submux Board Set in Stand alone Mode Page 12 of 13 Moog Components Group 6 Channel RS 422 Board February 24 2009 To operate the 24 Channel Remote Submux board set in a stand alone mode i e two Remote Submux boards interconnected with cable also only requires two twisted pair cables The RS 422 link from the Remote Submux board to the second Remote Submux board can run at a variety of rates but typically is 20Mbps for short cable runs of less than 10 feet 3 meters Longer cable lengths are possible consult the factory for details Page 13 of 13
15. to place a remote serial data node as far as 1000 feet 300 meters from the main Prizm System This capability would allow a user to place these distributed node whereever convenient in different bottles or even on different physical platforms The communications link between the remote serial data node and the Prizm System is via a high speed RS 422 full duplex channel This high speed channel carries all 24 lower speed channels multiplexed together on the single channel High speed link data clock is recovered from the multiplexed data stream by a digital clock recovery chip The link data rate is defined by the customer s specific requirements such as RS 422 cable type and cable length total number of low speed serial channels required data rate maximums for the low speed channels etc There are three and possibly more scenarios to use the 24 Channel Remote Submux board set through the Prizm System using the 6 Channel High speed RS 422 board through the Prizm System using the standard Submux board with an RS 422 485 daughterboard and in a stand alone mode Remote Submux Board Set Through The Prizm System Using the 6 Channel RS 422 Board To operate the 24 Channel Remote Submux board set through a Prizm System using the 6 Channel RS 422 board only requires two twisted pair cables The RS 422 link from the Remote Submux board to the 6 Channel RS 422 board can run at a variety of rates but typically is 20Mbps for short cable runs of les
16. via the backplane The Prizm System has a total of 21 high speed serial data channels on the transmit side data input to be sent to the remote Prizm System and 21 high speed serial data channels on the receive side data outputs from the remote Prizm System The 6 Channel RS 422 board is designed to utilize these 21 bi directional data channels in 6 channel blocks The board can be configured by using dip switch SW1 for bits 0 gt 5 6 gt 11 12 gt 17 or 18 gt 20 NOTE IF THE USER WISHES TO RE CONFIGURE A BOARD TO UTILIZE A DIFFERENT SET OF BACKPLANE SERIAL CHANNELS HE MUST UNDERSTAND HOW THE OTHER BOARDS IN THE SYSTEM ARE MAPPED TO AVOID BUS CONFLICTS FAILURE TO DO SO MAY CAUSE DAMAGE TO THIS AND OTHER SYSTEM BOARDS There are three 12 pin AMP connectors on the front of the 6 Channel RS 422 board Refer to the following tables for connector pin assignments and definitions Connector J2 Pin Assignments SIGNAL DIRECTION PIN PIN DIRECTION SIGNAL Ti OUT 1 2 OUT T1 ISOGND_1 N A 3 4 N A ISOGND_1 R1 IN 5 6 IN RI T2 OUT 7 8 OUT T2 ISOGND 2 N A 9 10 N A ISOGND 2 R2 IN He 42 IN R2 Connector J4 Pin Assignments SIGNAL DIRECTION PIN PIN DIRECTION SIGNAL T3 OUT r 3 OUT T3 ISOGND 3 N A 3 4 N A ISOGND 3 R3 IN 5 6 IN R3 T4 OUT 7 8 OUT T4 ISOGND 4 N A 9 10 N A ISOGND 4 R4 IN 11 12 IN R4 Connector J5 Pin Assignments SIGNAL DIRECTION PIN PIN DIRECTION SIGNAL Ts OUT Ka OUT T5 ISOGND 5 N A 3 4 N A ISOGND 5 R5 IN 5 6
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