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PowerTALK 101

10

Functional overview of PowerTALK 101

PowerTALK 101 is a network protocol converter, one unit having at least a serial port and an
Ethernet port. All PowerTALK 101 models utilise the TCP/IP protocol suite for communication and
configuration.

PowerTALK 101 uses UDP broadcast packets to effectively combine a campus wide Ethernet
network into one virtual RS-232 multi-drop network. Each port on each PowerTALK 101 device is
assigned to a virtual

channel

, and all data received on this port will be transmitted into this

channel, and all other ports connected to this

channel

, will receive all data traffic. UDP broadcast

packets will normally not be carried by routers and bridges, and can only be used on a single or
virtual segment.

PowerTALK 101B additionally has UDP peer to peer routed packets for one-to-one
communication. PowerTALK 101C also adds TCP peer to peer connections, for one-to-one
communication over unreliable and changing links.

PowerTALK 101 / 101B / 101C Data

UDP broadcast

single virtual segment

PowerTALK 101 / 101B / 101C Configuration

UDP peer to peer

across router

PowerTALK 101B / 101C

Data

UDP peer to peer

across router

PowerTALK 101C

Data

TCP peer to peer

across router, advanced

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Summary of Contents for PowerTALK 101

Page 1: ......

Page 2: ...User s Manual PowerTALK 101 Ethernet to Serial converter ...

Page 3: ...des manual release 1 15 Oct 98 Supersedes preliminary manual rev 0 3 Supersedes preliminary manual rev 0 2 Supersedes preliminary manual rev 0 1 PowerTALK 101 Firmware release 1 00 PT EXE Configuration software release 1 01 Contact address Cocoon Creations cc PO Box 380 Groenkloof 0027 South Africa Internet www cocoon creations com Support powertalk cocoon creations com ...

Page 4: ...1 12 PHYSICAL PROPERTIES 13 POWERTALK 101 PICTURE 13 LED PLUG AND SWITCH LAYOUT 13 DEVICE AND TERMINAL IDENTIFICATION 14 DIMENSIONS 14 REAR DIN RAIL 14 ADDITIONAL POWER SUPPLY OUTPUTS 14 FACE PLATE CARE MAINTENANCE 14 INTERNAL CONNECTIONS AND LAYOUT 15 FUSES LINKS 16 BATTERY REPLACEMENT 16 JUMPER SETTINGS 17 Power supply board 17 Communications processor board 18 ELECTRICAL CONNECTION TO POWERTALK...

Page 5: ...ons on face plate 37 Indications on inside of box only visible when cover is removed 37 TESTS 38 Tests using standard networking protocols 38 Tests available using PT EXE 38 Tests available using PowerTALK 98 under Windows 95 or NT 38 TESTING PROCEDURE 39 EASY FUNCTIONALITY TEST LOOPBACK TEST 40 SETTING AND CONFIGURING POWERTALK 101 42 PRACTICAL CONNECTION EXAMPLE ADDRESS TYPE SERIAL DEVICES 43 PR...

Page 6: ...equipment often comes with limited ability on board for centralised monitoring and management The PowerTALK tool set provides the intelligence needed to connect such equipment with modern IT networks enabling central control and management of the device PowerTALK conforms to industry standards for example ÿ Industry standard routable communication protocol TCP IP The international standard ÿ Indus...

Page 7: ...PowerTALK 101 6 ...

Page 8: ...rks on site In combination with other equipment such as the PowerTALK 103 RS 485 converter each serial port may further be expanded to more serial devices PC configuration tool PT EXE PT98 EXE PowerTALK DOS and PowerTALK 98 are supplied free of charge This software is used to track PowerTALK 101 connections to functionally test the system to configure Ethernet type information to configure serial ...

Page 9: ...E Additional 10VDC output ext use PT101 1 0 0 Firmware version eg 1 00 PT101 N No internal GPS clock PT101 A DB9 DB9 serial connections PT101 B DB 25 DB 25 serial connections PT101 0 No on board printer PT101 A RJ 45 10 Base T PT101 B BNC 10 Base 2 PT101 Model number A B Available PowerTALK 101 models 101 UDP type IP protocols broadcast mode 101B UDP type IP protocols broadcast mode peer to peer 1...

Page 10: ...olatile memory Any port can be moved replaced or upgraded without disruption to the network Data is available anywhere on the network across campus or across countries Supports full or half duplex connections Data can be addressed to one port or to all ports simultaneously depending on the configuration Individually configurable PowerTALK device passwords are implemented for network access control...

Page 11: ...will be transmitted into this channel and all other ports connected to this channel will receive all data traffic UDP broadcast packets will normally not be carried by routers and bridges and can only be used on a single or virtual segment PowerTALK 101B additionally has UDP peer to peer routed packets for one to one communication PowerTALK 101C also adds TCP peer to peer connections for one to on...

Page 12: ... Ethernet port to communications master AC Power Isolated PSU Communications Processor Non isolated RS 232 ports for connection to communication equipment in the field Serial ports Serial 1 Serial 2 Encapsulated Data see p50 Raw serial Data PT 101 Encapsulated Data see p50 Raw serial Data PT 101 ...

Page 13: ...PowerTALK 101 12 Network topology overview of PowerTALK 101 PC Hub UTP Thinnet Configuration PC On Ethernet Ethernet PowerTALK 101 RS 232 Serial devices RS 232 Master PC On COM port ...

Page 14: ...Serial 2 Green Transmit Red Receive Ethernet Green Transmit Red Receive Reset Press to restart all on board processors in case of suspected system malfunction or LED test Serial 1 Serial Port 1 1200 19200 bps 5 6 7 8 bits NOE parity 1 2 stop bits DB 9 Serial 2 Serial Port 2 1200 19200 bps 5 6 7 8 bits NOE parity 1 2 stop bits DB 9 Ethernet Ethernet medium 10 Mbps 10 BASE T RJ 45 ...

Page 15: ...N rail is provided for convenience to mount up to two PowerTALK 103 RS 485 converters or other third party rail mount equipment such as power supplies etc Additional power supply outputs An additional power supply unit for external equipment with mounting holes 90mm x 90mm may be mounted inside or outside the box using the 4mm diameter holes provided Such power supply may be obtained from third pa...

Page 16: ...ng the front panel surface wipe horizontally in the same direction as the brush finish texture for the best results Internal connections and layout PowerTALK 101 seen from the front with its faceplate removed The main elements of PowerTALK 101 can be seen as follows A Communications processor 80486 B Power Supply 5V 4A isolated C LED plug DB 25 D Spare power supply mounting holes 90 x 90 mm H Rese...

Page 17: ...1 5 a link terminal A link is used to isolate the Neutral or Negative power supply if needed Between terminals X1 3 and X1 7 a link terminal A link is used to connect the signal ground to the chassis ground Battery replacement The PowerTALK 101 unit has a built in battery for the purpose of keeping time when the power supply is removed The lithium battery is expected to last for at least 10 years ...

Page 18: ... 5 and X1 2 6 B One 2 pin 0 1 spaced connector with output 12VDC 50mA This supply is not needed by PowerTALK 101 but can be used by the user s equipment C One set of screw terminals for output 5VDC 4A N B Observe polarity The RED bootlace lug is 5V whilst the BLUE bootlace terminal is 0V The communications common signal 0V can be switched to earth by the disconnect terminal between X1 3 and X1 7 C...

Page 19: ...le to front plate connector B Port 2 to SERIAL 2 blue CAT 5 UTP cable to front plate connector C RJ 45 to ETHERNET yellow CAT 5 UTP cable on front plate D 2 pin J3 to reset button on front plate E LED lead connector inside box F 4 pin 5VDC input power connector Observe polarity according to board markings 5V 0V G Lithium battery Jumpers on Communications Processor A B D E F G ...

Page 20: ...rth V and V N L Earth 230VAC Power Input Earth Wiring All metal panels in the PowerTALK 101 box are earthed to the star point at the back of the box The logical earth low noise earth point used by the internal PowerTALK 101 electronic cards can optionally be connected to the system earth The blade disconnect terminal switch between terminals X1 3 and X1 7 performs this function ...

Page 21: ...sconnect earth link is shown below Clean earth connection can be connected to earth via link switch Isolation in the PowerTALK 101 box Below a schematic diagram of the electrical isolation barriers as implemented PowerTALK 101 box ...

Page 22: ...equirement of the load by at least 100 This ensures low operating temperatures through the entire temperature range and guarantees longer equipment life Optional power supplies PowerTALK 101 has one open power supply mounting position in which a power supply for external use could be mounted 2 5kV isolated power supplies available are 230VAC 220VDC 110VDC 2A 5V or 9V output 230VAC 4A 5V or 9V outp...

Page 23: ...definable IP Ditto Ethernet mode UDP broadcast only Ditto Also UDP peer to peer Network traffic burden Depending on settings From 8kbps 3840 packets s to 1Mbps 30packets s for a 19200 bps serial data flow Ditto Supervision Watchdog timer checks for continuous program execution Ditto Isolation PSU Input voltage to earth 2 5 kV RMS Ditto Isolation PSU Output voltage to earth 2 5 kV RMS Ditto Isolati...

Page 24: ...ply output 20W regulated 5V 0 6W unregulated 12V Ditto Internal PSU fuse 1A 5mmx20mm fast blow Ditto External fuse 3A 5mmx20mm slow blow Ditto Enclosure All metal steel case 19 4U maximum depth of 340mm including the protruding terminals on the back of the unit Ditto Material of top bottom plates 1mm mild steel powder coated Ditto Material of central part 2mm galvanised steel powder coated Ditto M...

Page 25: ...PowerTALK 101 24 ...

Page 26: ... links 1 Power up each unit and check that after a waiting period of approximately 30 to 45 seconds the LEDs cycle through a start up pattern and finally stabilise thereafter 1 1 Within 10 to 15 seconds after start up or RESET it should beep 1 2 After about 45 seconds after start up or RESET it should show the LED test pattern and beep 1 3 After the second beep the functionality of the PowerTALK 1...

Page 27: ...K is accessed from the local serial port and the factory default password is martian for access from the network port PowerTALK 101 units have standard IP addresses printed on the sticker on the back of the unit You may also enter a custom IP address for the unit an IP address for the default gateway and the network subnet mask Enter IP numbers as follows 158 152 46 132 6 To save any changes PT EX...

Page 28: ...on and the other fixed but only for access from the local serial port The password for network access can be changed and can also be forgotten The password for local access using the local serial port is fixed for the eventuality a user forgets his password The standard serial port master password is jovian The default network changeable password is martian ...

Page 29: ...st prt chn Set the port to broadcast to a specific channel disconnect hst prt Disconnect this port from the network speed hst prt spd Set the port speed in bits per second parity hst prt prt 0 1 2 sets none odd even parity stopbits hst prt bits selects stopbits 1 or 2 databits hst prt bits set 8 7 6 or 5 data bits txdelay hst prt n Wait for n character periods before transmit password hst password...

Page 30: ...the default network password where hostname is the item to change command and where OUTSTN1 is the new unit name Change some parameters From a command prompt in Windows 95 98 NT type PT I10 1 1 7 martian speed OUTSTN1 2 4800 where 2 is the port number on OUTSTN1 Change a port channel allocation From a command prompt in Windows 95 98 NT type PT I10 1 1 7 martian broadcast OUTSTN1 2 34 where 34 is t...

Page 31: ...etails previously set up on the PowerTALK 101 units Factory defaults on PowerTALK 101 units are 9600 baud 8 bits no parity 1 stop bit First PowerTALK 98 setup screen The Default Password on PowerTALK 98 is set as martian The system is delivered in the open state i e the default password enables changing of any networked PowerTALK 101 unit Should the user want to password protect the system the pas...

Page 32: ... to the password previously set on the PT unit A New Password on the unit may be set An arbitrary Host Name may be assigned to a unit A second IP address Netmask Gateway may be configured as used in the user network A connected unit and port may be selected Serial Port Settings such as baud rate word length etc may be changed The port may be assigned to a channel number see p47 for details The uni...

Page 33: ...ALK network A B network N equipment equipment data in out data in out data in out Each unit has two RS232C ports and a network port Normally DB 9 connectors and 10 BASE T are assumed but DB 25 10 BASE 2 and 10 BASE 5 is also available You may connect as many units as you wish to the network and establish logical connections between units with complete flexibility For example imagine two units each...

Page 34: ...d by Ethernet LAN data in out data in out data in out These and many other configurations can be easily set up monitored and changed at will from any unit on the network serially connected to a PC PT EXE allows you to make and break logical links between units examine and change configurations unit names IP numbers etc of any PowerTALK 101 on the network Security is provided by a password for ever...

Page 35: ...ault configuration The default name and IP number parameters are based on the unique MAC address of the PowerTALK unit Typical default IP address 10 121 1 147 Typical constant part of IP address 10 121 xx yy Typical custom IP address 100 100 100 3 PowerTALK 101 is configured by PT EXE or PT98 EXE Both packages can use either the network port or a serial port for configuration Serial connection cab...

Page 36: ...dministrator to set your Windows machine up for networking The IP address shown on the screen prints below is used throughout this document and can also be used on your Windows machine provided the example IP address 10 1 1 7 does not exist already Windows NT Windows 95 Click Start Settings Control Panel Click Network Protocols Select TCP IP Click Properties Advanced Add an IP address like 10 1 1 ...

Page 37: ...m this menu Note that a subnet mask must be defined if the custom IP address is used Connecting to the physical network The relevant medium must be connected i e a RJ 45 telephone connector in the case of 10 Base T 10 BASE T PowerTALK 101 can be connected with a normal UTP CAT 5 flylead to a network hub PowerTALK 101 can be connected to another PowerTALK 101 unit with a special UTP CAT 5 server ca...

Page 38: ...nal error has occurred This Red is not automatically recovered The machine must be reset Serial 1 Tx Rx Green Transmits serial data Red Receives serial data Serial 2 Tx Rx Green Transmits serial data Red Receives serial data Ethernet Tx Rx Green Transmits packet Red Receives packet destined for local IP address Indications on inside of box only visible when cover is removed Power Red Communication...

Page 39: ...TALK 101 and a special packet containing address information is returned Tests available using PowerTALK 98 under Windows 95 or NT Networking loopback echo test A special packet is sent to PowerTALK 101 and a special packet is returned The total loop time is measured This packet returns address information to PowerTALK 98 Loopback echo test A loopback connector must be installed on the PowerTALK 1...

Page 40: ...between the two PowerTALK units 3 Connect a loopback connector to port 1 or 2 on a PowerTALK 101 unit 4 Connect a Laplink cable between the other PowerTALK unit and the PC COM2 5 Run HyperTerminal on Windows 95 NT 6 Set HyperTerminal to COMn where COMn is your available COM port 7 Set HyperTerminal to the settings shown on the right 8 Ensure local echo is off on HyperTerminal 9 Type into the termi...

Page 41: ... B receives a packet on channel 1 destined for Serial 1 Serial 1 is configured onto channel 1 PowerTALK 101 B strips the packet and outputs the character to its Serial 1 port PowerTALK 101 B Serial port 1 has a loopback connector and the bits are bounced back into Serial 1 The character is once again packetised and sent from PowerTALK 101 B to A over Ethernet on channel 1 Serial 1 is configured on...

Page 42: ...to connect Ethernet ports Insert Loopback plug into Serial 1 Loopback test connection For the loopback test described above no setting changes are required The PowerTALK 101 units can be unpacked from the original boxes powered up and immediately be connected to perform above functionality test The same test can also be executed using arbitrary settings as can be changed using PT EXE ...

Page 43: ...ver flylead to connect Ethernet ports Setting and configuration Any PowerTALK 101 unit can be remotely configured from any connected PowerTALK 101 serial port or Ethernet port In above example A is connected using a serial connection and B is connected using its network port In both cases PT EXE can be used to configure the PowerTALK 101 unit For configuration detail see the section on PT EXE para...

Page 44: ...ects device C and D to the same multi drop network This connection demands a device that will only respond to its ID call from a master controller All ports set to channel 1 COM1 Port 1 Ch 1 Port 2 Ch 1 A Port 1 Ch 1 Port 2 Ch 1 B 10 BASE 2 Backbone Use Windows OEM software connected with a Laplink cable to PowerTALK 101 Use standard flyleads to hub Connect Serial 1 2 to serial devices using origi...

Page 45: ...he connection below effectively splits COM1 and COM2 on the PC ensuring individual logical connections channels from COM1 and COM2 to the devices C and D A serial stream from COM1 Serial 1 will only go C and COM2 Serial 2 will only go to D All ports set to channel 1 COM1 2 Port 1 Ch 1 Port 2 Ch 2 A Port 1 Ch 1 Port 2 Ch 2 B C D 10 BASE 2 Backbone Use Windows OEM software connected with a Laplink c...

Page 46: ...address on the subnet The equivalent logical network is also shown below COM1 2 COM1 COM2 Ethernet A All PowerTALK 101s set to 9600 8E2 or as required by application PC Connections COM1 to Serial1 Ch 1 COM2 to Serial2 Ch 2 Ethernet Backbone B Settings A B C Ch 1 to Serial1 used by device type ABC Ch 2 to Serial2 used by device type XYZ Settings D Ch 1 to Serial 1 2 used by device type ABC C D RS 4...

Page 47: ...PowerTALK 101 46 To the PC master station it appears to be connected to two separate transparent serial links COM1 COM2 Equivalent virtual network as seen by the PC ...

Page 48: ... specified channel on Ethernet All PowerTALK units will listen for packets on the Ethernet bearing the specified channel If a PowerTALK unit sees a packet destined for any of its serial ports the packet gets disassembled and the serial data contained within is output into the relevant port All PowerTALK 101 units are factory set as follows all Ports 1 on all PowerTALK units are connected to channe...

Page 49: ...pback cable Laplink cable from S1 to S2 Loss of communication to configure PowerTALK 101 If the serial ports are accidentally configured to unknown settings one may not be able to re establish configuration with PowerTALK 101 via the serial port i e if you ve set it to 6 bits 1200 baud even parity and you don t know the port details you wouldn t be able to communicate In this case one can still ac...

Page 50: ... Ethernet bridges learn where the various MAC addresses on your network are and forward packets accordingly They will normally forward all PowerTALK 101 packets perfectly but some bridges allow filtering of packets based on certain criteria for example broadcasts can be discarded If broadcasts are disabled the PowerTALK 101 network will not see units on the far side of the bridge The same applies ...

Page 51: ...eplies IP header 2 bytes IP Version 4 header length 20 TOS 16 4510h 2 bytes IP packet length including header 2 bytes identifier packet number unique over a short period 2 bytes fragmentation 00 2 bytes TTL 64 protocol 17 UDP 4011h 2 bytes header checksum 4 bytes Source IP number 4 bytes Destination IP number UDP header 2 bytes Source port variable 2 bytes Destination port 7000dec 2 bytes length o...

Page 52: ...isolation PowerTALK 100B 7SS50 V4 xx Event logger Printing hard copies of important events ON BOARD IMPACT PRINTER Constant polling of 7SS50 Fault trip recognition and automatic report printing 2 5kV isolation No picture available PowerTALK 103 Isolated dual RS 232 to RS 485 converter For industrial communication networks CAPABLE OF CONNECTING 64 SIMILAR UNITS ON RS 485 Two master slave modes Opti...

Page 53: ...istory of changes to this manual from release 1 Release 2 Small changes are not listed Added commit under PT EXE examples Added section on PowerTALK 98 Clarified some of the sketches Added section on battery replacement ...

Page 54: ...PowerTALK 101 53 Notes ...

Page 55: ...PowerTALK 101 54 ...

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