GembusHub user manual
Contents
1. Apstar Limited In Control since 1988 GembusHub user manual Unit 7 North Staffs Enterprise Centre Innovation Way Stoke on Trent ST6 4BF Issue 001 8 June 2015 2015 Apstar Limited Phone 01782 834177 Fax 01782 838264 J E mail mail apstar co uk 7 a Revision History Revision Date Comment Page 2 GembusHub user manual 001 1 GembusHub Features 1 1 Gembus Control and monitor up to 400 Gemstarts Scan 400 Gemstarts in under 500ms RS485 ports x 4 for direct connection to Gemstarts Uses the native Gemstart protocol Gembus Link speeds up to 115200 Configuration data for all 400 Gemstarts retained through a power down Full support for Group Data Configuration Data Broadcast commands Group Control Compatible with Gemstart 1 to Gemstart 5 1 1 1 Ethernet 100Mbit Ethernet Interface Control and Monitor via Modbus TCP IP Up to 16 Modbus TCP IP simultaneous connections User defined IP address ranges for attached clients 1 1 2 USB Serial Modbus access via the USB port 1 1 3 GembusHub GembusHub configuration settings retained through a power down One GembusHub at each end of the link can be used with one in control and the other in standby Gemstart configuration via Ethernet or USB Modbus interface USB Connector Power Connector Switchable termination resistors Diagnostic LED indications Gem busH U b EE Ethernet Connector Unit ID E Modbus Termination Gembu2. Download Status Device Updated Device successful updated D ci Connection time 21s Connection time gt 30s powers the clack for 3 days bort Download Disconnect the USB lead and the update program will auto close Page 12 GembusHub user manual 001 10 Remote Reboot Sometimes it is useful to be able to remotely reset the GembusHub eg after changing the Modbus TCP IP Port setting which is only used during startup A remote reboot can be actioned by writing REBOOT to the time setting registers with a single multi register write to 6 registers ie Write Address 100 Write Length 6 registers Register 100 82 Ascii R Register 101 69 Ascii E Register 102 66 Ascii B Register 103 79 Ascii O Register 104 79 Ascii O Register 105 84 Ascii T There will be no reply to this message and the GembusHub will immediately reboot Comms to the Gemstarts will stop for about 2 7s Page 13 GembusHub user manual 001
3. e it takes for the GembusHub to read back that the contactor has closed This is probably the longest delay in the sequence and is equal to the scan time for the link The scan time is equal to the number of Gemstarts in the scan plus 1 times the slot time SCADA poll delay The time between reads performed by the SCADA system 6 1 Gemstart Slot and Scan Times The times are the milliseconds per Gemstart in the scan range le for a scan of 0 to 99 multiply these figures by 100 To calculate the scan time add 1 to the number of Gemstarts in the scan and multiply it by the Gemstart Slot time Eg for a scan range of 100 Gemstarts at 19200 and normal status then the scan time will be about 100 1 4 2 424ms Gemstart Slot times in ms Control Number of 9600 19200 38400 57600 115200 Code Registers read Normal Status 0 2 oo e 6 1 1 Example For G10 Status from 100 Gemstarts at 19200 the send and confirm time is Modbus Gembus Broadcast Action Delay Contactor Time Detection Delay Scan Time 2 2 14 5 15 20 101 11 1175ms This can be improved by using a faster baud rate smaller scan range or smaller status message Page 10 GembusHub user manual 001 7 USB The USB port allows local access to the GembusHub data map The port can also be used to see diagnostic information generated by GembusHub See the Data Map document for a description of how to access the diagnostic data 7 1 USB Ins
4. ector Pin Description 1 left 12V to 24V dc Earth for metal box 4 1 Gembus Connector The up to 100 Gemstarts are connected to the GembusHub via the 4 wire RS485 link Wire GembusHub Tx to Gemstart Rx and wire to to GembusHub GembusHub Gemstart Pin number Description Description 1 left Tx Rx 2 Tx RX Screen No connection 4 2 Termination The two ends of the link should be fitted with 1200hm termination resistors Normally the GembusHub will be fitted to one end of the link In this case the built in termination resistors should be turned on using the front panel dip switches At the other end of the link from the GembusHub you should add a 1200hm termination resistor connecting Rx and Rx and another resistor connecting Tx and Tx Historically some networks were terminated with a 2200hm resistor to reduce the loading Only use this if the 1200hm resistor causes communication errors Rx Rx Tx Tx Rx Rx Tx Tx Add separate termination resistors or use a Standby Gembus Hub Tx Tx Ii are Rx Page 6 GembusHub user manual 001 4 3 Standby Operation On higher security installations a second GembusHub can be added to the link to provide a backup system The best place to fit this is at the other end of the link from the primary GembusHub This way the built in termination resistors can be turned on When using two GembusHubs in the same link only one of the Hub
5. esting not active normal operation results FEE All six status LEDs are switched to green CS All six status LEDs are switched to red 3 00000 All six status LEDs are switched to yellow A All six status LEDs are switched to cycle through colours Page 9 GembusHub user manual 001 6 Control Timing The time it takes for a command to be actioned and confirmed is dependant on a number of factors Reference Description command This is under the control of the SCADA system Modbus TCP IP time In tests up to 400 Modbus TCP IP messages can be processed per second by the GembusHub So factor in a delay of around 2ms to actually send the Modbus TCP IP message Gemstart Slot time This is the time it takes for the GembusHub to send a message and get a reply from one Gemstart This depends on the size of the message See the table below for example Gemstart Slot times Command Broadcast time The fastest way to get the new command out to the Gemstart is to enable Broadcast Mode If this is enabled then the longest time possible is 2 Gemstart Slots see above Gemstart Action Delay This is the time it takes for the Gemstart to react to the broadcast or standard command once it has received it Less than 5ms Contactor Open Close Delay The reaction time of the contactor Typically this is 13 to 20ms Gemstart Detection Delay The time for Gemstart to detect that the contactor has opened Typically this is 20ms GembusHub Scan Time The tim
6. s Once Simple diagnostics has connected to the GembusHub enter without the quotes and enter This enables the diagnostics Up to 8K of diagnostics history will be downloaded Sometimes you have to enter the twice Page 11 GembusHub user manual 001 9 Reprogramming Make sure you have disconnected your Modbus application and that Simple Diagnostics is also disconnected from the USB port Get the latest GHubV1 60 xx xx exe file from Apstar Run the exe file Device Connected If it doesn t say it s connected then double check nothing else is connected to the GembusHub Connection Details M Auto Connect Connection Status Device not Connected W Device Connected Device Ready to Update Version Info It tells you which version is in the device and which version you are about to reprogram it with Application Code Refresh Version Details Installed V1 60 64 1 ssum 0123486678 Mar 20 2075 21 46 29 Update 1 60 64 1 eur O868DFA0 9 Mar 20 2015 21 46 29 Update GembusHub Click Single Auto Automation Mode Single Auta f Multiple Auto T arnat Indata Wait for Completion Once the Device Updated text appears the device has been updated SS I Se a a Update Events Update Results COME opened Updated no change Application download Updated changed Download finished in 6eme a Requesting results M Download Verified Restarting device COME closed COME opened
7. s Connections Modbus Termination Resistors RTU DIP Switches TCP IP x lt amp di N Gembus 1 Page 3 GembusHub user manual 001 Gembus 2 Gembus 3 Gembus 4 Serial link connectors 2 GembusHub Operation The GembusHub is a fully functioning host for 4 links of Gemstarts with up to 100 Gemstarts on each link An attached Modbus client PLC or SCADA system writes commands to the GembusHub which in turn are passed on to the attached Gemstarts As the commands are sent out the status of each Gemstart is read back into the GembusHub data map The client system can read the status of each Gemstart at any time The GembusHub presents data in two main forms 1 General GembusHub data This is data that is general to the unit or to all four Gembus links It is available to a client device which should access this data by using Modbus messages to station ID 16 Gembus link specific data Four identical data areas are available for clients to read and write each one being specific to one of the four Gembus links The client must use the following station ID s to access each area Gembus Link 1 station 17 Gembus Link 2 station 18 Gembus Link 3 station 19 Gembus Link 4 station 20 refer to the Modbus data map for full details of the data structures that are available for client access Please Station 16 General Data Area Read Write Unit configuration data Station 17 Link 1 Data Area Read Gemstart Status Gemstar
8. s can be enabled at any one time Set the Link Control register to 1 or 2 to enable transmission The other GembusHub Link Control should be set to 0 to disable transmissions In standby mode Link Control set to 0 the Link Status register 512 or 1101 is still updated on the basis that if any data is received then another GembusHub must be talking to the Gemstarts to generate a reply If no Gemstart replies are seen for 2s then the status flag is cleared to 0 Page 7 GembusHub user manual 001 5 LED indications 5 1 PSU LED LED Description 2 Red flashes Power from USB only No Gembus functionality Slow g y r cycle USB connected GembusHub powered from 12 24V supply Healthy 5 2 Gembus LEDs Description Link disabled no transmissions Not receiving any data which suggests nothing is communicating with any Gemstart OR running on USB power only which does not support Gemstart comms 2 Green Flashes Link disabled no transmissions Still receiving data which suggests another GembusHub is communicating to the Gemstarts 5 3 Network LED LED Description 5 4 Network Connector Left LED Description Good link Right LED Description Link Activity NB Not necessarily to this device Page 8 GembusHub user manual 001 5 5 LED Testing Register 207 can be used to test all 8 LEDs without affecting the functionality of GembusHub To test write the following values in to register 4x207 Value Result 0 000 T
9. t Load Gemstart Faults Link Statistics Write Start Commands Stop Commands Priority Commands Resets Read Write Configuration Data Station 18 Link 2 Data Area Read Gemstart Status Gemstart Load Gemstart Faults Link Statistics Write Start Commands Stop Commands Priority Commands Resets Read Write Configuration Data Station 19 Link 3 Data Area Read Gemstart Status Gemstart Load Gemstart Faults Link Statistics Write Start Commands Stop Commands Priority Commands Resets Read Write Configuration Data Station 20 Link 4 Data Area Read Gemstart Status Gemstart Load Gemstart Faults Link Statistics Write Start Commands Stop Commands Priority Commands Resets Read Write Configuration Data 16 Modbus TCP IP Clients Max each of which can access all of the data areas shown 1 Modbus RTU Master which can access all ofthe data areas shown Page 4 GembusHub user manual 001 3 Technical Specification PSU 12 to 24V dc 20 250mA Power 3W Weight 600g Mounting DIN Rail or Surface Mount Connectors Phoenix MC1 5 Series 3 8mm pitch connector 3 way for PSU Phoenix MC1 5 Series 3 8mm pitch connector 5 way for Gembus Ethernet 10 100Mbit RJ45 USB USB type B connector Appears as a COM port on PC Windows will need an inf file for installation Please download latest version from our web site Page 5 GembusHub user manual 001 4 Connections Power Conn
10. tallation Connect the GembusHub to the PC using the USB connector If the PC tries to install the driver then point it to the relevant inf file which can be found in https www dropbox com sh anng3leype1n2wx AAD TeEGRr1 p7hdpiirwROna dl 0 and follow the installation instructions Once installed look in the Device Manager Ports section to see which com port has been allocated to Apstar GembusHub WinX Driver 8 USB Diagnostics Text based debug and diagnostics messages can be accessed via the USB port These messages can be turned on from a windows terminal program such as SimpleDiagnostics by typing a question mark Disconnecting the Terminal Window and connecting to a Modbus terminal again will disable the diagnostics This is essential information to locate any problems that may arrive Make sure the Modbus driver and the reprogramming application are not connected to the USB port Get SimpleDiagnostics from the dropbox https www dropbox com sh anng3leype1n2wx AAD TeEGRr1 p7hdpiirwROna dl 0 Start it up and set the com port to that allocated to the Apstar GembusHub WinX Driver Set GembusHub USB Port checkbox on Click Connect Useful options are e Timestamp e Log to Disk e Auto Connect Simple Diagnostics V7 10 October 14 Baud Com Port Status Time Stamp Beep Parity Com Port 5 opened Log to Disk Hex Mode Com Port Disconnect M Auto Connect M PHub USE Port Control Code
Download Pdf Manuals
Related Search