stellar labs STA2000 Series Operation Manual Download Page 8 | Manualshive

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© e2v technologies (uk) limited 2010

DAS768892AA

Version

1,

page

8

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Summary of Contents for STA2000 Series

Page 1: ...no liability beyond the set out in its standard conditions of sale in respect of infringement of third party patents arising from the use of tubes or other devices in accordance with information cont...

Page 2: ...ed between the amplifier and an adjacent earth point before applying the mains supply and should only be removed after disconnecting the amplifier from the supply The external protective earth conduct...

Page 3: ...e amplifier may occur if the RF input drive level or the input frequency are outside the limits given in the specification for the model see section 1 1 Environmental Do not block or poke objects thro...

Page 4: ...ng lure The form must be returned 4 ing is in good condition use it to return the product If the original packaging ologies can supply suitable replacement packaging for a small charge 5 ackaging with...

Page 5: ...4 3 4 Amplifier Transmit State 17 4 4 UP CONVERTER OPERATION 17 4 5 RF SAMPLE PORT 17 5 USER INTERFACES 18 5 1 PIN IDENTIFICATION 18 5 2 USER INTERFACE FEATURES 19 5 2 1 Indicator Outputs Type 1 19 5...

Page 6: ...iversal Command Messages Requesting Data 31 6 3 4 Command Messages Requesting Longer Data Strings 33 6 3 5 Command Messages Passing Parameters 33 6 3 6 Response to an invalid command message 33 6 4 AP...

Page 7: ...pplied with Test results B for Ku DBS and Tri band ble mains cable connecting plug and residual 1 1 RA E he STA2000 series of antenna mount amplifiers includes the following RF system options see gure...

Page 8: ...Figure 1 Figure 2 e2v technologies uk limited 2010 DAS768892AA Version 1 page 8...

Page 9: ...ier within the specified environmental limits CLEANING The amplifier is designed for use in harsh environments without additional protective covers The internal forced air cooling system relies on the...

Page 10: ...as standard with an air cowl the normal orie which is pointing towards the base of the unit avoiding the direct entry of driving rain Note There is a drainage hole in the cover to prevent the build u...

Page 11: ...rive level should not exceed 10dBm for pre amplifier option C and 10dBm for pre amplifier options A D or Z f the amplifier is to be used in applications where it is exposed to I a recommended that all...

Page 12: ...runaway This is a prime consideration whe In any other instance if there is significant additional obstruction to the airflow then it may b necessary to provide externally forced or cooled air to the...

Page 13: ...ier can be operated from mains supplies of 200 to Both the live and neutral connections on the amplifier are fully rated and isolated for maximum lin voltage full transient and noise immunity The ampl...

Page 14: ...erator is not connected to the amplifier this may offer a method of partially balancing a number of low power single phase loads operated from small generators If the amplifier is connected bi phase a...

Page 15: ...lly in the transmit state with 1W of set Each amplifier monitors the status of If the amplifier routed to the antenna develops a fault conditi the low power alarm setting 1W minimum low power ntrol sw...

Page 16: ...t It before disconnecting the amplifier fro MAINS SUPPLY INTERRUPTIONS t is common I interrupted This section details the behaviour of the amplifier und ransmitting t Interruption 30 mS the amplifier...

Page 17: ...ain an integral L band block up converter BUC Inclusion of the BUC enables the input signal to be in the L band range as defined in table 1 overleaf The BUC may be synchronised with an external 10 MHz...

Page 18: ...N GND Ground P EXT INTLK External interlock input R ADD 0 Address select 0 S ADD 1 Address select 1 T 15V 15V output U ADD SEL Address select V CTRL O R Control override select W MUX 0 Multiplexed fa...

Page 19: ...open M 01000 01001 01010 Cooling fan failure P 01011 TWT collector too hot M 01100 01101 01110 Case too hot M 01111 10000 10001 Heater voltage outside limits M 10010 10011 Collector voltage outside li...

Page 20: ...I MON Provides a 0 to 10Vdc analogue output that corresponds to a TWT Helix current range of 0 to 10mA This output is a linear 1 mA V Maximum output impedance 100 5 2 4 Control Inputs Type 1 The foll...

Page 21: ...he EXT INTLK input is opened whilst the amplifier is in the transmit state then the amplifier is automatically placed into the fault state In order to return to the transmit state the EXT INTLK input...

Page 22: ...n this mode all indicator outputs and other control inputs excluding the XMIT operate as normal 15V Black box mode Not connected Normal mode 5 2 7 Miscellaneous Functions 15V Auxiliary supply output o...

Page 23: ...ntrol feature if set indicates that the amplifier is routed to the Antenna If no set indicates that the amplifier is route to the Load See section 6 1 3 for details on the operation of the redundant s...

Page 24: ...amplifier has no 10MHz locking signal multiplexed onto the 1 RF input This flag is only active if the amplifier contains an up converter module type numbers with a U in the suffix This is an advisory...

Page 25: ...and low power alarms feature The associated fault flags are detailed in section 6 1 2 Set low power alarm Allows the low power alarm level to be set in watts or disabled when set to zero see section...

Page 26: ...t Helix current A command message requesting data that results in a response showing the helix current in mA If a request is sent in any state other than transmit the response will show helix current...

Page 27: ...other control inputs and monitor outputs remain active 6 1 13 RF band selection Multi band amplifiers usually require changes to operating parameters to optimise RF performance at different frequency...

Page 28: ...or arrangement typical conductor size of 24 to 26 AWG screened in aluminised tape with an overall tinned copper braid A pin is provided on the connector for the connection of a drain wire if available...

Page 29: ...the command 6 2 7 Message Timing The maximum time between each character of a message must not excess 10 ms and a pause of 10mS minimum should be inserted after a command message to allow units to re...

Page 30: ...lised ASCII and hexadecimal form using the address 5 35H for specific examples The expected response message for each command is show using the same format Note ASCII non printable characters are encl...

Page 31: ...questing Data Command ASCII Hex Amplifier type 0 30h Command Gen STX address 0 ETX checksum ASCII STX 50 ETX EOT Hex 02 35 30 03 04 Response Gen ACK address 0 mmmmmnn ETX checksum ASCII ACK 50217501 E...

Page 32: ...ifier D4 Function D5 Function Bit 7 Parity bit 7 Parity Bit 6 1 bit 6 1 Bit 5 0 bit 5 0 Bit 4 0 bit 4 0 Bit 3 0 bit 3 PFC fault Bit 2 External interlock bit 2 Reflected power Bit 1 HV overload bit 1 M...

Page 33: ...ress A ETX checksum ASCII ACK 5A ETX q Hex 06 35 41 03 71 The alarm setting is sent as nnn where nnn is in watts leading zeros not required The alarms are disabled by setting to zero A 0 B 0 The atten...

Page 34: ...heck the following Ensure that the data connector is correctly wired Rx Rx are not reversed etc Check that the amplifier data rate is the same as that of the master should be set to 9600 baud Ensure t...

Page 35: ...ta sheet Stellar 750W X Band Antenna Mount TWTA STA2375 Series Data sheet Stellar 750W Ku Band Antenna Mount TWTA STA2450 Series Data sheet Stellar 500W DBS Band Antenna Mount TWTA HBN6143 1 N6143 Ope...

Page 36: ...ontroller If the requirement is for a two amplifier redundant system the following wiring can be used A personal computer can be used in place of the N6143 controller commands and protocols are detail...

Page 37: ...undant Configuration with Manual Control Basic control functions can be obtained by using manual toggle switches An example of the interface wiring for this is as follows e2v technologies uk limited 2...

Page 38: ...PENDIX C This circuit is connected to the indicator outputs OFF IND WARMUP IND STBY IND XMIT IND and SUM FLT IND as described in Section 5 2 1 e2v technologies uk limited 2010 DAS768892AA Version 1 pa...

Page 39: ...plifier controller N6143 can still be used in this set up as it is fully configurable to either single or dual amplifier mode of operation The N6081D is a low cost single amplifier controller that als...

Page 40: ...lication of prime power the amplifier will automatically enter the XMIT state after 3 minutes of warm up 2 To enter the OFF state switch 2 must be in the STBY position prior to the OFF state being sel...

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