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Varedan Technologies LA Series Product User Manual
Summary of LA Series
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Varedan technologies la series stand-alone linear amplifiers product user guide revision a10
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La stand-alone product user guide page 2 record of revisions rev date valid for description a1 07/20/2011 all units initial release a2 10/15/2011 all units revise part numbering a3 11/11/11 all units add connection drawing a4 6/1/2012 all units correct mating cpc part numbers a5 6/18/2012 all units ...
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La stand-alone product user guide revision a7 page 3 technical changes to improve performance may be made at any time without notice! All rights reserved. No part of this work may be reproduced in any form without written permission from varedan technologies..
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La stand-alone product user guide revision a7 page 4 contents 1 introduction .......................................................................................................................................... 6 1.1 model numbering .................................................................
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La stand-alone product user guide revision a7 page 5 4 serial parameter settings .................................................................................................................. 27 4.1 p – parameter command ..............................................................................
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La stand-alone product user guide revision a7 page 6 1 introduction the la series stand-alone linear amplifier system is an ac line powered unit based on the la series current-mode linear amplifiers. Some of the key features of this system: available in 4 power levels available in single/two-phase o...
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La stand-alone product user guide revision a7 page 7 model numbering the la series stand-alone linear amplifier system is available in various power options and in either single-phase or 3-phase models. Model number breakdown: la-415-sa-t linear amplifier power level (see table) stand alone package ...
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La stand-alone product user guide revision a7 page 8 1.2 specifications 800w parameter la-830-sa-s la-830-sa-t output phases 1 or 2 3 peak output current 30a continuous output current 15a peak output power (25°c) 1500w continuous power dissipation (25°c) 800w weight 26.0lbs size - height 7.93 in. Si...
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La stand-alone product user guide revision a7 page 9 1.3 safety information read this information before operating this system. 1.3.1 grounding the ac power connection to the box must have a connection to ground. Caution the la standalone must be plugged into a properly grounded ac outlet. Failure t...
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La stand-alone product user guide revision a7 page 10 2 system installation 2.1 mechanical dimensions 2.1.1 200w, 400w, 500w case dimensions figure 1: la standalone dimensions for 200w, 400w and 500w units.
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La stand-alone product user guide revision a7 page 11 2.1.2 800w case dimensions figure 2: la standalone dimensions for 800w units notes: a: 0.2in x 0.313in slot for unc 10-32 screws (8 places) 1) all dimensions in inches 8.75 1.22 17.28 a a 6.22 0.21 a a 17.28 17.70 a a 0.21 7.93 1.94 a 4.03 a.
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La stand-alone product user guide revision a7 page 12 2.2 selecting a mounting area the unit should be mounted in a solid, clean, dry location with adequate ventilation. Avoid mounting areas that: obstruct the intake or exhaust of the internal forced air cooling. Allow dust, debris to enter and cont...
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La stand-alone product user guide revision a7 page 13 2.3 front panel ac input selector panel 115 / 230vac ac power switch on / off fan exhaust / exit rs232 interface aux. I/o interface ac input module 14 pin cpc motor connector usb connector reset switch led display signal connector bnc connectors.
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La stand-alone product user guide revision a7 page 14 2.3.1 ac input the la stand-alone amplifier can accept ac input voltages of 100 – 120 and 208 - 240vac at 47 – 63hz. Note that the stand-alone amplifier utilizes an unregulated linear power supply. Therefore a higher ac input (for a given range) ...
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La stand-alone product user guide revision a7 page 15 2.4 interface connections 2.4.1 motor connector (j1) cpc-14 pin # description 1 motor phase c or single-phase - 6 motor phase b or single-phase + 8 motor phase a (not used for single-phase) 14 gnd mate: varedan 4006-62 includes the following: tyc...
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La stand-alone product user guide revision a7 page 16 2.4.7 signal connector electrical interface the following drawings illustrate the electrical interface for the j8 & j9 signal connectors. Note that there are 2 configurations available from the factory, one with optical isolation and one without....
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La stand-alone product user guide revision a7 page 17 2.4.7.2 j8 & j9 electrical interface, non-isolated the following drawing shows the non-isolated interface for j8 and j9. Note: pin outs are shown for db15m connector option. Refer to 2.4.8 or 2.4.9 as appropriate.
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La stand-alone product user guide revision a7 page 18 2.4.8 signal connector (j8) db-15 female note: two different genders of j8 are used. Be sure to use the correct pin out (male or female). Pin # description 1 common - signal ground 2 limit + input - active high input, internally pulled high (3.3v...
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La stand-alone product user guide revision a7 page 19 2.4.9 signal connector (j8) db-15 male note: two different genders of j8 are used. Be sure to use the correct pin out (male or female). Pin # description 1 command a+ input - +/- 10vdc command input. Used in both single ended and differential mod...
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La stand-alone product user guide revision a7 page 20 pin 1 pin 5 pin 6 pin 9 2.4.10 rs232 connector (j3) db-9f pin # description 1 no connection 2 rs232 receive - data into amplifier 3 rs232 transmit - data from amplifier 4 no connection 5 ground 6 no connection 7 no connection 8 no connection 9 no...
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La stand-alone product user guide revision a7 page 21 2.4.11 auxiliary i/o connector (j9) db-9m pin # description 1 motor temperature switch input - ground to enable amplifier (switch closed). Pulled up to +5vdc. 2 common - use as return for motor temperature switch. 3 common - ground 4 hall c input...
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La stand-alone product user guide revision a7 page 22 2.4.12 7-segment display the 7 segment led display on the front panel shows the status of the controller in real-time. The following table lists the front panel led display codes and their meaning. If multiple errors are present, the display will...
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La stand-alone product user guide revision a7 page 23 heatsink over temp – set when the heat sink temperature is above 70 c. Remove power and allow the unit to cool before attempting to run again. Overcurrent – set when amplifier detects an overcurrent condition. (“l”ow speed circuit breaker). Bus u...
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La stand-alone product user guide revision a7 page 24 3 establishing communications the la standalone amplifier communicates via a rs232 port or usb port at 19200 baud. A serial communication program such as hyperterminal can be used for communications. The standard settings are 8 data bits, 1 stop ...
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La stand-alone product user guide revision a7 page 25 3.3 serial commands the following commands are supported over the serial port communications interface. 3.3.1 a – alarm reset this command allows viewing or resetting the alarm status. “a” with no parameter is used to read the alarm status. “a 1”...
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La stand-alone product user guide revision a7 page 26 3.3.9 m – mode this command is used to view or set the commutation mode of the drive. M0 sets trapezoidal commutation, m1 sets sinusoidal 2 phase input commutation. The “m command can only be used to view the commutation setting if jumpers are in...
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La stand-alone product user guide revision a7 page 27 4 serial parameter settings the user parameter settings are configured either by jumpers or via the serial interface. When jumpers are used, the serial interface can only be used to read the jumper settings. If no jumpers are installed, the softw...
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La stand-alone product user guide revision a7 page 28 4.2 software parameter setting table summary p0 – transconductance value p0 value la-210 la-415 la-525 dac single end/differential 0 0.25 0.8 1.0 differential (bipolar) 1 0.5 1.0 1.5 differential (bipolar) 2 0.75 1.2 2.0 differential (bipolar) 3 ...
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La stand-alone product user guide revision a7 page 29 figure 9. Typical three-phase mode connections.
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La stand-alone product user guide revision a7 page 30 figure 10. Typical single-phase mode connections.
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La stand-alone product user guide revision a7 page 31 5 troubleshooting 5.1 autobalance the amplifier has a built-in algorithm for balancing the linear amplifier power stage. Normally it is not necessary to perform this procedure as the amplifier stage is balanced at the factory. Due to the inherent...
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La stand-alone product user guide revision a7 page 32 6 appendix a – serial interface details this section describes the details of the serial communication messages. The only white space character used in this protocol is the space (ascii 0x20). All lines are terminated with a carriage return and l...
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La stand-alone product user guide revision a7 page 33 6.2 alarm messages sent in response to “a” command or upon detection of alarm condition. 16 possible responses, 14 characters in length. "alarm = dsp " "alarm = nvm " "alarm = halls " "alarm = amp ot" "alarm = mot ot" "alarm = abs oc" "alarm = rm...
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La stand-alone product user guide revision a7 page 34 6.5 factory default message in response to the “f” command: "loading default parameters" “>” 6.6 help messages in response to the “h” command: “command list” “a = show/reset alarm status” “e= set/view enable status enable=1 disable=0” “f = load f...
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La stand-alone product user guide revision a7 page 35 6.7 list messages in response to the “l” command: “bus+= 0 v” “bus-=-0 v” “vpha= 0 v” “vphb= 0 v” “vphc= 0 v” “ipha= 0.0 a” “iphb= 0.0 a” “iphc= 0.0 a” “+15 = 15.2 v” “-15 =-15.2 v” “+5 = 4.9 v” “+5ex= 4.9 v” “+2.5= 2.50 v” “-2.5=-2.50 v” “temp= ...
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La stand-alone product user guide revision a7 page 36 6.10 fault history messages in response to the “y” command: cr/lf “alarm history (last to first)” cr/lf “alarm = bus uv” cr/lf “alarm = 15vref” cr/lf “alarm = 15vref” cr/lf “alarm = bus uv” cr/lf “alarm = 15vref” cr/lf “alarm = abs oc” cr/lf “ala...
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La stand-alone product user guide revision a7 page 37 6.12 soa fault history messages in response to the “ys” command: cr/lf “saved soa history” cr/lf “cnts= 0” “maxp= 0 w” “actp= 0 w” “bus+= 0.0 v” “bus-=-0.0 v” “vpha= 0.0 v” “vphb= 0.0 v” “vphc= 0.0 v” “ipha= 0.0 a” “iphb= 0.0 a” “iphc= 0.0 a” “te...
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La stand-alone product user guide revision a7 page 38 7 appendix b – firmware updates it may become necessary to update the firmware in the controller if a new release of code becomes available, or if additional features are added. Updates are easily done in the field using a personal computer with ...
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La stand-alone product user guide revision a7 page 39 8 sales and service varedan technologies 3870 del amo blvd suite 503 torrance, ca 90503 1-310-542-2320 www.Varedan.Com sales@varedan.Com.