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Elmo SSA Series Brushed DC Servo Amplifiers (view source)
Revision as of 03:07, 17 March 2019
, 03:07, 17 March 2019initial page creation
== Overview ==
Brushed DC servo amplifiers, supports current mode or tachometer feedback for velocity mode. The settings are set using resistors and capacitors across SIP sockets, though sometimes they are soldered to a monolithic PCB that is mated to the sockets instead.
== Model Numbers ==
Page 7 in the "MAN_SSA_UG_EN_0698.pdf" (SSA Series manual) describes the model number scheme ("type designation").
== Wiring Diagram ==
In the "MAN_SSA_UG_EN_0698.pdf" (SSA Series manual):
Page 14 shows the block diagram of the amplifier, showing where the external resistors/capacitors are being inserted into the circuitry.
Page 15 shows the physical layout of the user configurable resistors/capacitors, the potentiometers, and the connectors.
Page 16-17 describe the connector pinouts. More detailed information is in subsequent pages.
== Resistor/Capacitor Settings ==
Default values shown for an SSA-8/100:
{| class="wikitable"
! Name
! Value
! Usage
|-
| C3
| [DNP]
| (used for velocity mode, removed in current mode)
|-
| C11
| 10nF X7R
| (used in current loop, set to standard value)
|-
| C12
| 10nF X7R
| (used for velocity mode, not sure about current mode)
|-
| C41
| 10nF X7R
| (used for velocity mode, not sure about current mode)
|-
| R40
| [DNP]
| continuous current limit (set to rated max when not present)
|-
| R11
| [DNP]
| (used for velocity mode, removed in current mode)
|-
| R6
| 33.2kΩ 1%
| differential input current gain (set at 1.6)
|-
| R7
| 33.2kΩ 1%
| differential input current gain (set at 1.6)
|-
| R12
| 475kΩ 1%
| secondary feedback path gain (irrelevant if C3 not present)
|-
| R1
| [DNP]
| single ended input current gain (set at 5.28)
|-
| R42
| 41.2kΩ 1%
| peak current limit (set at 80% of rated)
|-
| R20
| 100kΩ 1%
| (used in current loop, set to standard value)
|-
| R61
| [DNP]
| (used for velocity mode IxR compensation, not used in current mode)
|}
== Online Resources ==
[https://web.archive.org/web/20131009195844if_/http://www.elmomc.com/support/manuals/MAN_SSA_UG_EN_0698.pdf SSA Series Installation & Operating Manual Rev 6/98] (direct PDF on Wayback Mach
[https://web.archive.org/web/20131009195844/www.elmomc.com/support/manuals/MAN_SSA_UG_EN_0698.pdf SSA Series Installation & Operating Manual Rev 6/98] (Wayback Machine page with PDF frame)
<del>[http://www.elmomc.com/support/manuals/MAN_SSA_UG_EN_0698.pdf SSA SERIES Installation & Operating Manual Rev 6/98]</del> (original source -- remove/relocated)
[https://web.archive.org/web/20131009195911if_/http://www.elmomc.com/support/manuals/MAN-SBAUG.pdf SBA Series Installation & Operating Manual Rev 8/06]
[https://web.archive.org/web/20131009195911/www.elmomc.com/support/manuals/MAN-SBAUG.pdf SBA Series Installation & Operating Manual Rev 8/06] (Wayback Machine page with PDF frame)
<del>[http://www.elmomc.com/support/manuals/MAN-SBAUG.pdf SBA Series Installation & Operating Manual Rev 8/06]</del> (original source -- remove/relocated)
Brushed DC servo amplifiers, supports current mode or tachometer feedback for velocity mode. The settings are set using resistors and capacitors across SIP sockets, though sometimes they are soldered to a monolithic PCB that is mated to the sockets instead.
== Model Numbers ==
Page 7 in the "MAN_SSA_UG_EN_0698.pdf" (SSA Series manual) describes the model number scheme ("type designation").
== Wiring Diagram ==
In the "MAN_SSA_UG_EN_0698.pdf" (SSA Series manual):
Page 14 shows the block diagram of the amplifier, showing where the external resistors/capacitors are being inserted into the circuitry.
Page 15 shows the physical layout of the user configurable resistors/capacitors, the potentiometers, and the connectors.
Page 16-17 describe the connector pinouts. More detailed information is in subsequent pages.
== Resistor/Capacitor Settings ==
Default values shown for an SSA-8/100:
{| class="wikitable"
! Name
! Value
! Usage
|-
| C3
| [DNP]
| (used for velocity mode, removed in current mode)
|-
| C11
| 10nF X7R
| (used in current loop, set to standard value)
|-
| C12
| 10nF X7R
| (used for velocity mode, not sure about current mode)
|-
| C41
| 10nF X7R
| (used for velocity mode, not sure about current mode)
|-
| R40
| [DNP]
| continuous current limit (set to rated max when not present)
|-
| R11
| [DNP]
| (used for velocity mode, removed in current mode)
|-
| R6
| 33.2kΩ 1%
| differential input current gain (set at 1.6)
|-
| R7
| 33.2kΩ 1%
| differential input current gain (set at 1.6)
|-
| R12
| 475kΩ 1%
| secondary feedback path gain (irrelevant if C3 not present)
|-
| R1
| [DNP]
| single ended input current gain (set at 5.28)
|-
| R42
| 41.2kΩ 1%
| peak current limit (set at 80% of rated)
|-
| R20
| 100kΩ 1%
| (used in current loop, set to standard value)
|-
| R61
| [DNP]
| (used for velocity mode IxR compensation, not used in current mode)
|}
== Online Resources ==
[https://web.archive.org/web/20131009195844if_/http://www.elmomc.com/support/manuals/MAN_SSA_UG_EN_0698.pdf SSA Series Installation & Operating Manual Rev 6/98] (direct PDF on Wayback Mach
[https://web.archive.org/web/20131009195844/www.elmomc.com/support/manuals/MAN_SSA_UG_EN_0698.pdf SSA Series Installation & Operating Manual Rev 6/98] (Wayback Machine page with PDF frame)
<del>[http://www.elmomc.com/support/manuals/MAN_SSA_UG_EN_0698.pdf SSA SERIES Installation & Operating Manual Rev 6/98]</del> (original source -- remove/relocated)
[https://web.archive.org/web/20131009195911if_/http://www.elmomc.com/support/manuals/MAN-SBAUG.pdf SBA Series Installation & Operating Manual Rev 8/06]
[https://web.archive.org/web/20131009195911/www.elmomc.com/support/manuals/MAN-SBAUG.pdf SBA Series Installation & Operating Manual Rev 8/06] (Wayback Machine page with PDF frame)
<del>[http://www.elmomc.com/support/manuals/MAN-SBAUG.pdf SBA Series Installation & Operating Manual Rev 8/06]</del> (original source -- remove/relocated)