Moog G122-829A001 Application Notes
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Moog G122-829A001 Application Notes

P-i servoamplifier
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Application Notes
1 Scope
These Application Notes are a guide to applying the
G122-829A001 P-I Servoamplifier. These Application Notes
can be used to:
  D etermine the closed loop structure for your application.
  S elect the G122-829A001 for your application. Refer also
to data sheet G122-829.
  U se these Application Notes to determine your system
configuration.
  Draw your wiring diagram.
  I nstall and commission your system.
Aspects, such as hydraulic design, actuator selection, feedback
transducer selection, performance estimation, etc. are not
covered by these Application Notes. The G122-202 Application
Notes (part no C31015) cover some of these aspects. Moog
Application Engineers can provide more detailed assistance,
if required.
2 Description
The G122-829A001 is a general purpose, user configurable,
P-I servoamplifier. Selector switches inside the amplifier enable
either proportional control, integral control, or both to be
selected. Many aspects of the amplifier's characteristics can
be adjusted with front panel pots or selected with internal
switches. This enables one amplifier to be used in many
different applications. Refer also to data sheet G122-829.
3 Installation
3.1 Placement
A horizontal DIN rail, mounted on the vertical rear surface
of an industrial steel enclosure, is the intended method of
mounting. The rail release clip of the G122-829A001 should
face down, so the front panel and terminal identifications
are readable and so the internal electronics receive a cooling
airflow.
An important consideration for the placement of the module
is electro magnetic interference (EMI) from other equipment
in the enclosure. For instance, VF and AC servo drives
can produce high levels of EMI. Always check the
EMC compliance of other equipment before placing
the G122-829A001 close by.
3.2 Cooling
Vents in the top and bottom sides of the G122-829A001 case
provide cooling for the electronics inside. These vents should
be left clear. It is important to ensure that equipment below
does not produce hot exhaust air that heats up the G122-829.
P-I Servoamplifier
G122-829A001
Top vents
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17
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23
MOOG
feedback
valve
gain
enable
zero
scale
inp.1
dither
P
gain
Vs
I
gain
in posn.
bias
controller
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3
4
5
6
7
9
10
11
12
13
14
15
Bottom
vents
Cooling
airflow
Page 1 of 6: C70861 Rev E – 07.14
Cover
release
tab (4)
Screw
terminals
17 - 32
32
24
DIN rail
8
Screw
16
terminals
1 - 16
DIN rail
release
clip

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Summary of Contents for Moog G122-829A001

  • Page 1 17 - 32 G122-829A001 P-I Servoamplifier. These Application Notes can be used to:   D etermine the closed loop structure for your application.   S elect the G122-829A001 for your application. Refer also DIN rail to data sheet G122-829. MOOG ...

  • Page 2: Set-Up Adjustments

    Alternative Wiring Pin 8 3.4 EMC I Lim The G122-829A001 emits radiation well below the level called for in its CE mark test. Therefore, no special precautions are 4-20mA out required for suppression of emissions. However, immunity from  bottom board switch, shown as [ ]...

  • Page 3: Input Configuration

    45mA is required, select be adjusted for this arrangement. 30,10 and 5. The output can drive all known Moog valves up to ±100mA. The maximum load at I (Amp) output is: Adjusting feedback amp for 4-20mA input and RL max = –...
  • Page 4 9 P-I selection 14 Dither For position closed loops, initially select only P (SW6:2). For The dither frequency is fixed at 200Hz and the level is adjustable with the front panel pot to ±10% of valve drive, pressure or velocity loops select I (SW6:4) initially and then P. regardless of the type and level of valve drive selected.

  • Page 5: Specifications

    Error amp: Unity gain. 19 Internet Bias ±1.5V. Proportional amp gain: 1 to 20 with R17 = 100k (default). www.moog.com/dinmodules Max gain 2000 with R17 = 10M. Integrator gain: 1 to 45 per second. Integrator input: Switch selectable from output of unity gain error amp or proportional gain amp.
  • Page 6 Moog Australia Pty. Ltd. Telephone: 03 9561 6044. Fax: 03 9562 0246. Moog pursues a policy of continuous development and reserves the right to alter designs and specifications without prior notice. Information contained herein is for guidance only and does not form part of a contract.

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