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Application Notes
1 Scope
These Application Notes are a guide to applying the
G122-829-003 P-I Servoamplifier. These Application Notes
can be used to:
Determine the closed loop structure for your application.
Select the G122-829-003 for your application. Refer also
to data sheet G122-829.
Use these Application Notes to determine your system
configuration.
Draw your wiring diagram.
Install 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 G122-829-003 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. The output amplifier is fixed at 4-20mA.
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 G122-829-003 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 G122-829-003 close by.
3.2 Cooling
Vents in the top and bottom sides of the G122-829-003 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
G122-829-003
Top vents
25
26
27
28
29
30
31
17
18
19
20
21
22
23
MOOG
feedback
valve
gain
enable
zero
scale
inp.1
dither
P
gain
Vs
I
gain
in posn.
bias
controller
1
2
3
4
5
6
9
10
11
12
13
14
15
Bottom
vents
Cooling
airflow
Cover
release
tab (4)
Screw
terminals
17 - 32
32
24
DIN rail
7
8
Screw
16
terminals
1 - 16
DIN rail
release
clip
Page 1 of 6: C70916 Rev B – 4.10
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Summary of Contents for Moog G122-829-003
- Page 1 G122-829-003 close by. 3.2 Cooling Vents in the top and bottom sides of the G122-829-003 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.
- Page 2 Alternative Wiring bottom board switch, shown as [ ] 3.4 EMC [SW1] 1 spare The G122-829-003 emits radiation well below the level called 2 ENABLE 3 DITHER for in its CE mark test. Therefore, no special precautions are 4 4-20mA (fdbk) required for suppression of emissions.
- Page 3 Caution Adjust the feedback gain trimpot until the DMM reads -10.00V. If you intend to use the feedback amplifier adjusted for Set the variable supply to 0.96V again and check the 4-20mA, don’t change the feedback gain or zero. feedback test point is still 0.00V. Trim if necessary and check They are already adjusted for 4-20mA the 4.80V setting again.
- Page 4 10 Integrator input 15 Enable The servoamplifier has a unity gain input error amplifier A relay on the circuit card needs to be energised to connect followed by two parallel stages, one a proportional amplifier the output stage to its screw terminal and to un-clamp the and the other an integrator.
- Page 5 Switch selectable from output of unity gain error amp or proportional gain amp 19 Internet Enable: Relay, +24V @ 8mA, 17 to 32V. www.moog.com/dinmodules Output amp: Fixed at 4-20mA. Nominal null output is 12mA. Permissable load range is 0 Ohm to 500 Ohm.
- 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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