| Вид документа | Прикладна нотатка |
|---|---|
| Виробник | JCI |
| Код документа | m9000-applications-face-bypass-application-note |
| Група обладнання | M9000 Applications Face/Bypass |
| Сторінок | 2 |
| Мова документа | англійська |
| Розмір файлу | 0.2 МБ |
Текст документа
FANs 268.1, 121
Application Note M9000
Issue Date 1298
APPLICATION NOTE
M9000 Applications
Face/Bypass
S ingle-Actuator Control
This application for the M9000 Series Electric Motor When a multi-section damper is involved, all sections
Actuator provides control for face and bypass dampers. of any given damper should operate at the same
It can be used with proportional or floating controllers speed to prevent stability and balance problems from
providing the proper positioning for the dampers. Obtain occurring.
the system diagrams for controller installation to verify M9216-HGX-2
proper termination for each actuator.
1 2 3 4 5 6
24
N.O. VAC
- +
N.C. 0 to 10 VDC
2 to 10 VDC
Controller
M9200 Figure 2: Voltage Controller Wiring
Figure 1: Face and Bypass Damper Control,
Single Actuator
Several options are available for this application. One
actuator can control mechanically linked dampers as
shown in Figure 1; or two M9100 actuators, one Direct
Acting (DA) and one Reverse Acting (RA) can be used
on each independent damper as shown in Figure 5. Figure 3: Current Controller with Feedback Wiring
IMPORTANT: When using two M9216 actuators, Note: DX9100 and A350 controllers can only drive
set them so one damper opens while one actuator in the current mode.
the other damper closes. Both
M9216 actuators must always
operate against, or both must always
operate with, the spring return
direction simultaneously.
For example, if one M9216 actuator
is set for RA, and one DA, then the
spring return direction must be
reversed on one of the actuators.
This will eliminate cumulative control
errors caused by fighting the spring
on only one actuator. Figure 4: Floating Controller Wiring
© 1998 Johnson Controls 1
Code No. LIT-2681065 www.johnsoncontrols.com
T wo-Actuator Control
0
90
M9200 0
30
90
60
N.O.
N.C. Figure 8: Current Controller for Wiring Two Actuators
0
90
with Separate Transformers
Controller
30
60
0
90
M9200
Figure 5: Face and Bypass Damper Control,
Two Actuators
Figure 9: Resistive Controller for Subordinating
Two Actuators
Figure 6: Voltage Controller for Wiring Two Actuators
Figure 10: Floating Controller for Wiring
Two Actuators
IMPORTANT: M9000 Series actuators have speed
variations in response to loading;
therefore, consider the installed
speed of the damper and actuator(s)
to avoid pressure-related problems.
Figure 7: Current Controller for Wiring Two Actuators
with Single Transformer
Controls Group www.johnsoncontrols.com
507 E. Michigan Street
P.O. Box 423
Milwaukee, WI 53201 Printed in U.S.A.
2 M9000 Applications Face/Bypass Application NoteПозиції каталогу з цим документом
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