TMC-4 Control Card
for Electric Actuators
Installation & Maintenance Manual
19
04/06/22
www.atcontrols.com
IOM08139 REVISION 04
4.2.
Analog Control Calibration
For when operating as modulating actuator using some analog control input.
To change values or settings, press [CONFIRM ►/◙] so value or setting flashes, change setting with [PREVIOUS ▲] or
[NEXT ▼], press [CONFIRM ►/◙] to save setting of value. To escape from setting without saving, press [CANCEL ◄].
1) Select and calibrate input command signal.
a) Enter
COMMAND CONFIG
submenu.
b) Select desired command signal type in “Command Type” setting and confirm.
c) Connect command signal source to input terminals per appropriate wiring
diagram.
d) Enter “Calibrate Zero” setting, send 0% command signal and confirm.
e) Enter “Calibrate Span” setting, send 100% command signal and confirm.
Typical command signal values are given in
4.2.1 Command and Feedback Values
.
C O M M A N D
C O N F I G :
> >
C O M M A N D
T Y P E :
x x x x
C A L I B R A T E
Z E R O
x x x x
C A L I B R A T E
S P A N
x x x x
2) Select and calibrate output feedback signal.
a) Enter
FEEDBACK CONFIG
submenu.
b) Select desired feedback signal type in “Feedback Type” setting and confirm.
c) Connect feedback signal monitor to output terminals per appropriate wiring
diagram.
d) Enter “Calibrate Zero” setting and adjust feedback signal using [PREVIOUS ▲]
or [NEXT ▼] until desired 0% feedback is achieved and confirm.
e) Enter “Calibrate Span” setting and adjust feedback signal using [PREVIOUS ▲]
or [NEXT ▼] until desired 100% feedback is achieved and confirm
Typical feedback signal values are given in
4.2.1 Command and Feedback Values
.
F E E D B A C K
C O N F I G
> >
F E E D B A C K
T Y P E :
x x x x
C A L I B R A T E
Z E R O
x x x x
C A L I B R A T E
S P A N
x x x x
3) Set position limits.
a) Enter
POSITION CONFIG
submenu.
b) Set to “Potent” in “Position Type” setting.
c) Adjust feedback potentiometer to center at 50% position.
i)
In “Calibrate Close Pos” or “Calibrate Open Pos”, press [PREVIOUS
▲
] or
[NEXT
▼
] to drive actuator to 50% position.
ii) Rotate feedback potentiometer until display reads between 1900-2200, then
tighten gears.
d) In “Calibrate Close Pos”, press [PREVIOUS
▲
] or [NEXT
▼
] to drive actuator to
desired clockwise position and confirm.
e) In “Calibrate Open Pos”, press [PREVIOUS
▲
] or [NEXT
▼
] to drive actuator to
desired counterclockwise position and confirm.
P O S I T I O N
C O N F I G
> >
P O S I T I O N
T Y P E :
P o t e n t
C A L I B R A T E
C L O S E P O S
x x x x
C A L I B R A T E
O P E N P O S
x x x x
* Swap 0% and 100% signals for zero and span calibration in the above steps if setting up for reverse acting
.
4.2.1. Command and Feedback Values
These are the approximate digital count values that will show according to command and feedback signals. Actual count
value may differ slightly. Values will also differ depending on revision of the display board. Check display board revision
level to confirm approximate values.
0mA
4mA
20mA
0V
1V
2V
5V
10V
Command
0
750
3740
0
380
760
1900
3800
Feedback
280
925
3550
