TMC-4 Control Card
for Electric Actuators
Installation & Maintenance Manual
12
03/18/21
www.atcontrols.com
IOM08139 REVISION 01
COMMAND CONFIG submenu
The
COMMAND CONFIG
menu group contains various parameters that affect the control and response of the actuator.
C O M M A N D
T Y P E :
x x x x
Command
Signal Type
Sets type of command signal used.
10V:
0-10V or 2-10V
5V:
0-5V or 1-5V
mA Sink:
4-20mA sinking
mA Src:
4-20mA sourcing
135 Ohm
1k Ohm:
2-wire variable resistance input. Selectable between typical 135Ω slide wire,
or 1kΩ potentiometer.
ON-OFF:
Independent Open and Close inputs. Feedback is disabled.
Comms:
Communication protocol (e.g. Modbus) Specific protocol must be selected in
the
COMMS CONFIG
submenu.
C A L I B R A T E
Z E R O
x x x x
Calibrate
Command Zero
Sets command signal zero raw count value. Value is scaled between 12 bit count of 0 and 4095 for the selected
command type range. When selected, provide minimum command signal to save.
C A L I B R A T E
S P A N
x x x x
Calibrate
Command Span
Sets command signal span raw count value. Value is scaled between 12 bit count of 0 and 4095 for the selected
command type range. When selected, provide maximum command signal to save.
D E A D B A N D
x . x %
Deadband
Sets deadband range by percent. Adjust to provide acceptable deviation from command setpoint the controller will
recognize as valid position. When selected, use [UP] or [DOWN] to adjust value.
2.0%
L O S S O F
S I G N A L :
x x x x
Loss of Signal
Sets behavior of actuator when command signal is lost.
In Place:
Remains in current position on loss of command signal.
Open:
Moves to programmed Open position on loss of command signal.
Close:
Moves to programmed Close position on loss of command signal.
Position:
Moves to position defined in “Fail to Position” setting.
F A I L T O
P O S I T I O N :
x x x x
Fail to Position
Sets percent position between 0% and 100% for actuator to control to on loss of command signal. Is only utilized if
“Position” selected in “Loss of Signal” setting.
0.0%
