TMC-4 Control Card
for Electric Actuators
Installation & Maintenance Manual
5
03/18/21
www.atcontrols.com
IOM08139 REVISION 01
TMC-4A002-001
(P1)
Terminals
Function
1
Supply L/+
Supply Power.
2
Supply N/-
Supply Power.
3
External
Brake
Output that switches supply power when motor outputs are energized. Used for spring return electric actuator
brakes.
AC Operation: Switch off when motor on.
DC Operation: Switch on when motor on.
4
Motor CW
AC: Energize clockwise motor winding.
DC: Switch (+) supply voltage for clockwise operation.
5
Motor CCW
AC: Energize counterclockwise motor winding.
DC: Switch (+) supply voltage for counterclockwise operation.
6
Motor N
AC: Motor neutral, connected to supply N.
DC: not used.
7
+24V Out
Auxiliary 24VDC output.
8
I/O 1
Signal In
Command signal input.
9
Signal GND Command signal reference.
10
I/O 2
Signal Out
Feedback signal output.
11
Signal GND Feedback signal reference.
12
COM1 P
Communication non-inverting input.
13
COM1 N
Communication inverting input.
14
GND
Ground.
