A-T Controls TRIAC TDC-100B Handbuch für Installation und Betrieb - Seite 6

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Upon selecting the CLOSE function, the TDC-100 will

begin moving the actuator to the previously set closed

position; it is not necessary to make an adjustment if the

unit has been previously set to the desired position. A

command signal input of 0V, 1V, 4mA, or 0% automatical-

ly corresponds to the defined closed position.

OPEN

The OPEN function works the same way as the CLOSE

function with the exception that the adjust buttons are

used to set the desired open position. As with the CLOSE

function, upon selecting the OPEN function, the actuator

will move to the previously set open position. Once the

desired position is set, the TDC-100 will automatically

correspond a command signal input of 10V, 5V, 20mA, or

100% to the open position.

AUX CLOSE OUTPUT

The AUX CLOSE OUTPUT function is used to set an

optional output setting that is associated with the closed

position - an appropriate relay option module is required

to use this output. The adjust buttons are used to set the

actuator to a desired position. Whenever the actuator

position falls between the defined closed position and the

Aux Close position, the Aux Close Output indicator will

flash. Additionally, the TDC-100 will turn on a relay output

on the optional relay module - the output can be used to

drive an alarm or merely act as an auxiliary limit switch.

Upon selecting the AUX CLOSE OUTPUT function, the

TDC-100 will begin moving the actuator to the previously

set position. It is not necessary to make an adjustment if

the unit has been previously set to the desired position.

AUX OPEN OUTPUT

The AUX OPEN OUTPUT function is used to set an

optional output setting that is associated with the open

position - an appropriate relay option module is required

to use this output. The adjust buttons are used to set the

actuator to a desired position. Whenever the actuator

position falls between the defined open position and the

Aux Open position, the Aux Open Output indicator will

flash. Additionally, the TDC-100 will turn on a relay output

on the optional relay module - the output can be used to

drive an alarm or merely act as an auxiliary limit switch.

Upon selecting the AUX OPEN OUTPUT function, the

TDC-100 will begin moving the actuator to the previously

set position. It is not necessary to make an adjustment if

the unit has been previously set to the desired position.

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

COMAND TYPE

The COMMAND TYPE function is used to configure the

command signal input for either 4-20mA, 1-5V, 0-5V, 0-

10V, 2-10V, or digital so as to match the type of command

signal being used. Upon selecting the COMMAND TYPE

function, the Command Input indicator will turn on steady,

while the indicator for the selected type will flash. Use the

adjust buttons (▲ or ▼) to select the desired input type.

The selection will be saved when the MODE button is

pressed, which will also advance the unit to the LOSS OF

COMMAND function.

LOSS OF COMMAND

When using 1-5V, 2-10V, 4-20mA, or a Digital input type

for the command signal, the TDC-100 will detect when the

command signal is lost or out of range.

command condition is detected whenever the input is

disconnected, the input becomes less than 0.75V (for 1-

5V input), 1.5V (for 2-10V input) or 3mA, or the input is

connected backwards. An out of range condition is

detected whenever the input becomes greater than 5.25V

(for 1-5V input), 10.5V (for 2-10V input) or 21mA. If the

TDC-100 detects a loss of the command signal, a fault will

be indicated (see FAULT INDICATORS), and the actuator

will be moved to one of three preset positions: the open

position, the closed position, or the position last attained

prior to losing the command signal.

COMMAND function is used to set the desired default

position.

When the LOSS OF COMMAND function is selected, the

adjust buttons are used to set the default position. The

TDC-100 indicates the selected default setting by flashing

the Open function indicator for the open default position,

or it will flash the Close function indicator for the closed

default position. When neither indicator is on, then the

"last position" default is selected.

When a 0-5V or 0-10V command signal is used, a loss of

command signal cannot be detected. Therefore, if the

unit is configured for a 0-5V or 0-10V command signal

(see COMMAND INPUT), the MODE button will not select

the LOSS OF COMMAND function. However, the TDC-

100 can detect when a 0-5V or 0-10V command signal is

out of range (i.e., greater than 5.25V or greater than

10.5V) or connected backwards. When an out of range

condition is detected for a 0-5V or 0-10V input, the motor

is turned off (leaving the actuator in its "last position") and

a fault will be indicated (see FAULT INDICATORS).

TDC-100 Series

AC Digital High-Resolution Controller

Installation & Maintenance Manual

The LOSS OF

IOM08032 REVISION 01

A loss of

07/24/20