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37

 Ten user-selectable modes in

one unit

 Pushbutton Thumbwheels

for digital set of time delay &

function

 50ms - 999 hour programmable

time range

 Uses industry-standard 11 pin

octal socket

 10A DPDT output contacts

 LED indicates timing mode

and time out conditions

Pilot duty rating

Multi-Function Product

INPUT

PRODUCT

WIRING/

FUNCTION 

VOLTAGE

NUMBER

SOCKETS

MULTI-FUNCTION

120V AC/DC

TD-78122

11 PIN OCTAL

(10 Functions in One Unit)

12V DC

TD-78126

70170-D

On Delay

24V AC/DC

TD-78128

Interval On

240V AC

TD-78121

Off Delay *

Single Shot *

Flasher (OFF 1st)

Flasher (ON 1st)

On/Off Delay *

Single Shot Falling Edge *

Watchdog *

Triggered On Delay *

DIAGRAM 121

The TD-781 Series offers an easy and accurate way to select a function and any

time delay between 50ms and 999 hours. Programming is accomplished by using

a pushbutton thumbwheel to select one of seven built-in time ranges and three

pushbutton thumbwheels to digitally set the time delay required. This method

provides a greater setting accuracy than is found on other units with an analog

potentiometer. These units have a fifth pushbutton thumbwheel to select one of

ten built-in functions. An LED indicates timing mode and time out condition.

Single-function versions available.

Sockets & Accessories available

 See “Definitions of Timing Functions”.

*

These are the only functions requiring use of the Control Switch shown in

Wiring Diagrams above.

PROGRAMMABLE | MULTI-RANGE

Digital-Set | TD-7 Series Time Rangertm

with appropriate

socket