Chromalox 1603 User Manual download pdf (Page 27)

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Timer mode 2 [P22 = 6]Timer mode 2 [P22 = 6]

Timer mode 2 [P22 = 6]

When the contact is closed, the instrument

controls using SP as operative set point.

When the contact has been opened, the

instrument selects SP2 as operative set point and

starts the time count down.

When the time count is equal to 0 the instrument

comes back to the SP set point and the output 2

will be energized.

The Out 2 reset will be made when the logic input

will be closed again.

1603E display management1603E display management

1603E display management: when the

instrument starts the time count down, the upper

display shows the measured value while the lower

display shows time count down.

1601E display management1601E display management

1601E display management: when the

instrument starts the time count down, the display

shows the time count down.

Pushing  pushbutton it is possible to display the

measured value.

NOTENOTE

NOTE: for both instruments, when the time is

finished the instrument comes back to the normal

display mode.

SP2

Programmed

time

Time

Output 2

OFF

OFF ON OFF

Contact

Closed Open Open

Closed

Stop Run Stop Run Stop Run

Timer mode 3 [P22 = 7]Timer mode 3 [P22 = 7]

Timer mode 3 [P22 = 7]

When the contact is closed, the instrument

controls using SP as operative set point.

When the contact has been opened the instrument

operates as follows:

- it selects SP2 as operative set point

- it starts the time count down

- it energizes the Output 2