Hach sc1000 user manual Function set to Timer working mode, 106

Advanced Operations

FREQ. Control /PID CONTROL

INPUT VALUE

Displays the process value read from the selected source after it has been processed by the internal formula parser (if prompted).

6.3.3.10 Function set to TIMER working mode

TIMER

		Default value: No source
SENSOR		Select a probe or create a formula which delivers the process value that is to be processed by
		the relay card.
		Default value: NO
		There is the opportunity to let the relay 'mark' the sensor configured in the menu SENSOR at the
		DURATION time. Other sc1000 modules such as other relay cards or current output cards which
OUTPUTS ON HOLD		access data of this sensor read this 'mark' and go into hold. To go into hold means the accessing
		module does not read the latest measurement from the marked sensor but works with the last
		measurement read before the sensor was marked. To activate this function set this menu to
		YES. If the sensor shall never let other modules go into hold, set this menu to NO.
		Note: The setting OUTPUTS ON HOLD always adapts to the DURATION time.
	YES	Adds a check mark to the selected SENSOR at the DURATION time. Other modules (relay card,
		output card) accessing the probe go into hold mode as soon as they read the probe check mark.
	NO	Sensor does not send other modules into hold mode
OFF DURATION		Default value: 30 seconds
		Sets the period of time for turning off the relay in one duty cycle (provided the DUTY CYCLE
(0 s–65535 s)
		option is set to DIRECT).
DURATION		Default value: 10 seconds
		Sets the period of time for turning on the relay in one duty cycle (provided the DUTY CYCLE
(0 s–65535 s)
		option is set to DIRECT).
		Default value: 5 seconds
OFF DELAY		Delays the check mark of a probe even if DURATION time has expired.
		The OFF DELAY time starts immediately after the DURATION time is expired.
(0 s–999 s)
		This setting only takes effect if OUTPUTS ON HOLD is set to YES (see OUTPUTS ON HOLD
		option).
DUTY CYCLE		Default value: DIRECT
	DIRECT	Turns the relay ON for the time set in the DURATION menu.
		Turns the relay OFF for the time set in the OFF DURATION menu.
	REVERSE	Turns the relay OFF for the time set in the DURATION menu.
		Turns the relay ON for the time set in the OFF DURATION menu.
INPUT VALUE		Displays the process value read from the selected source.
NEXT TOGGLE		Indicates the seconds until the relay will toggle.
		Default value: OFF
LOG INTERVAL		Sets the interval for logging the displayed value into the data logger.
		Options: OFF, 5min, 10min, 15min, 20min, 30min

106