Watson-Marlow 624Di - Manual (Page 5)

Watson-Marlow Bredel E-Manuals
http://www.watson-marlow.it/pdfs-global/m-624Di-gb-01.htm[10/07/2012 13:59:15]
Print audit routines
If a printer is connected, the completion of a dose run will automatically call the print
routine. The first request will be to enter the operator ID.
Up to 16 characters can be entered. Digits and the decimal point are entered directly from
the keypad. Alpha characters are entered by pressing Up or Down which call A to Z and Z
to A respectively in circular rotation.
An alpha character is embedded by pressing Step. A numeric character is entered by
pressing Step, any other numeric character, the decimal point or Up or Down.
On pressing Enter, the pump will request the input of a batch number.
Again, up to 16 characters can be entered as for the operator ID. When Enter is again
pressed, the following information is printed out: date, time, dose size, specific gravity,
dose interval, number of doses, initial ml/rev, recalibration data, operator ID, batch
number and number of doses delivered.
Following the print-out a repeat dose option will be given.
Single dose command
Single doses can be dispensed on demand, with a count of the number of doses being
kept.
Set the interval time to 0 SECONDS and the number of doses to 1.
To start single dosing, press Start or use an external start dose switch. The display will
indicate the total number of completed doses up to a maximum of 99,999, after which the
counter will restart at 0: dose 100,001 would be shown as 1.
Calibration procedure
Calibration of the 624Di is based on informing the pump under Cal of the pumphead and
tubing which are to be used. Alternatively a calibration dose can be used. The calibration
dose will run for a maximum of 4 minutes, but can be stopped at any time up to 4
minutes. The longer the calibration dose, the more accurate the calibration. Entering into
the pump the physical volume or mass to complete the procedure will allow the pump to
take into account ambient conditions and also the viscosity of the fluid.
Manual operation
Switch power on.
Change the set speed by pressing the Up or Down key. The minimum speed of the
624Di is 4 rpm.
Change direction by pressing the CW/CCW key. Indication of direction of rotation is
provided via the LCD display.
Select the maximum speed: press the Up key and the Max key together. Select the
minimum speed: press the Down key and the Max key together.
Press Start to start the pump. Press Stop to stop the pump.
Auto operation
The pump will accept external control signals through the 25-pin cage clamp connector on
the back panel. Remove the cover plate, ensuring that the gasket is not damaged. Feed
the control wires through the cable glands and connect via the sprung cage clamps.
Analogue
This function enables the pump speed to be controlled via an external analogue process
signal. Pressing Enter at analogue will call a confirmation of the analogue control signal
settings. These can be reset under Setup (see section covering pump setup).
RS232
This facility gives full pump functionality under RS232 closed loop control via the 4-pin
cage clamp. Up to 16 pumps can be linked while retaining individual pump control by using
lead PR0036. A network kit is available from Watson-Marlow which includes Pumpnet 2, a
DOS-compatible control program, and leads.