Section 4
4.9 Programming the Sampler for Level Control
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| Put the sampler in a standby state (i.e. "Program Halted", "Ready To Start" or | |
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| "Program Complete") hold CLEAR ENTRY for two seconds. This will cause the | |
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| display to read "Level Control?". The following messages may be displayed in | |
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| the level control program: | |
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Item |
| Message | Description of Message | ||
Number | |||||
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1 |
| LEVEL CONTROL | If you press NO, SPECIAL OUTPUT? will appear on the display. If you press YES, the | ||
| display shows item 2. | ||||
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2 |
| LEVEL START? | If you press YES, the sampler operates as described in Mode 1. If you press NO, the | ||
| display shows item number 4. | ||||
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3 |
| LEVEL START/STOP | If you press YES, the sampler operates as described in Mode 2. If you press NO, the | ||
| display shows item number 5. | ||||
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4 |
| SAMPLE ON LEVEL? | If you press YES, the sampler operates as described in Mode 3. If you press NO, the | ||
| display shows item number 1. | ||||
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| Note: In addition to the liquid level actuator, a | |
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| or 541) may be used to connect the sampler to any controlling device which | |
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| produces a dry contact closure upon a predetermined conditions. For example, a | |
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| pH meter with adjustable high/low set points can be used to control sampler | |
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| operation in any of the three level/auxiliary control modes. | |
4.10 Other Displayed Messages | |||||
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| Message |
| Description of Message | ||
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YES/NO or * TO | This message appears if a key other than YES or NO is pressed and the displayed message is | ||||
followed by a question mark while in the Parameter Entry, Programming Running, or Time Set | |||||
| BACKUP | ||||
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WHILE RUNNING, KEY | This message appears if a key other than 0, 1, or 2 is pressed while the program is running. The | ||||
program must be halted (press the 2 key) before any manual operations are performed, such as | |||||
0 - 1 - 2 ONLY | |||||
Bottle Advance, Pump, Purge, Take Sample, New Program, etc. | |||||
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| This message appears if DISPLAY FEEDBACK is pressed and the sample program has been halted. | ||
REVIEW RESULTS? | A YES response will cause the sample program results to appear. A NO response causes REVIEW | ||||
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| PROGRAM? to appear. | ||
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REVIEW PROGRAM? | If you press the YES key, all programmed settings will appear on the display. Pressing the NO key | ||||
will place the sampler back into the standby state. | |||||
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LOW BATTERY | This message indicates that the external battery is low and requires recharging. | ||||
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MEMORY POWER LOW | This message indicates that the internal lithium battery is low and needs to be replaced. | ||||
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PROGRAM STOPPED | During composite mode, this message appears upon a full bottle condition. The program cannot | ||||
DUE TO FULL BOTTLE | be restarted until the composite container is emptied and the float switch is in the lowered position. | ||||
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| If your instrument is programmed for single container composite sampling, this message appears | ||
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| if the START PROGRAM key is pressed and the float switch is not in the lowered position. Because | ||
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| the same circuit path is used for the composite full bottle float switch (composite mode) and | ||
BOTTLE IS FULL | #1 bottle indicator (multiple bottle mode), this message will also appear if the START PROGRAM key | ||||
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| is pressed with the sampler programmed for single container composite with the distributor | ||
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| assembly in place, and the arm in the #1 bottle position. To correct this situation, remove the | ||
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| distributor, install the composite container retainer, and press the START PROGRAM key. | ||
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FULL BOTTLE or | The full bottle float switch is in the raised position due to a full composite container. To resume the | ||||
PROGRAM HALTED | program, exchange the full container with an empty one. With the float switch in the lowered | ||||
DUE TO FULL BOTTLE | position, the program will resume within one minute. | ||||
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| Page 27 | |
8544operations.fm |
| Programming the Sampler for Level Control |