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| 6. PARAMETER DESCRIPTION | |
Parameter setting sequence | Output |
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(for automatic multiple ranges switching) | No. 1 range | No. 2 range No. 3 range | No. 4 range | |
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| 100% |
F10: SO1 Function | F11: SO2 Function |
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Select a function | Select a function |
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F14: SO1/2 Active Mode |
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Select whether SO1 and SO2 output is to |
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be “Closed (On) Act” or “Open (Off) Act” |
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| Input |
Function Selection |
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No Function: Output is stopped (*: other functions may be selected) |
| 10% of No. 3 range | ||
Fwd/Rev Ranges: Forward and reverse flow rate measurement |
| 10% of No. 2 range | (set using F40) | |
Auto 2 Ranges: Automatic |
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| (set using F40) | |||
Auto 3 Ranges: Automatic |
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10% of No. 1 range |
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Auto 4 Ranges: Automatic |
| (set using F40) |
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Refer to Table 6.4.1 and set F10 or F11.
B23: Flow Span |
| F30: Forward |
| F31: Forward |
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| Span 2 |
| Span 3 |
Forward No. 1 range |
| Forward No. 2 range |
| Forward No. 3 range |
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F32: Forward |
| F33: Reverse |
| F34: Reverse |
Span 4 |
| Span 1 |
| Span 2 |
Forward No. 4 range |
| Reverse No. 1 range |
| Reverse No. 2 range |
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Set the spans for the ranges to be used.
No. 1 range No. 2 range
No. 3 range No. 4 range
If “instantaneous flow rate % display (FR)” is selected for |
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Display Mode and A10: FLOW RATE(%) is selected for |
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BRAIN communication, the instantaneous flow rate % |
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and following symbols will be displayed only for multiple |
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ranges and forward/reverse flow measurement. |
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Forward No. 1 range : [F1] | Reverse No. 1 range : [R1] |
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Forward No. 2 range : [F2] | Reverse No. 2 range : [R2] |
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Forward No. 3 range : [F3] |
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Forward No. 4 range : [F4] |
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| F0607.EPS | |
Reverse | Forward |
Minimum span % within multiple and |
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forward/reverse (set using F41) | F0608.EPS |
Figure 6.4.1 Multiple Ranges and Hysteresis Widths
NOTE
For more details regarding the setting of hyster- esis width, refer to the description of setting
parameter for F40: Auto Range Hys and F41: Bi Direction Hys.
Multiple Ranges Setting 2:
Multiple ranges switching via external status input
For both the forward and reverse directions, switch- ing of up to four ranges can be carried out based on status input; however, switching between directions is not possible. Switching between forward and reverse ranges is carried out automatically only when the flow direction reverses.
SI1 and SI2 status input terminals are used for multiple range switching. For more details, refer to Table 6.4.2: Multiple Ranges Switching via External Status Input.
IM |
