
Read/write function block data
Table 27: Operand overview
Index | Operand |
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| Read |
| Write | |
(hex) |
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00 |
| Parameters J Table 28 |
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| × |
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01 |
| Control byte J Table 29 |
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| × |
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02 |
| Actual value |
| S12 |
| × |
| c1 |
03 |
| Counter setpoint 2 |
| S22 |
| × |
| c1 |
1)The value can only be written if it is assigned to a constant in the program.
2)A
Table 28: | Index 00 – Parameters |
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Meaning |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Appears in the parameter menu |
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Yes/no |
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| 0/1 |
Counter mode |
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FB not used |
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| 0 | 0 |
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Up/down counter (N) |
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| 0 | 1 |
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| 1 | 0 |
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Frequency counter (F) |
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| 1 | 1 |
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Use as constant and therefore can be | written | to |
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Counter setpoint S1 |
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| 0/1 |
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Unused bits |
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| – | – | – | – |
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Example:
Data 1 (Byte 5) = 0x07
Meaning:
The values appear in the Parameter menu. The counter is used in the mode of the frequency meter. The counter setpoint 1 is not assigned to a constant and cannot therefore be written to.
MN05013001E | For more information visit: www.EatonElectrical.com | 77 |