EZ800/EZD Control Commands
Reading and writing markers
Byte |
| Meaning | Value (hex), sent by |
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| Master |
| Slave |
0 |
| Toggle byte |
| J page 94 |
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1 |
| Command |
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| Read | 91 |
| – | |
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| Write | B1 |
| – | |
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| Read successful |
| – |
| C2 |
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| Write successful |
| – |
| C1 |
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| Command rejected |
| – |
| C0 |
2 |
| Len |
| J Table 51 |
| J Table 51 | |
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3 |
| Type |
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4 |
| Index |
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5 – 8 |
| Data 1 – 4 |
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| Read operation | 00 |
| J “Example 1” | |
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| on Page 118 |
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| For write operation |
| J “Example 2” |
| 00 |
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| on Page 119 |
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Table 51: | Byte 2 – 4: Len, Type, Index |
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Operand |
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| Len |
| Type |
| Index | |
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Marker bit | M1 | .. | M96 | 01hex |
| 0Bhex |
| 01 to 60hex | ||
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Marker byte |
| MB1 | .. | MB96 |
| 01hex |
| 0Chex |
| 01 to 60hex |
Marker word |
| MW1 | .. | MW96 |
| 02hex |
| 0Dhex |
| 01 to 60hex |
Marker double word |
| MD1 | .. | MD96 |
| 04hex |
| 0Ehex |
| 01 to 60hex |
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If required, refer to the more detailed description of the marker allocation in the EZ800 manual and EZD manual. Only a small extract of this manual is shown at this point in order to illustrate the allocation principle.
116 | For more information visit: www.EatonElectrical.com | MN05013001E |
