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Correct table informations. #32

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6 changes: 3 additions & 3 deletions reference/modbus-master/index.md
Original file line number Diff line number Diff line change
Expand Up @@ -38,8 +38,8 @@ is determined based on the data width, direction, and an offset.

| Modbus table | PLC Address | Data Size | Access† |
|---------------------------------|-----------------------|-----------|---------|
| Discrete Output Coils | `%IX100.0 - %IX149.7` | 8-bit | W |
| Discrete Input Contacts | `%QX100.0 - %QX149.7` | 8 bit | R |
| Discrete Input Contacts | `%IX100.0 - %IX149.7` | 8-bit | R |
| Discrete Output Coils | `%QX100.0 - %QX149.7` | 8 bit | W |
| Analog Input Registers | `%IW100 - %IW500` | 16-bit | R |
| Analog Output Holding Registers | `%QW100 - %QW500` | 16-bit | RW |

Expand All @@ -57,4 +57,4 @@ registers. Analog output holding registers are read prior to read.
The offset (and size) defines how PLC hierarchical addresses binds to Modbus
data addresses. For example, if `input_registers_start = 50` and
`input_registers_size = 10`, then `%IW100 - %IW110` bind to Modbus data addresses
0x32 to 0x3B (register numbers 30051 to 30050).
0x32 to 0x3B.