I-7242D user manual
I-7242D DeviceNet/Modbus RTU Gateway User’s Manual, July 2006, Version 1.1 111/124
8.6
“Preset Multiple Registers” Command (0x10)
Preset values into sequence of holding registers. The query message
specifies the register reference to be preset. The normal response returns the
slave address, function code, starting address, and quantity of register preset.
Frame Field
Description
Starting Address (Hi)
Starting Address (Lo)
Address of 1
st
output register
No. of Registers (Hi)
No. of Registers (Lo)
Number of output registers
Byte Count
Number of data bytes=number of output registers x 2
Data (first register/MSB)
Data (first register/LSB)
…..
Data (last register/MSB)
Query
Data (last register/LSB)
Byte swap=”Swap 2 bytes”
Data length=Value of the “Byte Count” field
Data location=Address in the gateway’s “AO” memory
Starting Address (Hi)
Starting Address (Lo)
Address of 1
st
output register
No. of Registers (Hi)
Response
No. of Registers (Lo)
Number of output registers