Delta RMC101 User Manual Page 450

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RMC100 and RMCWin User Manual
5-200
400100 2 (decimal): Operation type: Read data
400101 0000 (hex): Error status: will be filled in by function
400102
64 (decimal): Length: there are 16 parameters on
each of four axes
400103
129 (decimal): Address in slave (RMC) memory:
This is the address of the first parameter on the
first axis
400104
0300 (hex): Routing 1: The high byte holds the
Quantum backplane slot ID (3). The low byte
holds the Map Index, which should be set to zero
when communicating with the RMC.
400105
192 (decimal): Routing 2: First byte of the IP
address: 192.168.0.5
400106
168 (decimal): Routing 3: Second byte of the IP
address: 192.168.0.5
400107
0 (decimal): Routing 4: Third byte of the IP
address: 192.168.0.5
400108
5 (decimal): Routing 5: Fourth byte of the IP
address: 192.168.0.5
5.3.7.3 MSTR Block Write Operation
For general information on the MSTR Block, see Using the MSTR Modicon Ladder Logic Block.
Writing with Modbus Plus is described in Reading and Writing Modbus Plus Registers. Writing
with Modbus/TCP is described in Using the Modicon Quantum with the RMC Ethernet Module.
Control Block
In a write operation, the nine control-block registers are assigned as shown:
Register
Content
1st
Operation
: 1
2nd
Error Status
: This register is filled by the
operation. See MSTR Block Error Codes for a
complete list.
3rd
Length
: Indicates the number of registers to write.
4th
Operation-dependent Value
: Indicates
the address in the
slave to write to.
Note:
When entering register addresses into an
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