User`s guide

Table Of Contents
Network Communication
Mitsubishi Electric, MA00759F 253
Control block
Under Control block the first register in the control block in the client is stated. A
total of five registers are used as follows.
Register Content Description
Ctrl reg 1 Command Command register set in the client. Available
commands:
0: No command.
1: Transfer values in register from client to server
indicated in control register 3.
2: Transfer values in register from server indicated in
control register 3 to client.
Ctrl reg 2 Handshake Handshake register set by client.
0: Ready for new command.
1: OK
2: Transmission error.
Ctrl reg 3 Server index The number of the server in the network the transfer
is to be made with.
Ctrl reg 4 Index register The value in the index register is added to the address
of the register indicated under Data register. If zero is
given, the register block will start with the address
given under Data register.
Ctrl reg 5 Number of reg-
isters
The number of registers, the values of which are to be
transferred to/from the given server.