IAI America ROBO Cylinder Series - Manual (Page 280)

6. Modbus
ASCII
272
Modbus
6.6 Control Information Direct Writing (Queries Using Code 06)
6.6.1 Writing to Registers
(1) Function
These queries change (write) data in registers of a slave.
In case of broadcast, data of registers of the same address of all slaves is changed.
[Refer to the details of device controller register 1 in 4.3.2 (5).]
[Refer to the details of device controller register 2 in 4.3.2 (6).]
[Refer to the details of the position number specification register and position movement
specification register in 4.3.2 (7).]
(2) Start address list
Address Symbol Name Byte
0D00 DRG1 Device control register 1 2
0D01 DRG2 Device control register 2 2
0D03 POSR Position number specification register 2
9800 POSR Position movement specification register 2
The registers above are control command registers. The bits of these registers are assigned to input
ports by PIO patterns when “PIO/Modbus Switch Status (PMSS) [refer to 6.4.13] is set to “disable
Modbus commands (enable PIO commands). These registers can be rewritten when the Modbus
commands are enabled (PIO commands are disabled).
*) Please refer to
“6.2 ASCII Code Table.”