Precision Digital PD6310 - Manual (Page 77)

Model PD6210 & PD6310 Batch Controllers Instruction Manual
77
Modbus RTU Serial Communications (serial)
The controller is equipped with serial communications capability as a
standard feature using Modbus RTU Serial Communication Protocol.
To communicate with a computer or other data terminal equipment, an
RS-232. RS-422/485, or USB adapter option is required; see Ordering
Information
on page 7 for details.
Warning!
Do not connect any equipment other than Precision
Digital’s expansion modules, cables, or controllers to
the RJ45 M-LINK connector. Otherwise damage will
occur to the equipment and the controller.
Note: More detailed instructions are provided with each optional serial
communications adapter.
Note: Refer to the P
RO
V
U
®
Modbus Register Tables located at
www.predig.com for details.
baud
Serial
SlavId
Serial
tr dly
Serial
serial
t-byt
Serial
Parity
Serial
When using more than one controller in a multi-drop mode, each control-
ler must be provided with its own unique address. The controller address
(Slave ID) may be programmed between 1 and 247. The transmit delay
may be set between 0 and 199 ms. The parity can be set to even, odd,
or none with 1 or 2 stop bits.
The PD6210 can also be connected to another PD6210 with a special
PDA1200 cable, allowing the user to copy all the settings from one con-
troller to another, using the Copy function.