Precision Digital PD6830 - Manual (Page 86)

PD6830 Pulse Input Rate/Totalizer Instruction Manual
86
Serial Communications (COMM)
The Communications menu is used to setup serial communications parameters
necessary for communication via Modbus.
Modbus communications is performed with the 2-wire RS-485 with Modbus RTU
option.
When using more than one meter in a multi-drop mode, each meter must be provided
with its own unique address. The meter address (Slave ID) may be programmed
between 1 and 247. The baud rate may be set to 1,200; 2,400; 4,800; 9,600; 19,200;
38,400; 57,600; or 115,200 bps. 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.
Refer to the ProtEX Modbus Register Tables located at www.predig.com for details.