Precision-digital PD6000 User Manual download pdf (Page 70)

Model PD6000 Analog Input Process Meter Instruction Manual

Modbus RTU Serial Communications (serial)

The meter is equipped with serial communications capability as a stan-

dard feature using Modbus RTU Serial Communication Protocol.

To communicate with a computer or other data terminal equipment, an

RS-232 or RS-422/485 adapter option is required; see

Ordering Infor-

mation

on page 7 for details.

Warning!

Do not connect any equipment other than Precision

Digital’s expansion modules, cables, or meters to the

RJ45 M-LINK connector. Otherwise damage will occur to

the equipment and the meter.

Note: More detailed instructions are provided with each optional serial

communications adapter.

Note: Refer to the PD6000/PD7000 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 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 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 PD6000 can also be connected to another PD6000 with a special

PDA1200 cable, allowing the user to copy all the settings from one me-

ter to another, using the

Copy function.

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Precision-digital PD6000 User Manual Page 70