Agrowtek VX8i Manuel d'instruction - Page 13

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Serial Speed & Format

The default serial data format for the LX2 ModLINK interface is: 19,200 baud, 8-N-1.

Alternate speeds and formats between 9,600 - 115,200 baud may be con gured with the free AgrowLINK PC

utility using a LX1 USB AgrowLINK and the cross-over adapter supplied with the LX2 ModLINK.

LX1 USB AgrowLINK™

USB

See MODBUS manual for more information.

MODBUS Manual

Supported Commands

0x01 Read Coils

0x03 Read Multiple Registers

0x05 Write Single Coil

0x06 Write Single Register

0x15 Write Multiple Coils

A request to use a function that is not available will return an illegal function error (0x01).

Register Types

Data registers are 16 bits wide with addresses using the standard MODICON protocol. Floating point values

use the standard IEEE 32-bit format occupying two contiguous 16 bit registers. ASCII values are stored with

two characters (bytes) per register in hexadecimal format. Coil registers are single bit values which control

and indicate the status of a relay; 1 = on, 0 = o .

LX2 ModLINK™

GrowNET™

Cross-Over

7 - 24 Vdc