Omni Flow Computer Master Driver – HMS Support Portal

Compatible Devices

Omni Flow Computer devices with Ethernet or serial interfaces [omniflow | Word]

Verified Device

Omni 6000 [omniflow | Word]

Overview

Select driver matching Modicon-compatible protocol configured in Omni device
For encapsulated Ethernet:
- Create Virtual Port under Communications → Network [omniflow | Word]

Accessing Data

Numeric Data

Supports signed/unsigned values up to 32-bit [omniflow | Word]

64-bit Doubles

Configuration:

Use DHR – 64-bit Holding Register
Set Extent = Array
Size = 2 × number of values
Treat as Integer

Functions:

cstring AsTextR64WithFormat(Format, Data)
void TextToR64(Input, Output)

Data = first element in array
Format = display width string [omniflow | Word]

String Data

Assign to String tag

Set packing to:

ASCII Big-Endian
``` [1](https://hms365-my.sharepoint.com/personal/james_jolly_hms-networks_com/_layouts/15/Doc.aspx?sourcedoc=%7B7BECC0EF-6840-4990-B66D-5E62778CA600%7D&file=omniflow.docx&action=default&mobileredirect=true)

Exception Codes

Format (hex):

FFOOOOEE

FF = function code
OOOO = address
EE = exception code [omniflow | Word]

Custom Packets / Archives

Available items:

Custom/Archive Data Point
Record Count
Send Request
Data Buffer
Manual parsing required if mixed data types [omniflow | Word]

ASCII Text Buffers

Read

Set Read Point
Trigger Read Request
Data stored in string array (ASCII Big‑Endian)

Write

Set Write Point
Set Quantity
Populate buffer
Trigger Write Request [omniflow | Word]

DevCtrl Functions

Serial

Function	Description	Data
1	Set Drop Number	Drop value
4	Get Drop Number	None

Ethernet

Function	Description	Data
1	Set IP Address	IP
2	Set Port	Port
3	Set Drop Number	Drop value
4	Get IP Address	None
5	Get Port	None
6	Get Drop Number	None

[omniflow | Word]

Cable Information

RS232

G3 RS232	Omni 6000
Pin 2 (Rx)	TB‑3 Pos 7 (Tx)
Pin 5 (Tx)	TB‑3 Pos 9 (Rx)
Pin 3/4 (Common)	TB‑3 Pos 10 (Return)

Ethernet

Standard Ethernet cable [omniflow | Word]