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Solution

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The Modbus Slave I/O interface allows connecting with Modbus slave(s) to exchange coil and register data. Using a standard network interface card, this protocol can be easily and rapidly integrated into any simulation model.
With the proper user configuration, a driver is initialized on the target simulator at the start of the simulation and instantiates multiple slaves, to which masters can connect and send read/write commands.
The Modbus slave interface can operate over TCP/IP using an Ethernet physical link or over RTU using a serial link.

This driver provides an asynchronous TCP/IP communication interface and an IP aliasing mechanism allowing to assign assigning different IP addresses to each slave/outstation instance instances even if a single physical network interface (i.e., ethernet Ethernet port) is used.

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Modbus is a data communications protocol originally published by Modicon (now Schneider Electric) in 1979 for use with its programmable logic controllers (PLCs). Modbus has become a de facto standard communication protocol and is now a commonly available means of connecting industrial electronic devices. It is widely used for Industrial Automation and Energy system applications.

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Software Platform Compatibility

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Product Selection Guide

Modbus TCP, RTU or ASCII require software license OP3261license OP3261, which comes with 50 data points.
If additional data points are required, then they may be added via product OP3050 product OP3050.

Modbus TCP

Modbus TCP can be added to real-time simulators without the need of for additional hardware.
However, since real-time simulators come with at least one available ethernet Ethernet port, if additional physical ethernet Ethernet ports are required on the real-time simulator, these can be added via a kit.
Note that for applications requiring many ethernet Ethernet ports,the OP4510 platform is and OP4512 simulators are not recommended.

Modbus RTU

For Modbus RTU, applications requiring RS-232 are supported natively by real-time simulators with one serial port.
If RS-485 or additional RS-232 ports are required, then a BLG-series Bluestorm PCI module an OP3310 PCIe serial card must be added to the system. Due to the form factor of the Bluestorm modules, they are only compatible with OP5600, OP5700 and OP5000-series simulators. Hence, for applications requiring RS-485 or multiple RS-232 ports, the OP4500-series platform is not recommended.
The OP3310 PCIe serial card 16 ports is not compatible with the OP4510, OP4512, and OP4610XG simulators.

Modbus ASCII

Modbus ASCII applications require the use of an external gateway (EKI-1221-CE) to convert Modbus TCP to Modbus ASCII.

Type	Description	Product Number

(s)
Optional
Description
Simulator Compatibility
Additional requirement(s)
OP4510-series
OP5600-series
OP5700-series
OP5000-series
Software
OP3261
Driver - DNP3 Outstation Slave communication protocol for exchange of data between master stations and RTU and IED - 50 data points included. Additional data points may be added with the OP3050 product.
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Software
OP3050-1000
OP3050-5000
OP3050-30000
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Simulator Compatibility
OP4510v2
OP4512
OP4610XG
OP5033XG
OP5600v2
OP5650
OP5700
OP5705XG
OP5707XG
Driver
Driver license for Modbus Slave protocol using TCP-IP, RTU or ASCII interfaces. 50 I/O data points are included. For additional data points, add OP3050 (see below).
OP3261
YES
YES
YES
YES
Status
colour Red
title Optional

Additional data points
License for additional I/O data points for Ethernet-based communication protocols.
1000, 5000 or 30000
1,000, 5,000, or 30,000 (unlimited) data points may be added.
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Hardware
OP3821
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License OP3261 is required.
OP3050-1000
OP3050-5000
OP3050-30000
YES
YES
YES
YES
Status
colour Red
title Optional

Add-on module
Dual-port PCI-
E X1
E X1 Gigabit Ethernet Kit for
OP4510
OP4xxx Series of Real-Time Simulators*. Can be added if more physical
ethernet
Ethernet ports are required
for Modbus TCP
.
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OP4510 requires its PCIe slot to be available
Hardware
I350T4V2BLK
Image RemovedIntel I350T4V2
OP3821
OP4510v2
OP4512
OP3821-4610
OP4610XG
Status
colour Red
title Optional

Add-on module
Intel I350T4V2 Quad Port Ethernet Server Adapter 10/100/1000 Mbps for OP5xxx Series of Real-Time Simulators*.
Can be added if more physical
ethernet
Ethernet ports are required
for Modbus TCP. Image RemovedImage RemovedImage RemovedOpen PCIe slot required
Add-on module
BLG005-01
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BlueStorm PCIe 8 ports RS-232/422/485, surge suppression, External DB-9 I/O Box
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Open PCI slot required
External hardware
EKI-1221-CE
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for Modbus ACII
Modbus Gateway 1-port - Use
.
I350T4V2BLK
YES
YES
YES
Status
colour Red
title Optional

Add-on module
BLG039-03
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BlueStorm PCI 8 ports RS422/485, surge suppression, External DB-9 I/O Box. Can be used for Modbus RTU over RS-485.
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Open PCI slot required
Add-on module
BLG043-01
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BlueStorm PCI, 4 ports RS232 and 4 ports RS422/485, with DB9 cable. Can be used for Modbus RTU over RS232 and/or RS485.
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Open PCI slot required
Add-on module
BLG006-01
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BlueStorm PCIe 16 ports RS232/422/485. Bidirectional data speeds up to 1.8432 Mbps (RS-422/485). Hardware selectable RS-232/422/485. Default configuration: 16 ports RS-232. Any other configuration must be requested by the customer as it requires jumper settings before installing the board in the system. FCC certified and CE marked
Can be used for Modbus RTU over RS232 and/or RS485.
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Open PCI slot required
Serial Board 8-port RS-232/422/485 PCIe - Low Profile for XG Series. Includes: 1x Cable SCSI VHDCI 68 male to 8-port DB9 Male Connector*.
OP3310-08-K1
OP4610XG
YES
YES
YES
Status
colour Red
title Optional

Add-on module
Serial Board 16-port RS-232/422/485 PCIe. Includes: 2x Cable SCSI VHDCI 68 male to 8-port DB9 Male Connector*.
OP3310-16-K1
YES
YES
Status
colour Red
title Optional

Add-on module
Serial Board 16-port RS-232/422/485 PCIe. Includes: 2x Cable SCSI VHDCI 68 male to 8-port DB9 Male Connector*.
OP3310-16-K2
YES
Status
colour Red
title Optional

Add-on module
Modbus Gateway 1-port. Uses to convert Modbus between ASCII and TCP modes.
- Provides 2 x
Provides 2x 10/100 Mbps Ethernet ports for LAN redundancy
-
Integration of Modbus TCP and Modbus RTU/ASCII networks
-
Supports up to 921.6 kbps, and any baud rate setting support up to 16 connections on each serial port under Modbus - Master mode and 32 sessions under Modbus Slave mode.
-
Software selectable RS-232/422/485 communication
Image RemovedImage RemovedImage RemovedImage RemovedRequires OP3262
.
EKI-1221-CE
YES
YES
YES
YES

* Available PCIe slot required. Note that OP4510 and OP4512 simulators only have one PCIe slot.

Versions Compared

Old Version 7

New Version 8

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Software Platform Compatibility

Product Selection Guide

Modbus TCP

Modbus RTU

Modbus ASCII

Page Comparison

Versions Compared

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New Version 8

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Software Platform Compatibility

Product Selection Guide

Modbus TCP

Modbus RTU

Modbus ASCII