Modbus Router/B

Modbus Router/B

A-MBR/B

The Modbus® Router/B provides intelligent data routing between Logix controllers/PLCs and Modbus devices via Modbus RTU (RS232 / RS485) or Modbus TCP. The Router can operate as either a Modbus Client (Scheduled Mode) or Modbus Server (Reactive Mode).

Communications with a Logix controller (e.g., ControlLogix® or CompactLogix™) can be achieved via EtherNet/IP™ or USB. Direct-to-Tag technology enables the router to exchange data directly with Logix Tags, thus requiring no Logix programming.
When using USB, a redundant system can be configured using one Router for each Logix controller. Only the Router connected to the Primary Logix controller will respond to the Modbus TCP requests.

The Router also supports the MicroLogix™ and SLC™500 platforms.

The Router hosts two Ethernet ports which can be configured in a Device Level Ring or Linear topology.

 

Architectures

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Features and Benefits

  • The MBR/B can operate as a Modbus Client or Modbus Server.
  • Modbus Client mode can communicate with up to 100 Modbus Servers.
  • Supports Modbus passthrough messaging.
  • Modbus Server mode supports full Modbus data range.
  • Modbus Server mode supports emulating multiple Modbus nodes.
  • Configurable Modbus TCP Port numbers.
  • Supports EtherNet/IP Target and Originator modes:
    • EtherNet/IP Target (Class 1 connection)
    • EtherNet/IP Originator (Class 1 connection with up to 10 EtherNet/IP devices and Explicit Messaging, including Direct-To-Tag Logix tag access, with up to 10 EtherNet/IP devices)
  • Supports CIP USB interface for Logix controllers.
  • EtherNet/IP Class 1 target connections support 2kbyte input and 2kbyte output data to Logix input and output assemblies.
  • Supports Modbus media conversion allowing for a transparent link from one media to another (e.g., Modbus TCP to Modbus RTU232).
  • Slate provides a Modbus packet capture utility for better diagnosis.
  • Dual Ethernet ports which support Device-Level-Ring (DLR).
  • Network Time Protocol (NTP) supported for external time synchronization.
  • Small form factor – DIN rail mounted.

Specifications

Ethernet

Specification

Description

Connector

RJ45

Conductors

CAT5 STP/UTP

ARP Connections

200 max.

TCP Connections

200 max.

CIP Connections

20 max.

Communication Rate

10/100 Mbps

Duplex Mode

Full / Half

Auto-MDIX

Supported

Controller Support

ControlLogix, CompactLogix, MicroLogix, SLC

Embedded Switch

Yes, 2 x Ethernet ports

Device Level Ring (DLR)

Supported

Network Time Protocol (NTP)

Supported

 

Serial Ports (RS232, RS485)

Specification

Rating

Connector

9-way terminal (shared)

Conductor

24 to 18 AWG

Electrical Isolation (RS232)

1000 VDC

Electrical Isolation (RS485)

1500 Vrms (1 minute)

Baud Rate (bps)

1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200

Parity

None, Even, Odd

Data, Stop Bits

8, 1

 

USB Port

Specification

Description

USB Supported

USB2.0

Module USB Connector

Type-A

Recommended USB Cable

Type-A (male) to Type-B (male)

 

Modbus – Reactive / Scheduled Mode

Specification

Rating

Reactive Tag mode

Max 100 mapping items

Scheduled Tag mode

Max 100 mapping items

Application Functions
Supported

Read Coil, Read Discrete Input, Read Holding Register, Read Input Register,
Write Coil, Write Register

Maximum Logix Controller
support

3 (when using Ethernet)

1 (when using USB)

Protocols

Modbus RTU (RS232 or RS485), Modbus TCP

 

Modbus Client - Enhanced Mode

Specification

Description

Modes Supported

Modbus TCP, Modbus RTU232, Modbus RTU485

Modbus RTU485 Termination

125 Ω - Software Enabled

Modbus Server Devices

100 max.

Modbus Mappings

100 max.

Mapping Ranges

Holding Register: 0 to 65535
Input Register: 0 to 65535
Input Status: 0 to 65535
Coil Status: 0 to 65535

Base Offset

Modbus (base 0), PLC (base 1)

Configurable Modbus TCP Port

Yes

Data Re-formatting Supported

BB AA
BB AA DD CC
CC DD AA BB
DD CC BB AA

 

Modbus Server - Enhanced Mode

Specification

Description

Modes Supported

Modbus TCP, Modbus RTU232, Modbus RTU485 (simultaneous)

Modbus RTU485 Termination

Software set

Mapping Ranges

Holding Register: 0 to 65535
Input Register: 0 to 65535
Input Status: 0 to 65535
Coil Status: 0 to 65535

Base Offset

Modbus (base 0), PLC (base 1)

Configurable Modbus TCP Port

Yes

 

EtherNet/IP Target

Specification

Description

Class 1 Cyclic connection count

5

Logix Direct-to-Tag Supported

Yes

 

EtherNet/IP Originator

Specification

Description

Class 1 Cyclic Connections Supported

Yes

Class 3 / UCMM Connections Supported

Yes

Class 1 Connection Count

10

Class 3 / UCMM Target Device Count

10

Class 3 / UCMM Mapping Count

50

 

 

 

 

Hardware

Specification

Description

Power Supply

Input: 10 to 32 VDC, (121 mA @ 24 VDC)

Voltage Fluctuations

Voltage fluctuations < ±10%
Transient Over-voltages up to the levels of OVERVOLTAGE CATEGORY 1

Power Consumption

3.1 W (Including full load on USB of 200mA), 300 mA maximum

USB Power

5V, maximum load of 200 mA (1W)

Dimensions (H x W x D)

149.0 x 34.0 x 116.0 mm

Connector

3-way terminal

Conductors

24 to 18 AWG

Enclosure Rating

IP20, NEMA/UL Open Type
Indoor use only

Temperature

-20 to 70 °C

Relative Humidity

5% to 90% - No condensation

Pollution Degree

2

Altitude

< 2000 m

Earth Connection

Yes, terminal based

Emissions

IEC 61000-6-4

ESD Immunity

EN 61000-4-2

Radiated RF Immunity

IEC 61000-4-3

EFT/B Immunity

EFT: IEC 61000-4-4

Surge Immunity

Surge: IEC 61000-4-5

Conducted RF Immunity

IEC 61000-4-6

Certifications

ODVA Certification 37.47 kB Last Modified 01/25/2024
UL/cUL; Class1, Div 2 238.99 kB Last Modified 01/25/2024
CE Declaration of Conformity (CE, UKCA, RoHS, UL) 339.65 kB Last Modified 01/26/2024