DH485 Router

DH485 Router


The A-DH485R/B DH485 Router provides intelligent data routing between EtherNet/IP™ and DH485, simplifying the migration from MicroLogix and SLC systems with DH485 communications to EtherNet/IP based ControlLogix or CompactLogix platforms.

The module can be used for remote programming of a SLC5/03 controller via Ethernet.

The DH485 Router’s AIC Mode provides direct conversion between RS485 and RS232, an ideal replacement for Rockwell’s 1761-NET-AIC module.Alternatively, the module makes use of the DH485 destination Node Address, (and Data File address in certain modes), to determine the target Logix controller. The mapping table, which can be configured in minutes, supports connections up to 8 Logix controllers.

In Transparent PCCC mode, the user will be able to program and connect to SLC5/03 PLCs.

The module can operate in both Logix “owned” and standalone mode. With a Logix connection, the input and output assemblies will provide additional diagnostics information in the Logix controller environment.The module’s RS485 port uses a terminal block for convenient installation.A built-in webserver provides detailed diagnostics of system configuration and operation, including the display of received DH485 communication packets, without the need for any additional software.

Интеграция платформы

Click on image(s) to enlarge
Drag with the mouse. Click for close.
Drag with the mouse. Click for close.
Drag with the mouse. Click for close.
Drag with the mouse. Click for close.

Особенности и преимущества

  • 1761-NET-AIC replacement
  • Direct-To-Tag technology for Logix Controllers
  • Isolated serial ports
  • Support for Device Level Ring (DLR) or use as two-port embedded switch
  • Intelligent routing to Logix/SLC/MicroLogix
  • Support for Reactive tag mapping (Slave) and Scheduled tag mapping (Master)
  • Supports PLC5/SLC mapping
  • Support for Logix programming over Ethernet for Serial interfaces (SLC/MicroLogix)
  • Interfacing of PanelView Plus and PV800 from Ethernet to Serial


The Slate Configuration Utility software is used for configuration and troubleshooting of the module. The stand-alone configuration utility allows users to define the setup and configuration of the module, and connections with controllers and devices.



EtherNet/IP Network







ARP Connections

Max 40

TCP Connections

Max 40

CIP Connections

Max 10

Communication Rate

10/100 Mbps

Duplex Mode

Full / Half

Auto-MDIX Support


Embedded Switch

Yes, 2x Ethernet ports


Serial Ports (RS232, RS485) 




9-way terminal (shared)


24 – 18 AWG

Electrical Isolation (RS232)

1000 V DC

Electrical Isolation (RS485)

1500 Vrms (1 minute)

Port Speed (bps)

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


None, Even, Odd

Data, Stop Bits

8, 1


DH485 Router



Transparent Mode Mapping

20 (maximum)

Logix Tag Mode Mapping

20 (maximum)

Reactive/Scheduled Tag Mode Message Support

PLC-5 Type – Read, Write
SLC Type – Read, Write

Rockwell Automation Controller programming Support


Характеристики оборудования



Power Supply

Input: 10 to 32 VDC, (67 mA @ 24VDC)

Power Consumption

1.7W, 173mA maximum

Dimensions (H x W x D)

149.0 x 34.0 x 116.0 mm


3-way terminal


24 to 18 AWG

Enclosure Rating

IP20, NEMA/UL Open Type


-20 to 70 °C


5 to 90% RH, non-condensing

Earth Connection

Yes, terminal based



ESD Immunity

EN 61000-4-2

Radiated RF Immunity

IEC 61000-4-3

EFT/B Immunity

IEC 61000-4-4

Surge Immunity

IEC 61000-4-5

Conducted RF Immunity

IEC 61000-4-6

одобрения и сертификаты

CE Declaration of Conformity (CE, UKCA, RoHS, UL) 336,73 kB Последнее изменение 09.03.23
UL/cUL; Class1, Div 2 233,29 kB Последнее изменение 09.03.23
ODVA Certification 35,26 kB Последнее изменение 28.09.20