DL3500-DH-485/Modbus
Modbus to DH-485 Network (DH-485 DF1)
DL3500 Documentation
DL3500 Application Sample Diagram
DL3500 Users Manual
DL3500 Quick Start
DL3500 DH-485 Modbus Application note
DL3500 Wiring Diagram
DL3500 US Robotics Modem Application note
DL3500 Hardware Specifications and Cable Diagrams
DL3500 SLC 5/04 Bridge Setup and Application note
DF1 Converter to AB
Ascii Converter to DH
DL3500-DH-485/Modbus
Modbus Gateway to DH-485 Network
(Modbus to DH-485)
The DataLink DL3500-DH-485/ Modbus is a Modbus master/slave interface for computers, MMIs, and OEM based applications that require access to a node on AB's DH485 network. Highlights include palm-size portability, DC power, external Din Rail cabinet with Modbus USB or serial functionality to DH-485.

The Modbus/DH485 can be set to be either a Master or a Slave on the Modbus serial link, as well as communicate using either RTU or ASCII protocols.

The Modbus/DH485 in Master Mode can read from and write to registers and coils in any Modbus Slave device connected. Slave Mode allows a Modbus Master device to read from or write to files in a A-B PLC or SLC connected to the DH485 network.

Serial Interfacing
CHA - RS232, RS422 and RS485 Interface to DF1 (Full Duplex) device (SLC CH0)
CHB - DH-485 Non Isolated Interface
CHC - Future use
Specifications:

Physical Dimensions
Size: 1.05" H x 4.2" D x 3.45" W (26.2mm x 105.0mm x 86.3mm) Weight: 0.66lbs (0.3kg)
Power: DC: 9-30 VDC; Less than 2 Watts

Installation
Metal enclosure; Freestanding, DIN rail mounting clips, or #8 bolts

Environment
Operating: +32 F to 122 F (0 C to +50 C)
Storage: -40 F to +185 F (-40 C to +85 C)
Humidity: 5% to 95% non-condensing

Protocols
Channel A: Allen-Bradley Data Highway Plus
Channel B: Modicon Modbus Protocol Allen-Bradley DF1 (ANSI X3.28)

Configuration
PC program software menu for communications parameters

Indicators
Green LED for power-on Red/Green BI-Color LED's for communications

Pushbuttons
Reset and Configure/Diagnostics mode pushbuttons

Communications
Channel A: Isolated DH-485 Channel B: Serial 300 b to 230.4 Kb or USB
Channel C: Future

Connectors
CHA: 3-pin DH-485
CHB: 9-pin RS232, 5-pin RS422/RS485, and USB
CHC: 39-pin RS232 (Future)
Power: 3-pin Miniature Phoenix Euro

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Connect PC / Laptop to AB DH+ / DH-485
Protocol Converter to Modbus
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