DL3500-DH+/Modbus
Modbus to DH+ Network (Modbus DF1)
DL3500 Documentation
DL3500 Application Sample Diagram
DL3500 Users Manual
DL3500 Quick Start
DL3500 DH+ 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+/Modbus
Modbus to DH+ Network (Modbus to DH+)
The DataLink DL3500-DH+/Modbus provides high speed interconnectivity between an Allen-Bradley DH+ and a Modbus network. The -DH+/Modbus can be any station on DH+ and can be set to either Modbus Master or Modbus Slave. Master mode enables any DH+ station to read / write up to 100 words (per message) to any 4xxxx or 0xxxx register, and to read up to 100 words from the 1xxxx and 3xxxx registers at any Modbus Slave address from 1 to 255. Slave mode enables a Modbus Master to read or write up to 1600 coils or 100 registers (per message) to bit or integer files in any PLC-5 station on DH+ (except 0). Modbus commands to address 0 can be "broadcast" to a selected range of DH+ stations.

Modbus Plus Connectivity:
Provides an interface to Modbus Plus via a Modicon BM85 Modbus Plus Bridge/Multiplexer

Multiple Modbus Protocols:
Master, Slave, RTU and Ascii

Compact and Lightweight:
Small footprint for easy installation

Flexible Serial Interfacing:
RS232C (RS422/RS485 options available)

Easy Configuration:
All parameters are menu-driven

Fastest Throughput:
Serial communications at up to 230.4 Kbaud
Specifications:

Interfaces
Channel A: Synchronous; SDLC Transformer-coupled
Channel B: Asynchronous; RS232C with RS422/ RS485 options available at additional cost

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 or DIN rail mounting clips

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+ Channel B: Serial 300 b to 230.4 Kb or USB
Channel C: Future

Connectors
CHA: 3-pin DH+
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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