User guide

enFORCE DSP1500 Main Unit Hardware Manual
(Rev. 4.0) PAGE 5 - 38
Chapter 5: Control Interfaces
Modbus Plus Specifications
Baud Rate 1M bits/sec.
Max. Nodes 32 (with repeaters - 64)
Max. Distance 2000m (with repeaters)
Max. Bus Cable Length 500m
Cable RS-485 twisted pair (1-pair + Shield)
Communication Type Master/Slave
Interface Specifications
Input data 16 words (256 bits)*
Output data 16 words (256 bits)*
Interface type token bus interface
Operating Voltage +5VDC / 200 ma
Data Width 8 bits
* Actual Input/Output data length is configurable using the DSP Software package.