Hardware reference guide

Quantum Field Bus Modules
35013379 02 October 2007 235
Specifications The following table shows the technical specifications for the 140CRP81100
Communication Module:
Specifications
Programming software Modsoft version 2.32 or greater
Concept version 2.2 or greater
Bus current required 1.2 A
Power dissipation 6.5 W
Data Interface
RS-232C 9 pin D-shell non-isolated, Shielded cable, 3 m max; 19.2 Kbps
default.
RS-485 Profibus, up to 12 Mbps
Installation Local backplane only
Bus Specifications
Bus nodes max. 32
Bus lenths, transmission
rates (for 12 Mbps cable)
max. 1.2 km at 9.6 Kbps
max 1.2 km at 19.2 Kbps
max. 1.2 km at 93.75 Kbps
max 1.0 km at 187.5 Kbps
max 0.5 km at 500 Kbps
max 0.2 km at 1.5 Mbps
max 0.1 km at 3 Mbps
max 0.1 km at 6 Mbps
max 0.1 km at 12 Mbps
Transmission media shielded twisted pair
Connection interface EIA RS-485
Node type Master class 1
Bus access procedure Master/slave to dP bus slaves
Transmission procedure half-duplex
Frame length Max. 255 bytes
Data unit length Max. 246 bytes
Data security Hamming distance, HD = 4
Node addresses 1 ... 126
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com