Rockwell Automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual - Manual (Page 86)

Publication 1794-UM064B-EN-P - May 2014
74 Connect Your Adapter to the PROFIBUS DP Network
Connect the Adapter to the
Network For line A or B connections,
• use bus segments with t-junctions and termination blocks to form the
PROFIBUS media (trunk cable).
• Use termination blocks to terminate the line at each end of the trunk cable.
• Use drop cables to connect devices to the network.
The maximum number of stations on the same network is 32.
Connect Wiring to the Adapter
1. Connect the PROFIBUS drop cable to the 9-pin D-shell connector
according to the pin assignments in Table D-Shell Pin Assignment on
page 75 .
Cable Types and Descriptions
Equipment Type Catalog Number Part Number
Drop cable Sprecher + Schuh PTL-2, PTL-4, PDC-10 87.890.282-10
T-junction connector Sprecher + Schuh PTS-0 87.890.276-01
Bus segment cable Sprecher + Schuh none 299.257.001
Bus segment 1 m Sprecher + Schuh PCB-10 87.890.281-10
Connector Sprecher + Schuh none 87.890.283-01
Termination Block Sprecher + Schuh PCE-0 87.890.284-01
PROFIBUS DP
master/scanner
controller
PROFIBUS media
(trunk cable)
Other DP
adapter/slave
1794-APBDPV1 adapter/slave
FLEX I/O system
Other DP
adapter/slave
Personal computer
with configuration
software
1155
ATTENTION: If you connect or disconnect wiring while the field-side
power is on, an electrical arc can occur. This could cause an explosion in
hazardous location installations. Be sure that power is removed or the
area is nonhazardous before proceeding.