Allen-Bradley controllogix 1756-L55M12 - Additional Resources; DH+ Network Communication

Publication 1756-UM001G-EN-P - January 2007
Communicate over Networks 41
c. In the Token Hold Factor box, enter a token hold factor value
from 1...4.
The default is 1.
6. Click OK.
Additional Resources
For more information, consult Data Highway/Data Highway Plus/Data
Highway II/Data Highway-485 Cable Installation Manual, publication
1770-6.2.2.
DH+ Network
Communication
For DH+ network communication, use a 1756-DHRIO module to
exchange information between:
• PLC controllers and SLC controllers.
• ControlLogix controllers and PLC or SLC controllers.
• ControlLogix controllers
.
You can connect a maximum of 32 stations to a single DH+ link.
• Channel A supports 57.6 Kbps, 115.2 Kbps, and 230.4 Kbps.
• Channel B supports 57.6 Kbps and 115.2 Kbps.
Functions Required
Module
• Share data with program maintenance on a plantwide and
cell-level basis.
• Send data regularly.
• Transfer information between controllers.
1756-DHRIO