Allen-Bradley controllogix 1756-L55M12 - Page 51

Publication 1756-UM001G-EN-P - January 2007
Manage Controller Communication 51
The number of connections the module itself supports determines
how many remote connections the controller can access through that
module.
Remote Connections
Remote Connection Type Device
Quantity
Connections
per Device
Total
Connections
Remote ControlNet communication module
I/O configured as direct connection (none)
I/O configured as rack-optimized connection
0 or
1
Remote I/O module over a ControlNet network (direct connection) 1
Remote EtherNet/IP communication module
I/O configured as direct connection (none)
I/O configured as rack-optimized connection
0 or
1
Remote I/O module over a EtherNet/IP network (direct connection) 1
Remote device over a DeviceNet network
(accounted for in rack-optimized connection for local 1756-DNB) 0
Other remote communication adapter 1
Produced tag
Each consumer
1
1
Consumed tag 1
Message (depending on type) 1
Block-transfer message 1
Total