Allen-Bradley 1738-ADNX Manual de usuario Pagina 113

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113 Publication 1768-UM001C-EN-P - November 2007
Appendix
A
1768 CompactLogix Controller Specifications
Introduction
This appendix contains the specifications for the 1768-L43 and 1768-L45
CompactLogix controllers.
1768-L43 and L45 CompactLogix Controllers General Specifications
Controller User
Memory
Nonvolatile
Memory
Communication Options Number of Tasks Supported Number of Local I/O
Modules Supported
1768-L43 2 MB CompactFlash Maximum of two 1768 modules
in the 1768 backplane
EtherNet/IP network
(1768-ENBT and 1768-EWEB
modules)
ControlNet network
(1768-CNB and 1768-CNBR
modules)
DeviceNet network
(1769-SDN scanner)
Serial (built-in)
Modbus via ladder routine
DH-485
16 tasks (only 1 continuous)
Event tasks: supports
consumed tag trigger, EVENT
instruction, axis, and motion
event triggers
Max of 16 1769 I/O
modules (in 3
banks) in the 1769
backplane
1768-L45 3 MB CompactFlash Maximum of four 1768 modules
in the 1768 backplane
EtherNet/IP network
(1768-ENBT and 1768-EWEB
modules)
ControlNet network
(1768-CNB and 1768-CNBR
modules)
DeviceNet network
(1769-SDN scanner)
Serial (built-in)
Modbus via ladder routine
DH-485
30 tasks (only 1 continuous)
Event tasks: supports
consumed tag trigger, EVENT
instruction, axis, and motion
event triggers
Max of 30 1769 I/O
modules (in 3 banks) in
the 1769 backplane
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