Allen Bradley ControlLogix 1756-L71 - Configuring Redundant Systems
The following PLC Architecture will control the process of a gas compressor station.
The Architecture is divided in 2 control systems.
-Process Control System (PCS)
-Safety Instrumented System (SIS)
PCS & SIS follow ring topology for I/O cards.
The SIS must be redundant, in order to ensure safety process control!
For PCS we use ControlLogix PLC 1756-L71.
For SIS we use 2 ControlLogix PLCs 1756-L71, each equipped with
1756-RM2/A Redundancy Module.
ControlLogix 1756 PriceCompare
Allen Bradley PriceCompare
Shop Allen Bradley 1756 on eBay!
Allen-Bradley 1756-L75 SER B 2023 ControlLogix 32 MB Controller NEW SEALED BOX
$3,490.76 Buy It on eBay for only: $3,490.76 Buy It Now on eBay |
New Allen-Bradley 1756-L74 Ser B ControlLogix 5574 Processor Controller 1756L74
$3,539.00 Buy It on eBay for only: $3,539.00 Buy It Now on eBay |
New Sealed Allen Bradley 1756-L71 SER B ControlLogix 2MB Controller AB 1756-L71
$2,525.19 Buy It on eBay for only: $2,525.19 Buy It Now on eBay |
2023 Allen Bradley 1756-L85EP /B ControlLogix Process Controller Surplus SEALED
$4,712.49 Buy It on eBay for only: $4,712.49 Buy It Now on eBay |
1756-A10 ALLEN BRADLEY CONTROLLOGIX 10 SLOT RACK CHASSIS 2022 NEW SURPLUS
$425.99 Buy It on eBay for only: $425.99 Buy It Now on eBay |
New AB 1756-CNB SER E ControlLogix Communication Module NEW Factory Sealed 2022
$139.83 Buy It on eBay for only: $139.83 Buy It Now on eBay |