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Hey there Contractors and fellow Service Professionals!
Today we are covering the Allen Bradley 1756-L61 Series B PLC.
This is a ControlLogix Logix5561 Processor with 2 MB user memory. This 1756-L61 controller comes with one RS-232 serial built-in communication port. The connections supported is 250 max.
Allen Bradley 1756-L61 ControlLogix Processor
The 1756-L61 Logix 5561 controller can be inserted into any slot of a chassis and multiple controller can be installed in the same chassis. This will allow the controllers to communicate with each other across the backplane but still operate independently.
ControlLogix Logix5561 Controller
Here is the Specifications table…
|Allen Bradley 1756-L61 Series B|
|Available User Memory||2048 KB|
|I/O Memory||478 KB|
|Optional Nonvolatile Memory||64 MB CompactFlash,
|Max Digital I/O||128,000|
|Max Analog I/O||4,000|
|Max Total I/O||128,000|
|Current Draw||1200 mA at 5 VDC
14 mA at 24 VDC
|Controller Tasks||32 Tasks
100 Programs / Task
|Event Tasks||All Event Triggers|
Allen Bradley 1756-L61 controllers can also communicate across RS-232 Serial C (DF1/DH-485 protocol), DeviceNet, DH+, ControlNet, and EtherNet/IP networks. Also note that an appropriate communication interface module must be installed in the chassis to provide communication for a ControlLogix 1756-L61 controller.
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Stay tuned for the next PLC item on our line up >> Allen Bradley 1756-L62S/B
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