Cincinnati Inc. 843579 REV E Control Board
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CSL Part Number: 113268
Product Overview: The Cincinnati Inc. 843579 REV E is an analog input control board used in Cincinnati Form Master II press brakes, particularly in 500-ton retrofit installations. It processes transducer feedback and encoder signals for ram positioning control. The board features dual analog-to-digital converters with multiplexed inputs for left and right side measurements, RS-485 to TTL encoder signal conversion, and 24-bit dual-axis quadrature counting. It operates on ±15 VDC and +5 VDC supplies and uses RJ50 connectors for encoder interfaces.
Category: Control Board
Manufacturer: Cincinnati Inc.
Manufacturer Part Number: 843579 REV E
Please include machine serial number, wiring diagrams and manuals, with good problem descriptions for the repair quotation.
Common Failures
This unit type may experience synchronization issues where the machine's rams fail to maintain equal height or operate independently. Position indication discrepancies between software display and actual ram position have also been reported. Components such as encoder inputs have been identified as potential contributing factors.
Repair Approach
The evaluation process included testing of voltage levels and circuit continuity across key components. An encoder chip was identified as a potential repair item and sourced accordingly. Testing confirmed functionality for most components. Replacement of certain integrated circuit components was performed based on evaluation findings.
Testing & Quality
Functional testing was conducted on areas related to the reported symptoms. Verification tests confirmed operation of key components using appropriate test equipment. Component-level testing and replacements were completed based on the scope of the evaluation.
Service and repair your broken Cincinnati Inc. part
We can repair your Cincinnati Inc. model 843579 REV E in our facility. Let our skilled technicians get your Cincinnati Inc. back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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