MAF EL 111/1 Tension Adjustment and Calculation Board
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CSL Part Number: 105688
Product Overview: The MAF EL 111/1 is a tension control board used in paper processing machinery to regulate and calculate web tension through dancer systems. It processes transducer inputs, performs signal linearization and multiplication via precision op-amps and analog multiplier circuits, and drives LED bargraph displays for tension monitoring. The board includes multiple trim potentiometers for calibration, relay-switched outputs, and dual ±15V and ±10V power supplies. It interfaces with tension transducers and dancer position sensors to maintain consistent material tension during converting, printing, or coating operations.
Category: Control Board
Manufacturer: MAF
Manufacturer Part Number: EL 111/1
Used to control web tension in a press. Limited repair - no system test.
Common Failures
Common issues for this product include power supply faults, output irregularities, and component failures such as capacitors, diodes, relays, and LED drivers. Typical symptoms may include power interruptions, non-responsive outputs, or control system irregularities.
Repair Approach
Our repair process includes evaluation and testing to identify defective components. Repairs may involve replacing capacitors, diodes, relays, operational amplifiers, or other failed components. We verify circuit connections and component configurations to restore functionality. All work is performed to CSL quality standards.
Testing & Quality
Post-repair testing includes component-level and power testing to confirm operational integrity. We perform stability testing and verification that voltage and current outputs are within specification. All units are tested to CSL standards before return to the customer.
Limited Repair
The MAF part number is only available as a limited repair at our facility. Repairs to this item may be limited due to several reasons:
- Availability of parts
- Less than 100% test ability due to required support equipment
To have us attempt a repair on your MAF part follow these steps:
Step 1 -
Click the Repair Now button above to add the part and complete the RMA form.
Step 2 -
Print the RMA form that is sent to your email, and put it in the box with the parts for repair.
Step 3 -
Mail the box to the address on the RMA.
After we receive your item, we will perform an inspection and an authorization to repair will be sent for your approval. Work will begin after your authorization is received.
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