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ERSA IR / PL 650 A third-generation IR rework system offers three new technological innovations: DynamicIR, Multi True Closed Loop Control and IntelligentIRS. Designed to handle rework applications on heavy mass PCBs and large-format SMT assemblies (18 x 20" / 460 x 560 mm) in a lead-free environment.
 
The safe and proven medium wavelength IR heating technology allows uniform heat distribution from the top and bottom side across the PCB and component. DynamicIR allows fully automatic dynamic control of the top (1400W / 60 x 120 mm) and bottom (3200W / 350 x 450 mm) IR heaters depending on the actual temperature of the component and where it is in the temperature profile. Total available power to the selective reflow system is spread across four separately switchable heating zones on the top and five zones on the bottom. Depending on board size, the thermal mass of the substrate and component size, the required heat energy is delivered at the precise time and location to ensure that component and board follow the prescribed temperature profile. Can run an extended or flat peak, reduces PCB warpage.
 
True Closed Loop Control means that the actual component temperature is acquired, using the non-contact Infrared sensor, and is used as the primary control mechanism for the heating system. IntelligentIRS allows for precise temperature measurement by choosing from a component table or by component-specific IRS calibration.  Either the IRS or a TC sensor of choice can be chosen to drive the heating technology. Multi True Closed Loop Control uses up to four additional TC sensors. By assigning threshold values to these additional sensors, they prevent the fully automatic heating system from undesired overheating of adjacent or bottom side components.
 
Affords a high level of rework safety by y making it impossible to heat over an assigned threshold value. Thus, it is impossible to work outside a specified lead-free process window.
 
The system is broken down into four modules: the IR650 Selective Reflow module, the RPC Reflow Process Camera module, the PL650 Precision Placement module and the IRSoft software module.
 
ERSA, ersa.de/en/

 

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