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Control retrofit

HELLER control retrofit

Upgrade for up to 15* more productivity

Retrofit of the control comprises complete rewiring, installation of a new control panel and optionally a new control cabinet housing (CE-compliant and EMC-compatible), new Sinumerik 840D sl CNC control, new Sinamics S120 drive modules, new operating panels (main operator panel and operator panel at the tool loading station) and new decentralised I/O modules. On request, new AC motors in all drive axes, a new main spindle motor and further additional retrofits can be offered.


  • Main operator panel with Siemens OP12 operating panel
  • MCP483 or MPP483 machine control panel
  • Comfortable operator panel at the tool loading station
  • Sinumerik Operate with HMI Pro
  • Optionally: EKS
  • Optionally: HT8/HT2 interface

Replacement of the control

HELLER uni-Pro 90 is replaced by Sinumerik 840D sl. Up to 15 % increase in productivity.

Overhaul and rewiring of the control cabinet

As part of the control retrofit, the existing control cabinet will be fully replaced (drive amplifier, CNC control) and rewired.

* Depending on machine type, year of construction and machining process


Address Heller Machine Tools

Heller Machine Tools Ltd
Acanthus Road, Ravensbank Business Park
Redditch, Worcestershire B98 9EX
Tel: +44 (0) 121 275 3300
Fax:+44 (0) 121 275 3380

Retrofit advantages

Greater security

  • Functional safety for your machines: mandatory in Europe
  • Risk assessment in accordance with EN ISO 14121-1 or EN ISO 12100
  • Use of the Siemens Safety Integrated feature
  • Adherence to safety standards EN ISO 13849-1 and EN 62061

Greater productivity

  • Latest generation Sinumerik 840D sl control
  • Operation identical to that of a new machine (Sinumerik Operate)
  • Sinamics S120 modular drive technology for increased dynamics and precision
  • New technology cycles/automatic measuring cycles
  • Option: maintenance and diagnostics options parallel to machining due to new fluidics module

Greater benefit

  • Standardisation based on HELLER requirements specification
  • Re-use of existing tool set
  • Re-use of existing clamping fixtures and pallets
  • Compatible with existing loading system (if any)
  • HELLER BLUE energy efficiency
  • Possible installation of options (e.g. measuring probe, tool breakage detection, etc.)
  • Scope can be adapted to customer budget
Service Products
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