Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Horner Automation
The Horner Automation HE559MIX977 SmartStix is an end-of-life I/O module featuring eight analog inputs and four analog outputs with 14-bit resolution supporting plus-or-minus 10V and plus-or-minus 20mA ranges. This unit provides channel-by-channel voltage and current selection for all channels and operates via CsCAN with removable field terminals, while the manufacturer recommends the HE579MIX977 as the replacement model. Please submit the exact part number, quantity, and application requirements to request a quote for this component.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Horner Automation references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Horner Automation HE559MIX977. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.