Add a colour HMI with programming to your controller (Zelio requires a modbus serial or ethernet expansion module to).Colour HMI Screen + Programming$3,000.00PricePlease specify any special programming requirements? (optional)500QuantityAdd to CartPRODUCT INFOPLC Relay Extension Module includes custom programming. RETURN & REFUND POLICYNon Returnable! SHIPPING INFOPlease email to confirm shipping costs. PRODUCT INFO?All SR3 modules and extension modules sold include the programming of the module as per the customers requirements.