Red Lion Controls GMDIOS00Product Attribute Attribute Value Accessory Type I O Module Application Communication Family Name Graphite HMI Family For Use With Graphite Series Function Digital I O Number of Ports 3 Port Output Type Relay Primary Type Module Series GMPID Series Special Features Auto Tuning Supply Voltage 500 V Temperature Range 40 to 75 C Type Temperature Control Modules Overview Red Lion Model GMPID Series Graphite PID Modules Single Loop Controllers: The Model