value range: 4...20000 Product Name: AC2216 Function display: LED yellow (indication channels 1...4 / indication diagnosis DIAG) Protection: IP 20 Housing materials: PA 6.6 Electrical design: 4 inputs 4...20 mA Operating voltage: 26.5...31.6 V DC Ambient temperature: 0...70 °C Operation: LED green (indication AS-i voltage / indication ext. 24 V AUX) Shortcode: SmartLine25 4AI (C) C IP20 Connection: Combicon SKU D934XBHYLY6BTN Error: LED red (FAULT: AS-i communication error / periphery fault)