Emerson KJ3221X1-BA3 8ch AO 4-20mA HART Series 2 Module

Product Overview The Emerson KJ3221X1-BA3 is an 8-channel Analog Output module for DeltaV Series 2 systems. It delivers 4–20 mA control signals with HART communication for precise actuation and device diagnostics. Key Specs Channels: 8 analog outputs Signal: 4–20 mA with HART Local Bus Power: 12 VDC at 150 mA Bussed Field Power: 24 VDC at 300 mA Field Circuit: 24 VDC at 23 mA per channel Key position: A4 Operating temperature: −40 °C to +70 °C Why Choose This 8-channel analog output with HART Precise 4–20 mA control capability Hazardous-area certified Series 2 platform compatibility Common Questions Channels? 8 AO 4–20 mA. HART? Yes. Key? A4. Mounting Steps Install the terminal block with A4 key position. Insert the KJ3221X1-BA3 module into the carrier. Wire the 4–20 mA field loads or positioners. Configure output channels and HART in DeltaV. Test output signals and device communication. Buying Advice Ideal for multi-channel analog output with HART diagnostics. Match key position and Series 2 carrier. Critical spare for AO-intensive DeltaV nodes.