The Allen-Bradley / Rockwell Automation 1771-IL isolated analog input module houses 8 isolated (1000V) differential inputs. Voltage for 1771IL ranges from 0...5V DC, 1...5V DC, -+5V DC, 0...10V DC, -+10V DC. Backplane current load is 1.3A. External power is not required. Resolution is 15 bits + sign and channel update is 500ms to 8 channels. Data format of 1771-IL is natural binary or BCD scaling to -+9999. Wiring arm is the 1771-WF.