Chapter 2 Analog Input Module AS04/08AD-A 2_ Functional specifications 2-3 An analog circuit is isolated from a digital circuit by a digital integrated circuit/ optocoupler, but the analog channels are not isolated from one another. Isolation between a digital circuit and a ground: 500 VDC Isolation between an analog circuit and a ground: 500 VDC Isolation between an analog circuit and a digital circuit: 500 VDC Isolation between the 24 VDC and a ground:
500 VDC Isolation Weight 145g Analog-to-Digital Voltage Input Conversion Rated Input Range -10 V to +10 V 0 V–10 V ±5 V 0 V–5 V 1 V–5 V Digital Conversion K-32000– K+32000 K0–K32000 K-32000– K+32000 K0–K32000 K0–K32000 Range Hardware Input -10.1 V to +10.1 V -0.1 V to +10.1 V -5.05 V to +5.05 V -0.05 V to +5.05 V 0.95 V– 5.05 V Range Error Rate ±0.2% (Room Temperature) Error Rate (Full ±0. 5% Temperature Range) Linearity Error ±0.02% (Room Temperature) Linearity Error (Full ±0.06% Temperature Range) Hardware 16 bits Resolution Input Impedance ≧2MΩ Absolute Input ±15 V Range