Chapter 2 Analog Input Module AS04/08AD-A AS08AD-C External wiring 4 wire cu rren t in pu t - CHX * 4 AG -2 0m A~+2 0m A + Sh ield ed cab le 1 * 1 M +2 4V 0V - I1 - I1 + 2 50 2 50 1 M * 2 2_ 2 wire curre nt in pu t - 4m A~+20 m A FE +24 V Sh ield ed cab le 1 * CHX * 4 AG + - 1 M 0 V I2 - I2 + 1 M 2 5 0 2 5 0 FE * 2 3 wire cu rren t inp ut - -20 mA ~+2 0 mA Sh ield ed cab le 1 * CHX *4 A G +2 4 V 1 M 0 V I 3+ I3 - * 2 1M 25 0 25 0 FE *3 DC/DC Con ve rt e r +1 5V 2 4V 2 4 VDC -1 5V AG *1. Use shielded cables to isolate the analog input signal cable from other power cables. *2. Connect the shielded cable to the terminal FE. *3. Connect the terminal to the ground terminal. *4.
Every channel can operate with the wiring presented above. 2-23 + - 0V