I need signal inverter such that when input OS +10mA the output shall be -10mA. When input is -10mA the output shall be +10mA. For input of 0mA the output also shall be 0mA. So when input is +10 to 0 to -10mA the corresponding output shall be -10 to 0 to +10mA. The output is just invertion of inlut signal. Aux suply 24V DC. Qty 2 Nos. Thanks