e2000mDESCRIPTION. E-2000M Series controllers are desned using new generation micro-controllers for onoff and PID control. Unit dimensions are 96 x 96mm, conforming to IEC 668.DESCRIPTION. E-2000M Series controllers are desned using new generation micro-controllers for onoff and PID control. Unit dimensions are 96 x 96mm, conforming to IEC 668.