Interface

External connections are made to the wires of the 24-pin connector assembly.

The 24-pin connector plugs into the bottom of the M-2001 and provides

standard functions, such as motor power input, voltage input, voltage reduction

and tapchanger raise and lower, along with auxiliary functions, such as self-test

alarm, user-programmable alarm and operations counter.

Refer to the applicable M-2001 Series Instruction Book for pin assignments.

Installation

1. Utilizing the four screws provided in the drawstring bag, mount the two right

-angle mounting brackets to the M-2001 Digital Tapchanger Control (refer to

Figure 1. M-2050 Mounting). 

 NOTE: When locating Digital Tapchanger Control, allow for adequate clearance

above for RS-232. RS-485 and fiber-optic ports, and below for the 24-pin connector

plug.

2. Drill mounting holes as indicated in Figure 2. Outline and Hole Drill Dimensions.

3. Install the M-2050 Surface Mounting Kit (with M-2001 Digital Tapchanger Control)

on to the flat surface.

4. Refer to the applicable M-2001 Series Instruction Book for connection and

commissioning details.