User guide

Publication 1395-RTP-5.1 - September 1997
Start-Up Instructions 3-7
Control Boards Main Control Board (A8) – Figure 3-1 illustrates the major
hardware points on the board. The board performs all control
functions of the Bulletin 1395 Drive. Hardware located on the board
is used to support operation of the microprocessor program. The
primary functions performed include:
• Microbus Interface
• Control Firmware
• Analog Signal Interface
• Develop gate control signals sent to the Power Stage Interface