J2 - Dc Power; J3 - Interboard Bus B; J4 - Jtag - RESEARCH CONCEPTS RC4000 User Manual

RC4000 ACU Boardset

2.1.2.1.2 J2 - DC power

Designation
J2 "+24 Power"
The Power/Drive Board will be used to provide 24 VDC power to other cards in the boardset. Typically
pins 1 & 2 will start the DC power distribution "daisy chain" by supplying power to the computing/interface
card.

2.1.2.1.3 J3 - Interboard Bus B

Designation
J3
Drive control signals from the processor card are provided to the Drive board via Bus B.
Signal details for Bus B are provided in

2.1.2.1.4 J4 - JTAG

Designation
J4 unmarked
J4 provides for factory programming of the Drive Board's microcontroller.
Chapter 2
PCB Pin Count
6
PCB Pin Count
"Bus" 40
section 2.1.2.2.1.
PCB Pin Count
10
16
Connector
Molex Friction Lock Header
Connector
Right Angle Shrouded Header
Connector
Right Angle JTAG
Hardware
Type #
2
Type #
3
Type #
4