Amada Miyachi Unitek STA-100A, Operation Manual, Page: 85 / 154

APPENDIX B: ELECTRICAL AND DATA CONNECTIONS
STA SERIES AC CONTROLS
990-351 B-3
Section II. Input/Output Signal Connections
Connect the input/output (I/O) signals as shown in the connection diagram on the following page (B-4),
Input/Output Control Signals .
With the exception of the valve outputs, all output signals are isolated contact relays. Valve outputs
may be either 115 VAC (standard) or 24 VAC.
Input signals are referenced to either an internal or external 24 VDC power supply.
NOTES:

If you have an optional Valve Expansion Board, also make the output connections to that
board, as shown on page B-7.

Descriptions of these signals follow each diagram.