User`s guide

73
Chapter 3 System Overview
Signal Routing and Switching
3
Form C (SPDT) Switching The 34903A Actuator contains 20 Form C
switches (also called single-pole, double-throw). You can use Form C
switches to route signals but they are typically used to control external
devices.
Channel Open
(NC Contact Connected)
Channel Closed
(NO Contact Connected)
NO = Normally Open
NC = Normally Closed
NO
NC
COM
NO
NC
COM
34970A Refresh UG.book Page 73 Wednesday, February 17, 2010 12:34 PM