Rockwell Automation T8846 Trusted Speed Monitor IFTA (SIFTA) - Manual (Page 20)

Trusted
TM
Speed Monitor IFTA T8846
Issue 2 Apr 10 PD-T8846 20
4.2. Active Open Collector Output Sensor Types
4.2.1. Sensor Power Derived From FTA
Figure 6 shows a typical field connection scheme for +24Vdc field powered speed sensors with open
collector outputs. This arrangement uses the fused field supply derived from the FTA.
Figure 6 Active Open Collector Output Sensor (FTA Derived Field Supply)