Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual
16
Safe Area Open Collector Outputs
Open collector output 1 and 2 connections are made to terminals labeled O1+ and O1-, and O2+
and O2-. Connect the alarm or pulse input device as shown below.
Figure 10. Open Collector Output Connections
O1+ O1- O2+ O2-