FB3000 RTU Instruction Manual
D301851X012
November 2023
I/O Configuration and Wiring 55
Figure 3-5 shows typical wiring with low-side switch (LSS) enabled for DO1 and DO2. You
enable the low side switch for either or both DOs in FBxConnect.
Figure 3-5. Digital Output (DO) Wiring – Low Side Switch (LSS) Enabled
Field device, 50 mA load max
Suppression diodes – typical placements
Switched load, relay coil shown