Emerson FB3000 RTU Instruction Manual
D301851X012
May 2022
I/O Configuration and Wiring
43
3.4.1
DO Wiring
Figure 3-5
shows how to wire the digital output using the low side internal switch. In the
figure, DOHI_1/DOLO_1 are configured to use the internal ground switch that you
enable within FBxConnect. Current is limited to 50mA when using the low side switch.
Figure 3-5: Digital Output (DO) Wiring – Low Side Internal Switch
1
Power Supply 30VDC Max
2
50 mA load max field device
3
Low side switch - internal
4
Suppression diodes – only one required. Recommended placement is across
inductive load. When installing the diode, ensure correct polarity.
5
Relay coil or inductive load
Summary of Contents for FB3000
Page 7: ...FB3000 CSA Approval Information CD9411L Issued March 11 2021 CSA 5 ...
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Page 68: ...Emerson FB3000 RTU Instruction Manual D301851X012 May 2022 56 I O Configuration and Wiring ...
Page 72: ...Emerson FB3000 RTU Instruction Manual D301851X012 May 2022 60 Operation ...
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