Emerson Process Management 2400S Transmitters Satellite Radio User Manual


 
Installation Manual 17
I/O Wiring – Model 2400S Analog Transmitters
Power Supply I/O Wiring – DP and DNI/O Wiring – ANBefore You Begin
3.4.3 Discrete output wiring
Discrete output wiring depends on whether you will use internal or external power. The following
diagrams are examples of proper wiring for these configurations:
Internal power – Figure 3-9
External power – Figure 3-10
Figure 3-9 Discrete output wiring – Internal power
Figure 3-10 Discrete output wiring – External power
Excessive current will damage the transmitter. Do not exceed 30 VDC input. Terminal current must be
less than 500 mA.
Total load
Note: See Figure 3-11 for output
voltage versus load information.
+
+
Pull-up resistor or
DC Relay
3–30 VDC
Maximum sink current: 500 mA
+
Note: Refer to Figure 3-12 for recommended
resistor versus supply voltage.