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Reference Manual
00809-0100-4444, Rev AC
Section 3: Advanced Installation Details
January 2015
Advanced Installation Details
External
For transmitters with the internal/external pulse power switch (output option code A) set in the
EXTERNAL position or transmitters with intrinsically safe outputs (output option code B) the
following requirements apply:
Supply voltage: 5 to 28 VDC
Maximum current: 100 mA
Maximum power: 1.0 W
Load resistance: 200 to 10k Ohms (typical value 1k Ohms)
Pulse mode: Fixed pulse width or 50% duty cycle
Pulse duration: 0.1 to 650 ms (adjustable)
Maximum pulse frequency: Output option code A is 10,000 Hz
Maximum pulse frequency: Output option code B is 5000 Hz
FET switch closure: solid state switch
Output option
code
Supply voltage Resistance vs cable length
A 5-28 VDC See Figure 3-2 on page 45
B 5 VDC See Figure 3-3 on page 45
B 12 VDC See Figure 3-4 on page 46
B 24 VDC See Figure 3-5 on page 46