Revision 3
STT850
Temperature Transmitter User’s Manual
Page 17
Digital Output is available only on HART transmitters. The Digital Output should not use the same
power supply as used to support the 4-20mA transmitter output. See
Figure 11
and
Figure 12.
For Intrinsically Safe (IS) applications, the 4-20mA and the Digital Output must use separate IS
Barriers.
Figure 11
– Digital Output Connections for mA Load (HART only)
Figure 12
– Digital Output Connections for PLC Counting Pulse (HART only)
Summary of Contents for STT850 SMARTLINE
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