Logic I/O - Emerson Rosemount Oxymitter 4000 Instruction Manual

Oxymitter 4000
Figure 4-2. Defaults - Oxymitter
4000 with LOI

LOGIC I/O

4-4
This two-terminal logic contact can be configured either as a solid-state
relay-activated alarm or as a bi-directional calibration handshake signal to an
IMPS 4000 or SPS 4001B. The configuration of this signal depends on the
setting of the LOGIC I/O PIN MODE via HART/AMS or LOI. The ten different
modes available are explained in Table 4-1.
Alarm
When configured as an alarm, this signal alerts you to an out-of-spec
condition. The output is +5 Vdc in series with a 340 ohm resistor.
For optimum performance, Emerson recommends connecting the output
to a Potter & Brumfield 3.2 mA DC relay (P/N R10S-E1Y1-J1.0K).
Instruction Manual
IM-106-340, Rev. 4.3
July 2017