Partlow MRC 7800, Инструкция по установке, монтажу и эксплуатации.

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1.1.3 DISPLAYS
Each unit is provided with an eight character digital display and status indicators for each pen
provided. The display provided in the upper right corner is for Pen 1, and the display in the
lower right corner is for Pen 2. Status indication is provided for Alarm 1 and Alarm 2. The
display is programmable for none, one, two or three decimal places for process value and
total, with additional scaling ability for the total. The second display is also optional on one
pen units with totalization for simultaneous display of the process value and total.
1.1.4 ALARMS
Alarm indication is standard on all units. Alarm settings are fully programmable. Alarm type
may be set as Process high or low. Indication is via status LED's provided for each pen.
Alarm outputs can be provided by assigning any specified relays (SPST, SPDT or SSR driver)
to the respective alarm.
1.1.5 PROCESS VALUE OUTPUT
If a unit is specified with 4 to 20 mADC outputs, these outputs may be programmed to
operate as a Process Value Output. As such, the output is scaleable.
FIGURE 1-2
TOT
PV
ALRM1 ALRM2