View Menu - GF Signet ProcessPro 8850-2 Installation Manual

3.3 Relay Output
The relays can be used as a switch that responds when the
process value moves above or below a setpoint, or to generate a
pulse at a rate proportional to the process value.
• Low:
Relay triggers when process is less than the setpoint.
The relay will de-energize when the process moves above the
setpoint plus the hysteresis value.
• High:
Relay triggers when process is greater than the setpoint.
The relay will de-energize when the process moves below the
setpoint plus the hysteresis value.
Process
Hysteresis
Low Setpoint
Relay energized
Relay de-energized
Process
High Setpoint
Hysteresis

VIEW menu

• During normal operation, ProcessPro displays the VIEW menu.
• When editing the CALIBRATE or OPTIONS menus, ProcessPro will return to the VIEW menu if no
activity occurs for 10 minutes.
• To select a VIEW display, press the ▲ or ▼ keys. The selections will scroll in a continuous loop.
• Changing the VIEW display does not interrupt system operations.
• No key code is necessary to change display selection.
• Output settings cannot be edited from the VIEW menu.
View Menu
All of the displays below are temporary. After 10 minutes the display returns to the permanent display.
4
Time
Time
Display
Monitor the Conductivity and the Temperature input from the sensor.
1234.5 μS/cm
12.6 °C
This is the Permanent display.
Loop Output
Monitor the 4 to 20 mA Loop output.
14.16 mA
Monitor date for scheduled maintenance or date of last calibration.
Last CAL:
02-10-09
(See description in Calibrate Menu.)
• Proportional Pulsing
The relay will generate a 100 mS pulse at the rate defi ned by
settings in the CALIBRATE menu.
In the example below:
• The output will be 0 pulses/min. when value is less than 5.
• The output will be 50 pulses/min. when value is 7.5.
• The output will be 100 when value is greater than 10.
The starting point, endpoint and maximum pulse rate are select -
able in the CALIBRATE menu.
0 pulses
5
Starting point
Description
8850-2 Conductivity/Resistivity Transmitter
100 pulses
10
endpoint
62.50 uS/cm
25.0 C
Signet
Conductivity/Resistivity
Transmitter
ENTER