ST100 Series Flow Meter OPERATION
Fluid Components International LLC 27
Extended Operation Modes
The measurement capabilities of the ST100 series instruments are expanded with the following extended operating modes:
• External Input Flow Adjust (EIA)
• External ST100 Flow Input (EFI)
• Auto FE Calibration Group Switching (FCS)
• External Control Group Switching (EGS)
Use the ST100 configuration software application to set up an extended operating mode. The ST100 HMI menu cannot be used to program this feature.
Basic
This is the factory default mode of operation (no extended operating mode in effect).
Extended Modes Select Screen
Analog Output Response to IDR Check
During the IDR sequence the analog outputs respond as listed below. Readings are taken with a 250 Ω load across Analog Output 1, 2 or 3.
NAMUR Enabled LOW
2.325 Vdc = 23.16 sfps = baseline (example: actual flow output varies from 1-5 volts)
0.900 Vdc = IDR In Progress
1.000 Vdc = momentary state
2.326 Vdc = after 3 seconds. IDR values are displayed now.
NAMUR Enabled HIGH
2.325 Vdc = 23.16 sfps = baseline (example: actual flow output varies from 1-5 volts)
5.250 Vdc = IDR In Progress
1.000 Vdc = momentary state
2.326 Vdc = after 3 seconds. IDR values are displayed now.
NAMUR Enabled Disabled
2.325 Vdc = 23.16 sfps = baseline (example: actual flow output varies from 1-5 volts)
1.000 Vdc = IDR In Progress
2.326 Vdc = after 3 seconds. IDR values are displayed now.
Extended Op Mode Tab
Basic Mode
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