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2.3 SPECIAL FEATURES
Display filter First order digital filter on displayed value, with configurable time
constant of 0.4, 1, 2, 3, 4 or 5 seconds
Peak detection Automatic detection of maximum and minimum measured value
Input logic Driven by dry contacts for manual alarm reset or for hold-on value
Watch dog Hardware and software for automatic restart
Protection Internal jumper for calibration and configuration
Parameter protection
Keyboard lockout
2.4 ALARMS
Quantity Two independent alarms
Threshold 0% to 100% of readout span
Resolution and decimal point position as selected per readout
value
Hysteresis Programmable, 0.1% to 9.9% of readout span
Type of alarms High or low thresholds
Direct or reverse (failsafe) action
Automatic or manual reset
Optional low alarm startup masking
Alarm output Two contacts, SPST, NO or NC, jumper selectable
Update time 100 ms
Contact rating 0.6A at 110 Vac resistive load; 0.5A at 220 Vac resistive load; 0.3A
at 110 Vdc inductive load
Filter Optional digital filter with the same time constant chosen for
display filter
2.5 SERIAL COMMUNICATION INTERFACE (OPTION)
Type RS-485, opto-isolated from instrument input and output
Protocol Polling/Selecting, modbUS, jbUS
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