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General| Brand | Sintrol |
|---|---|
| Model | S304 |
| Category | Security Sensors |
| Language | English |
Model LV requires 115 VAC, HV requires 230 VAC. Precautions needed when cover is removed.
Microprocessor-based, self-adjusting devices with alarm relays, 4-20 mA output, RS422 serial communication.
Uses triboelectric technology where particle interaction with sensor rod causes a small electrical charge.
Best location in duct with even distribution and laminar flow, away from bends/obstructions.
Weld mounting socket to duct, cut hole slightly larger than socket OD (38 mm).
Shows wrong socket installation, emphasizing minimum hole diameter of 38 mm.
Connect 115/230 VAC or 24 VDC power supply to connector X3. Ground wire to GND screw.
Describes functions of relay outputs, analog output, and serial communication via connector X5.
Explains how the S304/S305 measures dust level using electrostatic discharge and its output signals.
Describes the front panel components: AUTOMATIC SETUP button, indicator LEDs, display, and control keys.
Explains how to enter service mode using a PIN code for the S305 model.
Details the behavior of Relay 1 and Relay 2 in different setup configurations and service mode.
Instructions on how to change parameter values using the front panel keys, requiring PIN for S305.
Threshold for alarm relay 1 can be set as a percentage of the output range.
Threshold for alarm relay 2 can be set as a percentage of the output range.
Allows adjustment of output zero to 4 mA, requires 30 min warm-up.
Allows adjustment of output span to 20 mA, requires 30 min warm-up.
Sets time delay for alarm relays between 0-180 seconds, common for both.
Averages analog mA output using filter time constant (0-300s) for oscillating readings.
Parameter 7 should be 20% (factory default) for S304 and S305 models.
Sets time period (0-99 hours) for periodic self diagnostics (reference check).
Sets alarm time (0-8 min or continuous) if reference check indicates an internal error.
Adjusts output scale (1-100%) affecting maximum range based on autosetup.
Adjusts output zero point for background signal (0-99% decrement).
Shows PIN code; prevents unauthorized changes and required for service mode on S305.
Sets measuring range by determining typical dust flow, aligning it to 20% of monitor output.
Manual range setup for S304 models, used when process is unstable or auto setup is insufficient.
Unit performs periodic zero and span checks to ensure diagnostics, using parameters 8 and 9.
Explains calibration to mg/m³ using gravimetric method (EN13284-1).
Step-by-step guide for performing the calibration process.
Details how to change the output range using the 'output scale' parameter and a calculation formula.
Troubleshooting steps for no output signal, checking wiring, power, and parameters.
Troubleshooting steps for continuous 4/20mA output after autosetup.
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