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DIGITAL INSTRUMENTS FOR
INSTALLATION ON DIN SLOT
S504 Series
TECHNICAL MANUAL
STEIEL Elettronica S.r.l. – Viale Europa, 24 – 35020 Ponte San Nicolò – PADOVA ITALY
Tel. +39-049-8961488 – Fax. +39-049-8960184 –
www.steiel.it
– info@steiel.it
Company with quality system certified to UNI EN ISO 9001-2000
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Summary of Contents for Steiel S504 Series
- Page 1 DIGITAL INSTRUMENTS FOR INSTALLATION ON DIN SLOT S504 Series TECHNICAL MANUAL STEIEL Elettronica S.r.l. – Viale Europa, 24 – 35020 Ponte San Nicolò – PADOVA ITALY Tel. +39-049-8961488 – Fax. +39-049-8960184 – www.steiel.it – info@steiel.it Company with quality system certified to UNI EN ISO 9001-2000...
- Page 2 WARNINGS This manual is dedicated to the technical personnel responsible of the installation, management and maintenance of the plants. The manufacturer assumes no responsibility for damages or malfunctions occurring after intervention by non-authorized personnel, or not compliant with the prescribed instructions. Before performing any maintenance or repair action, ensure that the system is electrically and hydraulically insulated.
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Page 3: Table Of Contents
TABLE OF CONTENTS PACKING LIST ............................ 4 INTRODUCTION AND PRINCIPLE OF OPERATION ................4 DESCRIPTION OF THE FRONT PANEL ..................... 4 TECHNICAL DATA ..........................5 ELECTRICAL CONNECTIONS ......................6 START-UP ............................7 CONFIGURATION ..........................7 LIST OF PARAMETERS ........................8 MEANING OF PARAMETERS ...................... -
Page 4: Packing List
ON/OFF button. Alarms and errors (diagnostics) are directly shown on display, and configuration / calibration data are stored into the non-volatile internal memory for at least 10 years. The S504 series includes models with different analogic input, for the following measurement sensors: pH / ORP electrode ... -
Page 5: Technical Data
TECHNICAL DATA Common characteristics Power supply 10-240 V~ 50/60 Hz (24V- or 24V~ upon request) Power consumption max 4 VA Power supply protection internal PTC fuse Display alphanumeric display, 2 rows x 8 characters, with backlight Analogue inputs precision better than 0.3% FS ; repeatability better than 0.2% FS (electronics only) Temperature input available on all versions;... -
Page 6: Electrical Connections
ELECTRICAL CONNECTIONS For electrical connections, always refer to the label attached on the terminal block. Anyway, the electrical connections of the measure input depend on the instrument model. The following indications are the common connections for all models: SUPPLY: pins 1 and 2; the mains power supply must correspond to the instrument voltage (±10%); see instrument label. -
Page 7: Start-Up
START-UP At start-up, the S504 displays the instrument/software version, then checks the status of memorized data and shows any error or warning messages (see the “Errors” section for details), then the controller enters the normal mode, displays the measurement value and upgrades the output status. Pressing simultaneously the [+] and [-] keys at start-up, the S504 runs a “Test”... -
Page 8: List Of Parameters
LIST OF PARAMETERS It is recommended to fill the last column with the values set for your application. Version pH / RX / °C / mA (factory values refer to pH range) Default PAR. Description value value value value Measure type Reserved 0.00 0.00... -
Page 9: Meaning Of Parameters
MEANING OF PARAMETERS PARAMETER 01 (pH / RX / T) MEASURE TYPE The S504-pH/RX/T is generally supplied already set as pH-meter. Anyway, the user can easily change this selection as follows: 0 = pH-meter; 1 = redox meter; 2 = thermometer. PARAMETER 01 (conductivity) CONDUCTIVITY METER TYPE Select the desired combination of measure range/cell constant and set this parameter accordingly. - Page 10 PARAMETER 03 (conductivity) REFERENCE TEMPERATURE See Parameter 02 PARAMETER 04 WORKING TEMPERATURE All S504 models can measure the temperature and use the value for temperature compensation of measurements. If no Pt100 sensor is connected, this parameter allows to enter the working temperature value, which is displayed in brackets.
- Page 11 PARAMETER 14 DE-ENERGIZING DELAY OF RELAY K2 This parameter allows to enter a delay time (in seconds) for the de-activation of relay K2. PARAMETER 15 DELAY AT START-UP At start-up, the sensor connected to the signal input could need a stabilization time before giving correct measurements.
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Page 12: Control Examples
Codified measure unit are listed in the table below: 1 = pH 2 = mV 3 = °C 4 = ppm 5 = uS 6 = mS 7 = % 8 = mA 9 = pulse 10 = sec 11 = min 12 = %/°C 13 = V 14=mbar... -
Page 13: Additional Visualizations
ADDITIONAL VISUALIZATIONS Pressing the [-] and [+] keys during the normal operations will result in the following displaying: pH-meter gain factor (0.667 ... 1.428) offset in pH units @25°C (-1.50 ... 1.50) Redox-meter gain factor (1.000) - fix offset in mV (-150 ... 150) Thermometer gain factor (0.900 …... -
Page 14: Specifications Of Ph Input
SPECIFICATIONS OF pH INPUT ELECTRICAL CONNECTIONS The signal comes from the electrode through a coaxial cable, with a maximum recommended length of 20 meters (for longer cables, please contact the manufacturer). The electrode input is available on terminals 12 and 13: connect the shield to the pin 12 and the core of the coaxial cable to the pin 13 (Note: remove any black conductive plastic between the core and shield of the cable). -
Page 15: Specifications For Orp Input
SPECIFICATIONS FOR ORP INPUT ELECTRICAL CONNECTIONS The signal comes from the electrode through a coaxial cable, with a maximum recommended length of 20 meters (for longer cables, please contact the manufacturer). The electrode input is available on terminals 12 and 13: connect the shield to the pin 12 and the core of the coaxial cable to the pin 13 (Note: remove any black conductive plastic between the core and shield of the cable). -
Page 16: Specifications Of Temperature Input
SPECIFICATIONS OF TEMPERATURE INPUT ELECTRICAL CONNECTIONS The signal comes from a Pt100 sensor through a 2 or 3-wire cable, that has to be shielded if longer than 15 meters. Connections are made on removable terminal block, at pins 7 and 8. If a sensor with 3-wire cable is used, connect to the same terminal the two wires of the same colour (internally short-circuited). -
Page 17: Specifications Of Conductivity Input
SPECIFICATIONS OF CONDUCTIVITY INPUT ADDITIONAL TECHNICAL INFO The electronic precision of the conductivity measurements is better than 1%, and the repeatability is better than 0.2% FS, without temperature compensation (resistive calibration). The temperature compensation introduces an additional error of 0.3% FS, and is performed through the PT100 input. The temperature sensor may be a probe separated from the conductivity cell (e.g. - Page 18 5. Press CAL to confirm calibration, or NEXT to exit without saving O F F S E T (previous calibration data are kept). 0 0 u S 6. Immerse the cell into a standard conductivity solution (see the table below). 7.
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Page 19: Specifications Of Standardized Input
SPECIFICATIONS OF STANDARDIZED INPUT ELECTRICAL CONNECTIONS The signal comes from the transmitter (or transducer) through a 2 or 3-pole cable, that has to be shielded if longer than 20 meters. Connections are made on removable terminal block as follows: 1. Passive transducer: terminal 14 = negative input (IN-) terminal 13 = positive input (IN+) terminal 12 = power supply positive (+Va)
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