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Compur Statox 502 Manual

Control module
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Manual
Statox 502
Control Module
Compur Monitors GmbH & Co. KG
Weissenseestrasse 101
D-81539 München
Phone: +49 (0) 89 62038 268
Fax: +49 (0) 89 62038 184
www.compur.com
compur@compur.de

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  • Page 1 Manual Statox 502 Control Module Compur Monitors GmbH & Co. KG Weissenseestrasse 101 D-81539 München Phone: +49 (0) 89 62038 268 Fax: +49 (0) 89 62038 184 www.compur.com compur@compur.de...

  • Page 2: Table Of Contents

    Statox 502 Control Module Content Warning Signs ............................3 Mounting .............................. 5 Dismounting ............................6 Connecting to power supply ......................... 7 Start-up ..............................7 Controls ..............................9 LEDs ............................... 9 Display ..............................10 Communication bus ..........................11 Electrical connections ......................... 11 Connecting the external reset and analog output ..............

  • Page 3: Warning Signs

    Safety notes Read and observe this manual prior to installation and start-up. The Statox 502 Control Module is only allowed to operate under the given ambient conditions (see Technical Data). In particular, it must not be operated in potentially explosive atmospheres! The Statox 502 Control Module must be operated, maintained and repaired by trained and expert personnel only.
  • Page 4 Control Module, even if they are intended to operate in Zone 1 or 2. The Statox 502 can also be operated as Common Alarm Module. It collects the alarm signals (A1/A2/SF) of up to 25 connected control modules and generates a common alarm on LEDs, relays and its analog output.

  • Page 5: Mounting

    Statox 502 Module must be at least 80 mm (3.15 “). Furthermore at least 120 mm (4.72 “) must be remain free between two rail lines.

  • Page 6: Dismounting

    Statox 502 Control Module You can combine modules of the Statox 502 series in any sequence. Adding or removing one module has no impact on the others. You can save wiring effort starting with the power supply on the outside and connecting it to the bus.

  • Page 7: Connecting To Power Supply

    Otherwise the sensor can be damaged. Ex works the Statox 502 is configurated to operate as Control Module. After connection to power, it performs a self-test. It displays the firmware version, then for 5 seconds the actual measuring program, then “PLEASE WAIT”.
  • Page 8 Sensor heads for combustible gases, type HRC, ARE, LC IR, MC IR and PID must be calibrated after being connected. Exception: A line calibration has been done by Compur. Power ON Actual firmware version is displayed 3 s.

  • Page 9: Controls

    Right display line when in the measuring mode. In some menus a continuous push activates the fast mode LEDs The Statox 502 has 4 status LEDs. The function of the individual LEDs is subsequently explained. Description Function Power supply: Green „ON“...

  • Page 10: Display

    Statox 502 Control Module Display In the measuring mode the display shows the target gas, the actual measured value and the unit. Example 1 (Combustible gas) Measured value Unit in % LEL (Lower Explosion Level) Example 2 (Toxic gas) Measured value Unit in ppm (parts per million) In case of an over range exposure, the full scale value is going to flash.

  • Page 11: Communication Bus

    Figure 6: Bus terminals Electrical connections The Statox 502 operates at 24 ± 2 VDC. Higher voltage or short circuits on the terminals may destroy the module. The terminals are pluggable. To remove the terminal blocks, set the screwdriver directly over the screws and press the block to the front side.
  • Page 12 Statox 502 Control Module Terminal Contact Function 1 External Reset Remote Reset 2 GND (External Reset) 3 0 – 22 mA analog output Analog output 4 GND (0 - 22 mA output) 5 Sensor voltage - Sensor head power supply...

  • Page 13: Connecting The External Reset And Analog Output

    Figure 8: Connections external reset and analog output Connecting the internal relays Statox 502 has three relays, each equipped with one make and one break contact. Two relays monitor alarm threshold exceeding, one system failure. System failure relay: The SF-relay coil is always active and drops out in case of a system failure or voltage drop.

  • Page 14: Password

    Statox 502 Control Module Statox 502 main menu Password The main menu is password protected. No matter if in the measuring, the failure or the start mode: below procedure gives access to the main menu. The password is: 1994 (not changeable)

  • Page 15: Main Menu Structure

    ALARM 2 RELAY Setting Alarm 2 relays parameters no access if the Statox 502 is operated as Common Alarm Module. no access if a program for the operation of Statox 501/S, Statox 501 Infratox and Statox 505 is active. „MENU NOT ACTIVE“ will be shown for 2 s if a menu is not accessible in the actual mode or program.

  • Page 16: Service Mode

    The sensor heads for toxic gases, oxygen or combustible gases measure the concentration of the target gas in the field. Statox 502 evaluates the signal and displays the value. Any alarm threshold exceeding is signaled by an LED and the alarm relays is activated. The alarm is also communicated on the bus.
  • Page 17 Statox 502 Control Module MEASURING MODE Change Menu item Active program Select new program, no Time-Out! Displayed for 2 sec New program number. Push ENTER to start. Start-up Figure 12: Program selection diagram 1. Push the - button to enter the „CHOOSE PROGRAM“ menu.

  • Page 18: Calibration

    Statox 502 Control Module Calibration In this menu you can perform a calibration of sensor heads type Statox 501 HRC, ARE, LCIR, MCIR and PID detecting combustible gases, carbon dioxide (CO ) and volatile organic compounds (VOC). The test gas concentration must be within the permitted range, see program listing.
  • Page 19 Statox 502 Control Module 1. Enter the menu „CALIB. ROUTINE“ by pushing 2. The display shows: „ZERO ADJUSTM.“ Beginning with step 3, the automatic Time-out is not active. 3. Push the - button. Display: „000“ flashing. The Control Module adjusts the actual zero point.

  • Page 20: Reading The Bridge Voltage

    Statox 502 Control Module 11. The display will now show the actual measured value with unit. In order to avoid unrequested alarms make sure the signal created by the test gas has dropped below the alarm threshold prior to returning into the measuring mode.

  • Page 21: Switching The Sensor Power Supply Off

    Statox 502 Control Module 1. In the menu „BRIDGE VOLTAGE“ push 2. The actual bridge voltage is displayed. During this procedure the automatic Time-out is not active. 3. Push Reset to return to the main menu and again to return to measuring mode.

  • Page 22: Programming The Alarm Relays

    Statox 502 Control Module 1. Enter the menu „SENSOR POWER“ by pushing 2. Display „SENSOR ON“. Up to step 7 the automatic Time-out is not active. 3. Change the status of the sensor head power supply with ◄- or ►.
  • Page 23 Statox 502 Control Module MEASURING MODE Figure 16: Control Module - alarm relays setting 1. Enter the menu „ALARM 1 RELAY“ or „ALARM 2 RELAY“ by pushing The procedure is identical for both relays. With the next alarm the new settings will be effective.
  • Page 24 Statox 502 Control Module Statox 502 in Common Alarm Module Operation The ex-works setting of the Statox 502 is Control Module mode. See chapter 8.3 for changing to Common Alarm mode. After being connected to power, the Statox 502 performs a self-test. Then the display shows the actual firmware code.

  • Page 25: Alarm Relays Configuration

    Statox 502 Control Module Example: On the bus are 3 control modules and 1 common alarm module. The first control module is in alarm 1 status, the second control module is in alarm 2 status, and the third control module submits system failure. All LEDs and relays on the common alarm module will be activated, the analog output will generate 16 mA, and the display will show „COMMON ALARM 2“.

  • Page 26: Functional Test

    7. The module returns now automatically into the main menu. 8. Push the reset button to return to the measuring mode. Common menu items of the Statox 502 Functional test This test can be performed in any operation mode (Control Module or Common Alarm Module). It tests the proper function of the LEDs, relays, analog output and bus.
  • Page 27 Statox 502 Control Module MEASURING MODE Change Menu item LED A1 flashes, Relay A1 switches, alarm report A1 to bus LED A2 flashes, Relay A2 switches, alarm report A2 to bus LED S flashes, Relay SF switches, alarm report SF to bus...

  • Page 28: Current Output In Service Mode

    Statox 502 Control Module Current output in Service Mode You can select which current the analog output generates in the service mode. The ex – works setting is 2 mA. The selected output current is conserved independent from selected program or operation mode.

  • Page 29: Changing The Operation Mode - Control Module Or Common Alarm Module

    Statox 502 Control Module Changing the operation mode – Control Module or Common Alarm Module The ex - works setting of the Statox 502 is Control Module. Please find detailed information for running the Statox 502 in Control Module mode in chapter 6.
  • Page 30 Statox 501 HRC, ARE, LCIR, MCIR and PID for combustible gases, CO and VOC. Together with the two internal resistors of the Statox 502 module the sensor forms a Wheatstone measurement bridge. A gas concentration-dependent resistor in the sensor leads to a change of the bridge voltage.
  • Page 31 Statox 502 Control Module Sensor head type Signal Measuring mode Cable Statox 501 HRC, ARE, Voltage in mV: Voltage mode 3 or 5 Figure 24 LCIR, MCIR and PID Non balanced bridge Statox 501/S, Current: Current mode 2 or 3...

  • Page 32: Status Messages

    Status- and error messages In case the display stays dark, check the polarity and the voltage of the power supply. The internal fuse may be damaged. Replacement of the fuse by Compur service personnel only! Status messages Information First line...

  • Page 33: Error Messages

    Actual bridge voltage Error messages Many internal and external functions of Statox 502 are monitored for proper function. It can differentiate between critical and non - critical malfunctions. While critical errors always set the output current to zero, activate the system failure alarm relay and the LED „S“. Non - critical errors (such as operating errors during calibration, e.g.
  • Page 34 Statox 502 Control Module Display Nature Description Measures Short circuit in the sensor head Check wiring and connections. ERROR 1 Critical cable (in voltage mode) Push Enter button. Cable interruption Check wiring and connections. ERROR 2 Critical (in current mode) Automatic reset after error correction.

  • Page 35: Control Module - Status Diagram

    Statox 502 Control Module Control Module - Status diagram LEDs Relays System Current Input from Sensor Display or transmitter signal Status output 4-20 mA or Normal 4 – 20 mA Measuring value OFF active active active bridge voltage 4-20 mA or...
  • Page 36 Functional Safety When the Statox 502 Control Module is used in combination with a Statox 501 ARE or Statox 501 HRC Sensor Head, the whole line has a SIL 2 - capability according IEC 61508. The relevant data have been verified by a FMEDA hardware assessment done by EXIDA.
  • Page 37 Statox 502 Control Module Technical Data Product name: Statox 502 Control Module Manufacturer: COMPUR Monitors GmbH & Co. KG, D-81539 Munich Power supply: 24 ± 2 VDC max. 200 mA Power consumption: max. 5 W Current rating: max. 8 A on communication bus Operating temperature: -10°...
  • Page 38 Statox 502 Control Module Declaration of conformity Page 38 of 40 Issue 1/2015...
  • Page 39 Statox 502 Control Module Issue 1/2015 Page 39 of 40...
  • Page 40 Any statement or recommendation not contained herein is unauthorized and shall not bind Compur Monitors. Nothing herein shall be construed as a recommendation to use any product in conflict with patents covering any material or device or its use. No license is implied or in fact granted under the claims of any patent.

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