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Single Gas Sensor Module (SGSM) 

Operations Manual 

 

Super Systems Inc.    

Page 17 of 38 

Page 17 of 51 

 

Register Name 

Register Location 

Description 

MB_READ_CAL_ERROR_REG 

1295 

First of 5 calibration error 
calculations 

MB_READ_ZERO_VOLT_CAL 

1300 

volts at zero (for NDIR cell, 100 
= ref, 101 gas) 

MB_READ_ZERO_TEMP_CAL 

1302 

temperature at zero 

MB_READ_SPAN_VOLT_CAL 

1303 

volts at span (for NDIR cell, 103 
= ref, 104 gas) 

MB_READ_SPAN_TEMP_CAL 

1305 

temperature at span 

MB_READ_SPAN_TARG_CAL 

1306 

Target value at span 

MB_READ_MAX_ROUND_ROBIN 

1307 

Max Round robin time (ms) 

MB_READ_MAX_ROUND_ROBIN_US  1308 

Max Round robin time (us) 

MB_READ_EEPROM_WRITER_COUNT  1309 

Counts the number of times 
EEPROM has been written (not 
saved) 

MB_READ_SPAN_MULTIPLIER 

1310 

Shows the span multiplier 

MB_DIGIO_OUTPUT_SET 

1600 

Bitmap that sets the output of a 
digital I/O card 

MB_DIGIO_COMM_STATUS_REG 

1601 

Communication status for 
digital I/O card 

MB_DIGIO_VERSION_NUMBER 

1610 

current version number of the 
firmware 

MB_DIGIO_UART_1_MODE 

1611 

Determines mode: modbus 
slave = 0, modbus master = 1 

MB_DIGIO_UART_1_BAUD_RATE 

1612 

Baud Rate. 

MB_DIGIO_UART_2_MODE 

1613 

Determines mode: modbus 
slave = 0, modbus master = 1 

MB_DIGIO_UART_2_BAUD_RATE 

1614 

Baud Rate. 

MB_DIGIO_BOARD_ADDR 

1615 

Board modbus address 
(important for slave only) 

MB_DIGIO_MODEL_NUM 

1616 

MODEL number Map as reg 900 

MB_DIGIO_RESET_FACT_DEFAULTS  1618 

SFD 23205 sets factory defaults 
Map as reg 909 

MB_DIGIO_UART_3_MODE 

1619 

Determines mode: modbus 
slave = 0, modbus master = 1 

MB_DIGIO_UART_3_BAUD_RATE 

1620 

Baud Rate. 0=1200 ,..., 
10=115200 

Содержание A20829

Страница 1: ...gle Gas H2 Hydrogen Sensor Modules With Optional O2 Input OPERATIONS MANUAL Super Systems Inc 7205 Edington Drive Cincinnati OH45249 513 772 0060 Fax 513 772 9466 www supersystems com PN A20829 PN A20...

Страница 2: ...21 306 5180 http www supersystemseurope com Super Systems M xico SistemasSuperioresIntegrales S de RL de CV Acceso IV No 31 Int H Parque Industrial Benito Juarez C P 76120 Quer taro Qro Phone 52 442 2...

Страница 3: ...Modbus Registers 10 Initial Network Configuration 18 nLocateIP Method 18 Control Interface via Web Browser 20 Main 21 Instrument Information 21 Sensor Information 22 Instrument Configuration 23 Output...

Страница 4: ...of each of these sensors is to measure H2 but each of them has the ability to measure Oxygen O2 with the addition of an external O2 sensor see details below Note that the Lambda O2 sensor requires 12...

Страница 5: ...igure 1 Connections diagram for A20829 Wire Color Red VDC Power supply 24VDC 750 mA Black VDC Green Black Stripe RS485 Communications signal Red Black Stripe RS485 provided by modbus over serial White...

Страница 6: ...uct O2 This is the port for the Lambda O2 analog sensor TC This connection port is N A for this product RS485 1 This is a communications port used for when this device is the Client RS485 2 This is a...

Страница 7: ...o that the lettering on the front of the unit can be read The length of pipe between the main exhaust and the bottom of the KF fittings should be minimized and must be less than 2 or the unit s respon...

Страница 8: ...where the DIP switches are located inside of the enclosure The DIP switch settings for each address are given in Appendix A To gain access to the DIP switches 1 Verify that the unit is not powered Unp...

Страница 9: ...ut having to remove the cover plate 1 Verify that the unit is not powered Unplug the power connector to remove power 2 Remove the two 2 6 32 screws from the access plate labeled Configuration This wil...

Страница 10: ...lave 1 Sensor Driver UART_1_BAUD_RATE 2 Baud Rate 0 1200 5 19200 10 115200 UART_2_MODE 3 0 slave 1 Sensor Driver UART_2_BAUD_RATE 4 Baud Rate 0 1200 5 19200 10 115200 UART_3_MODE 5 0 slave 1 Sensor Dr...

Страница 11: ...ther 4 mA or 0 mA CUR_LOOP_SPAN 30 Span value This value equates to either 20 mA CUR_LOOP_MANUAL 32 If manual mode is set then this register controls 0 20000 INST_PV_MODE 34 0 H2 1 DA 2 NH3 3 KN 4 Sta...

Страница 12: ...of week 0 Sunday MB_SET_TM_HOUR 511 set hour MB_SET_TM_MIN 512 set minute MB_SET_TM_SEC 513 set second MB_TM_YEAR 514 year MB_TM_MON 515 month MB_TM_MDAY 516 day of month MB_TM_WDAY 517 day of week 0...

Страница 13: ...IGIO_RR_TIME_MAX 935 Max Round robin time ms UART_1_PARITY 940 0 8N1 1 8E1 2 8N2 UART_2_PARITY 941 0 8N1 1 8E1 2 8N2 UART_3_PARITY 942 0 8N1 1 8E1 2 8N2 UART_4_PARITY 943 0 8N1 1 8E1 2 8N2 UART_5_PARI...

Страница 14: ...c write SENSOR_GEN_QUEUE_START 1151 Start of write E g register 45 SENSOR_GEN_QUEUE_ADDRESS 1152 Address of board to write to SENSOR_GEN_QUEUE_NUM_WORDS 1153 Number of words to write down up Up to 30...

Страница 15: ...19 NH3 flow MB_READ_DA_FLOW 1220 DA flow MB_READ_H2_FLOW 1221 H2 Flow MB_READ_PV_MODE 1222 Process variable 0 H2 1 DA 2 NH3 3 Kn 4 Standard Kn MB_READ_INPUT_TYPE_REG 1223 Input for voltage inputs MB_R...

Страница 16: ...MB_READ_NDIR_GAS_VPP_SF 1258 Peak peak voltages No high low values MB_READ_NDIR_GAS_VPP_FIR 1262 Peak peak voltages FIR filtered MB_READ_NDIR_GAS_NA 1266 Gas Normalized absorbance MB_READ_NDIR_GAS_NA_...

Страница 17: ...been written not saved MB_READ_SPAN_MULTIPLIER 1310 Shows the span multiplier MB_DIGIO_OUTPUT_SET 1600 Bitmap that sets the output of a digital I O card MB_DIGIO_COMM_STATUS_REG 1601 Communication st...

Страница 18: ...Configuration This section is intended for use by persons familiar with Ethernet network setup The SGSM has a static IP Address so that the web interface can be accessed easily The default IP Address...

Страница 19: ...f instrument and serial number It also provides the IP Address information for the sensor 5 Click the Configure button and choose the sensor to change its IP Address settings 6 Click on the device des...

Страница 20: ...or network administrator If needed call SSi at 513 772 0060 Control Interface via Web Browser The SGSM can be controlled using a web browser on your computer The web browser connects to the unit throu...

Страница 21: ...to the display screen if desired In the example below the percentage composition of H2 is displayed Figure 7 Main Page with H2 Percentage Shown Instrument Information The Instrument Information page p...

Страница 22: ...Gas Temperature The temperature of the measured gas Amb Temperature The ambient temperature where the sensor is located NOTE The following options are intended primarily for SSi personnel to assist w...

Страница 23: ...ulations such as nitriding potential Kn percent dissociation DA percent ammonia NH3 and or super Kn These calculations are displayed on the Main webpage when selected on the SSI Configuration webpage...

Страница 24: ...tion is selected the user can choose a 0 20 mA or 4 20 mA output range for that option s calibration range The External option is for special cases where an additional analog output is required from a...

Страница 25: ...e sure that you have a multimeter or other appropriate testing instrument available SSi recommends that each time an output is calibrated that a zero calibration is performed first and the span calibr...

Страница 26: ...and calibration methods are detailed below Additionally the gas sensor must be calibrated at both the low end and high end of the measured gas composition range to ensure accurate readings Never perfo...

Страница 27: ...as can flow directly through the sensor as shown in the illustration below Flow should be 1 to 2 cfh Figure 13 Zero Calibration Gas Flow 4 Enter the target gas concentration in the Enter gas concentra...

Страница 28: ...w Stabilization 10 Enter the target gas concentration in the Enter gas concentration field 11 Press the Calibrate button A Calibration Timer will count down 12 Once the Calibration Timer has counted d...

Страница 29: ...ses should be Certified Primary Standards or equivalent accuracy Then follow these steps 1 Note the percentages of the sensor gas in each gas source zero and span 2 Ensure that the system is purged of...

Страница 30: ...d For thermocouple inputs see the table above for the corresponding range 6 Connect the calibrator and source a zero input signal 0 mV or 0 VDC 7 Allow the Raw VDC 1 signal to stabilize 8 Enter the sa...

Страница 31: ...bmit button to save that information When connected to a digital card if desired one of two alarms or both simultaneously can be activated through Modbus registers There are four possible actions for...

Страница 32: ...e main board Sub Serial The serial number of the sensor board En Card Enable Card This option allows a digital I O card to be added Relay Input This option allows a value to be written to enable relay...

Страница 33: ...e 19 SSI Configuration Page Read Write Registers The Read Write Registers page is used for troubleshooting verification and setup of the instrument Modifications to the SGSM can also be written from t...

Страница 34: ...Host Name The MAC address should not be changed The Host Name can be changed as needed To enable dynamic assignment of IP addresses click on the Enable DHCP checkbox Dynamic assignment means that the...

Страница 35: ...ly 75 W 31135 Lambda Oxygen Sensor 4 Wire Analog 12 VDC 31435 Terminal Block 6 Position 33305 Terminal Block 3 Position 33310 Terminal Block 2 Position 33311 Terminal Block 2 Position 33312 Fitting 1...

Страница 36: ...D WARRANTIES OR CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE SOME JURISDICTIONS DO NOT ALLOW THE LIMITATION OF IMPLIED WARRANTIES SO THIS LIMITATION MAY NOT APPLY TO YOU SSI is n...

Страница 37: ...n n n n Address 4 Address 12 Address 20 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 ON n ON n n ON n n OFF n n n n n n n OFF n n n n n n OFF n n n n n n Address 5 Address 13 Address 21 1 2 3 4 5...

Страница 38: ...18 B Replaced A20829 diagram replaced A20829 photo updated specs table added wire color function info to connection diagram 5 3 2019 2264 C Corrected O2 Sensor Part Number 4 6 2021 2310 D Added Mounti...

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