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D700 

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 D720 Series

pH/ORP Digital Analyzer Controller

Operating Manual

Summary of Contents for ProCon D700 Series

Page 1: ...D700 D720 Series pH ORP Digital Analyzer Controller Operating Manual ...

Page 2: ...ffer Reading vs Temperature 12 Field Calibration 12 Data Logging Graphic Trending Trend Chart 13 Measurement Settings 15 SimplCal Calibration 16 Field Calibration 17 Calibration Adjusment 18 Alarm Relay Settings 19 Output Settings 20 MODBUS RTU General Information 21 MODBUS RTU Transmission Mode 22 MODBUS RTU CRC Check 23 Implementation of MODBUS RTU in Instrument 23 Data Format 25 Read Instructio...

Page 3: ...e analyzer 2 The analyzer does not work properly or provides specified measurements 3 The analyzer has been stored for a long time in an environment where the temperature exceeds 70 C The analyzer must be installed by licensed professionals in accordance with relevant local specifications and instructions are included in the operation manual Comply with the technical specifications and input requi...

Page 4: ...ccuracy 0 54 F 0 3 C Temp Compensation 32 302 F 10 150 C Temp Compensation Manual or Automatic Stability pH 0 01pH 24h ORP 1mV 24h Output Two 4 20mA 20 4mA 0 20mA Communication RS485 MODBUS RTU Relay Control Contact 5A 240VAC 5A 28VDC Power Supply 85 265VAC 9 36VDC Power Consumption 3W Working Temperature 14 140 F 10 60 C Relative Humidity 90 Waterproof Rating IP65 Weight 1 5Kg Dimensions 235 185 ...

Page 5: ...RP lon reference S S Membrane dissolved oxygen FCL CE RE WE Constant voltage Residual Chlorine chlorine Dioxide ozone I1 G I2 Output current I3 G I4 Input current RLY3 RLY2 RLY1 Three Relays G L N G ground wire L live N neutral V V RX TX RS 232 communication output V V A B Digital input channel 1 V V A B Digital input channel 2 A1 B1 RS 485 communication output DC power supply ...

Page 6: ...Series Operating Manual 6 Instrument Installation 1 Cable Recommended stripping length for cables is at least 90mm please use 0 5 to 1 square meter wire 2 Cable ties 3 Waterproof cable glands Typical Application ...

Page 7: ...Short Press Release the button immediately after pressing Long Press Press the button for 3 seconds and then release Press and hold Press the button and accelerate after a certain time until the data is adjusted or changed to the user s required value before releasing the button ...

Page 8: ... power is switched on the meter will display as follows 4 01 pH ATC 25 0 C 2021 11 09 12 53 17 pH ORP 14 51 mA pH Value Unit Year Month Day Sensor Communication Warning Hour Minutes Seconds Relay 1 blue is off Relay 2 Relay 3 Sensor Cleaning Relay Instrument Type Current 1 Current 2 Sensor Cleaning Symbol Temp Unit Automatic Temp Compensation ...

Page 9: ...NIST 6 86 4 01 9 18 6 86 4 01 9 18 ORP Standard Solution 235mV Default Field Calibration Field Calibration Enter Value Offset Adjustment Enter Value Slope Adjustment Enter Value Calibration Adjustment Offset Adjustment 1 Offset 2 Adjustment Slope Adjustment 1 Slope 2 Adjustment Set Points Relay 1 Status ON OFF High Low Setpoint High Alarm Low Alarm Clean Limit Value 0 00 Default Hysteresis 00 000 ...

Page 10: ... 1 Bit 2 BIT Network Node 000001 Data Log Graphic Trend Trend Chart Record Interval Display according to interval settings 480 points screen 1h point 12h point 24h point Record Query Data Points Recorded Year Month Day Time Minutes Record Interval 7 5s 90s 180s Data Output Upload Data System Language English Date Time Year Month Day Hour Minute Second Display Display Speed Low Standard Default Med...

Page 11: ...tion password press or key to set the calibration safety password then press ENT to confirm the calibration safety password Done PH Calibration After entering the calibration mode the instrument displays as shown above The instrument automatically identifies the standard liquid first calibrates the midpoint example 7 00pH then calibrates 4 01pH or 10 01pH The corresponding mV value will be display...

Page 12: ...02 9 73 ORP Calibration Press the MENU button to enter the calibration mode select ORP standard liquid calibration and input the known standard liquid value Default 235mV Press the MENU button to return to the measurement screen and press the CAL button to enter the standard solutioncalibration mode If there is no need to modify the value this setting is omitted Press the CAL button to enter the c...

Page 13: ... unit Field Calibration 7 5s Store data every 7 5 seconds 90s 1 3 minutes Store data every 90 seconds 1 5 minutes 180s 3 minutes Store data every 180 seconds 3 minutes Press the MENU button returns to the measurement screen Press the TREND button in the measurement mode to view the trend chart of the saved data directly There are 480 sets of data record per screen and the interval time of each rec...

Page 14: ...D700 D720 Series Operating Manual 14 ...

Page 15: ...D700 D720 Series Operating Manual 15 Measurement Settings ...

Page 16: ...D700 D720 Series Operating Manual 16 SimplCal Calibration ...

Page 17: ...D700 D720 Series Operating Manual 17 Field Calibration ...

Page 18: ...D700 D720 Series Operating Manual 18 Calibration Adjusment ...

Page 19: ...D700 D720 Series Operating Manual 19 Alarm Relay Settings ...

Page 20: ...D700 D720 Series Operating Manual 20 Output Settings ...

Page 21: ...for example YL0114010022 Command Structure The MODBUS application protocol defines the Simple Protocol Data Unit PDU which is independent of the underlying communication layer Figure 1 MODBUS Protocol Data Unit MODBUS protocol mapping on a specific bus or network introduces additional fields of protocol data units The client that initiates the MODBUS exchange creates the MODBUS PDU and then adds t...

Page 22: ...ly Each character or byte is sent in this order from left to right the least significant bit LSB Maximum Significant Bit MSB Start bit 1 2 3 4 5 6 7 8 Stop bit Stop bit Figure 3 RTU pattern bit sequence Check Domain Structure Cyclic Redundancy Check CRC16 Structure description Slave Instrument Function Code Data CRC Address 1 byte 0 252 byte 2 byte CRC Low byte CRC Low byte Figure 4 RTU informatio...

Page 23: ...g 3 5 characters 1 247 Function codes conforming to MODBUS specifi cation Data conforming to MODBUS specification CRCL CRCL No signal bytes during 3 5 characters Byte 3 5 1 n 1 1 3 5 Figure 7 MODBUS definition of data transmission Instrument MODBUS RTU function code The instrument only uses two MODBUS function codes 0x03 Read and hold register 0x10 Write multiple registersMODBUS Function Code 0x03...

Page 24: ...r Value Low Bytes 110 0x00 Function code 0x64 Figure 10 Examples of read and hold register request and response framesMODBUS function code 0x10 write multiple registers This function code is used to write continuous registers to remote devices 1 123 registers block that specifies the value of the registers written in the request data frame Data is packaged in two bytes per register Response frame ...

Page 25: ... number in binary form first finding the binary representation of the integer part 17 Decimal 16 1 1 24 0 23 0 22 0 21 1 20 The binary representation of integer part 17 is 10001B then the binary representation of decimal part is obtained 0 625 0 5 0 125 1 2 1 0 2 2 1 2 3 The binary representation of decimal part 0 625 is 0 101B So the binary floating point number of 17 625 in decimal form is 10001...

Page 26: ...010 0111 1011 0110 0110 0110 0110B to decimal number Step 1 Divide the binary float ing point number 0100 0010 0111 1011 0110 0110 0110 0110B into symbol bit exponential bit and mantissa bit 0 10000100 11110110110011001100110B 1 bit sign 8 bit index 23 bit tail sign bit S 0 denotes positive number Index position E 10000100B 1x27 0x26 0x25 0x25 0x24 0x23 0x22 0x21 0x20 128 0 0 0 0 4 0 0 132 Mantiss...

Page 27: ... then shortcircuit the terminal Input and Ref the instrument should be displayed in 7 000 or within the error range If the display is not correct please contact the manufacturer for maintenance Please pay attention to the following points for the maintenance of sensors 1 When adopting the circulation structure the velocity of inlet water sample should be kept as constant as possible 2 When leaving...

Page 28: ...f one year from the date of purchase If repair is necessary and has not been the result of abuse or misuse within the warranty period please return to Icon Process Controls and amendment will be made without any charge We Instruments Customer Service Center will determine if product problem is due to deviations or customer abuse Out of warranty products will be repaired on a charge basis Authoriza...

Page 29: ... 29 22 0010 01 19 23 Need a great sensor Pair your D700 D720 Series controller with the industry s most innovative and reliable sensing technology iconprocon com ...

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