Hanna Instruments HI 24 Series Instruction Manual Download | Manualshive

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HI 23 / HI 24 Series

Wall-mounted,
Microprocessor-based,
Conductivity and TDS
Process Controllers

Instruction Manual

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Summary of Contents for HI 24 Series

Page 1: ...1 HI 23 HI 24 Series Wall mounted Microprocessor based Conductivity and TDS Process Controllers Instruction Manual...

Page 2: ...log output HI 23212 EC controller with dual setpoint ON OFF control and RS 485 port HI 23221 EC controller with dual setpoint ON OFF and PID control and analog output HI 23222 EC controller with dual...

Page 3: ...ESCRIPTION HI 23 and HI 24 series are real time microprocessor based EC or TDS controllers They provide accurate measurements flexible ON OFF or proportional control capabilities ana log input and out...

Page 4: ...0 to 199 9mS Four different TDS working ranges 0 to 100 0ppm 0 to 1000ppm 0 to 10 00ppt 0 to 100 0ppt for HI 24 series Possibility to switch to TDS measurements with conversion factor from 0 00 to 1 0...

Page 5: ...5 4 20 mA input from external transmitter 6 Main Power Supply 7 Alarm Terminal 8 Contact 1 First Dosing Terminal 9 Contact 2 Second Dosing Terminal 10 EC TDS probe connector 11 Hold terminal 12 Timer...

Page 6: ...t 0 0 to 100 0 ppt HI 24 series only 10 0 to 100 0 C Resolution 0 1 S cm 1 S cm 0 01 mS cm 0 1 mS cm 0 1 ppm 1 ppm 0 01 ppt 0 1 ppt HI 24 series only 0 1 C Accuracy 0 5 full scale EC and TDS 20 C 68 F...

Page 7: ...der to activate and de activate them according to the selected control parameters mA Input to switch to mA input signal from a conductivity transmitter e g HI8936 or HI98143 series see the setup proce...

Page 8: ...the negative input An unregulated 10 30 VDC 50 mA max power supply output 4 on page 8 is pro vided to power the transmitter if needed Pin 12 is the positive voltage terminal and pin 13 is the negativ...

Page 9: ...f s no 13 Relay1hysteresis H1 0 to 5 f s 1 f s no 14 Relay 1 deviation D1 0 5 to 10 f s 1 f s no 15 Relay 1 reset time 0 1 to 999 9 minutes 999 9 no 16 Relay 1 rate time 0 0 to 999 9 minutes 0 0 no No...

Page 10: ...en S1 D1 LA Code Valid Values Default PW 21 Relay 2 mode M2 same as relay 1 0 no 22 Relay 2 setpoint S2 0 5 to 99 5 full scale 75 f s no 23 Relay2hysteresis H2 0 to 5 f s 1 f s no 24 Relay 2 deviation...

Page 11: ...osage 2 ON OFF low setpoint high conductivity dosage 3 PID low setpoint low conductivity dosage if available 4 PID high setpoint high conductivity dosage if available If M2 1 then S2 H2 LA If M2 2 the...

Page 12: ...s An upper boundary is imposed for dosage time when relays are energized continuously i e when relay works in ON OFF mode or also in PID mode but in the latter case only if the relay is always ON This...

Page 13: ...ssible control for the particular process The target is to achieve a fast response time and a small overshoot Many tuning procedures are available and can be applied to the EC TDS controllers A simple...

Page 14: ...S C NO Normally Open Energized Relay The user can vary five different parameters i e the setpoint S1 or S2 the deviation D1 or D2 the reset time the rate time and the proportional control mode period...

Page 15: ...will avoid fake or temporary alarm con ditions Note If the power supply is interrupted the relay is de energized as if in alarm condition to alert the operator In addition to the user selectable alarm...

Page 16: ...mA 50 mS To change the default values the setup mode must be en tered Setup codes for changing the analog output minimum and maximum are 41 or 42 respectively For the exact pro cedure refer to the se...

Page 17: ...and stir to ensure that no air bubbles are trapped inside the sleeve CALIBRATION The controller is factory calibrated for temperature as well as for the analog input and outputs The user should period...

Page 18: ...close to the selected solution ERROR will blink A 2 point calibration is always suggested However the EC TDS calibration can also be performed at 1 point To cali brate offset only just press CAL after...

Page 19: ...mA and wait for the reading to stabilize CAL will stop blinking and an intermittent CFM will prompt the user to confirm the calibration Note Press SETUP before CFM to exit without changes Note It is...

Page 20: ...p erational mode Calibration procedure may be interrupted by pressing CAL again at any time If the calibration procedure is stopped this way or if the controller is switched off before the last step n...

Page 21: ...on the display to advise the user of this status Note When adjusting values using the or keys it is important to allow for sufficient response time up to 30 seconds The table below lists the values o...

Page 22: ...and displays a perpetual sliding message Serial bus error i e this is a fatal error If an invalid date is read from RTC it is initialized back to the default date and time 01 01 98 00 00 You can use s...

Page 23: ...h setup code 72 This output is ON for the period set through setup code 77 this period can be also changed when the output is ON The starting time of the cleaning timer can be set through setup codes...

Page 24: ...s are accessible to the left panel number 1 and the pins are as signed as shown in figure Pin 1 is ground pin 2 is signal line pin 3 is the inverted signal line and pin 4 is connected to 5V The networ...

Page 25: ...er identified by the process ID number 03 to the 12 00 mS value Using the arrow keys set the controller address To exit setup press CFM key and then LCD key Note In an RS 485 network each device must...

Page 26: ...tive and no alarm condition is present and controller setup is updated on PC 01SET33 015 CR This command sets the setup item 33 max relay ON time of a controller identified by the process ID number 01...

Page 27: ...asurement though user is informed that EC or TDS calibration is needed by means of a blinking CAL When the last calibration data is required the no CAL message is displayed if no calibration procedure...

Page 28: ...TEMPERATURES Temperature has a significant effect on conductivity Table below shows EC values at various temperatures for the Hanna calibration solutions TEMPERATURE EC VALUES S cm C F HI7030 HI7031...

Page 29: ...4 20 mA Simulator ACCESSORIES CONDUCTIVITY CALIBRATION SOLUTIONS HI 7030L 12880 S cm solution 500 mL bottle HI 7030M 12880 S cm solution 230 mL bottle HI 7031L 1413 S cm solution 500 mL bottle HI 7031...

Page 30: ...All Hanna Instruments meters are guaranteed for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions The probes are gua...

Page 31: ...84 2942 Japan Tel 03 3258 9565 Fax 03 3258 9567 Korea Tel 02 2278 5147 Fax 02 2264 1729 Malaysia Tel 603 5638 9940 Fax 603 5638 9829 Singapore Tel 6296 7118 Fax 6291 6906 South Africa Tel 011 615 6076...

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