Hanna-instruments HI 700 Series Bedienungsanleitung

HI 700 / HI 710 SeriesProcess,Panel-mounted,Microprocessor-based,Conductivity and TDSControllersInstruction Manual

1918An upper boundary is imposed for dosage time when relaysare energized continuously, i.e. when relay works in ON/OFF mode or also in PID mode but i

2120dition of low or high conductivity solution.An example of how the response overshoot can be improved witha proper rate action setting is depicted

2322SIMPLE TUNING PROCEDUREThe following procedure uses a graphical technique of ana-lyzing a process response curve to a step input.1. Starting from

2524This is an important feature since with most meters the alarmterminals close only when an abnormal situation arises, how-ever, due to line interru

2726ANALOG OUTPUTHI 700221 and HI 710 221 models are provided with theanalog output feature.The output is isolated and can be a voltage or a current.W

2928output matching a different EC or TDS range, for example,4 mA = 30 mS and 20 mA = 50 mS.To change the default values, the setup mode must be en-te

3130CONNECTIONSThe connections for the 6-pin RS485 terminal provided (#1on page 7) are as follows:There is an internal short between the two A pins an

3332Command Parameter DescriptionCAR null Request calibration dataGET NN Request setup item NNK 01 null Same as CFM++CAL keysK 02 null Same as LCD+CA

3534Note The controller answers to the GET command with the samedata format explained in the SET command.Following are examples of answers:1) “03<

3736Offset Calibration• To perform the EC calibration enterthe calibration mode, by pressingCAL and entering the password.• After the correct password

32TABLE OF CONTENTSPRELIMINARY EXAMINATION . . . . . . . . . . . . . . . . . . 4GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . 4FUNCT

3938• Press LCD to display the current cell constant on the pri-mary LCD (factory default value is 2.000 cm-1).• Press SETUP key.• Using ,  and ,

4140ANALOG INPUT CALIBRATIONThe analog input is already factory calibrated. However, theuser may also perform a 2-point calibration at 4 and 20 mA.It

4342value shown on the secondary display (e.g. 4).• Wait for approximately 30 seconds (until the reading of thecalibrator is stable).• Press CFM to co

4544FAULT CONDITIONS AND SELFTEST PROCEDURESThe fault conditions below may be detected by the software:• EEPROM data error;• I2C internal bus failure;

4746EEPROM SELFTESTThe EEPROM selftest procedure involves verifying the storedEEPROM checksum. If the checksum is correct the “Storeddata good” messag

4948STARTUPDuring the automatic startup the Real Time Clock (RTC) ischecked to see if a reset occurred since last software initial-ization. In this ca

5150PROBE MAINTENANCEProbe can be compensated for normal contamination by aprocess of recalibration. When calibration can no longer beachieved, remove

5352OTHER ACCESSORIESHI 7639 4-ring conductivity probe with built-in 3-wire Pt100 tempera-ture sensor and 5 m (16.5’) cableHI 3011 4-ring conductivity

5554CE DECLARATION OF CONFORMITYRecommendations for UsersBefore using these products, make sure that they are entirely suitable forthe environment in

MANHI700R3 11/05TECHNICAL SERVICE CONTACTSAustralia: Tel. (03) 9769.0666 • Fax (03) 9769.0699China: Tel. (10) 88570068 • Fax (10) 88570060Egypt:

54• Four different EC working ranges (0 to 199.9μS; 0 to1999μS; 0 to 19.99mS; 0 to 199.9mS).• Four different TDS working ranges (0 to 100.0ppm; 0 to10

76REAR PANEL1. 6-pin RS485 terminal (HI 700222 and HI 710222 only)2. Analog Output (HI 700221 and HI 710221 only)3. Power Supply4. Alarm Terminal5. Co

98INSTALLATIONHI 700 and HI 710series offer a multitudeof possibilities, fromsingle and dual set-points to ON/OFF orPID dosage, isolatedoutputs with u

1110If the Pt 100 has more than 2 wires, con-nect the two wires of one end to pins 7and 8 (pin 7 is an auxiliary input to com-pensate for the cable re

1312• Then confirm the displayed digit with and move to the next one.• When the whole password has beeninserted, press CFM to confirm it.Note The def

1514Code Valid Values Default PW14 Relay 1 deviation (D1) 0.5 to 10% f.s. 1% f.s. no15 Relay 1 reset time 0.1 to 999.9 minutes 999.9 no16 Relay 1 rate

1716If M1= 3 then S1+D1HA;If M1= 4 then S1-D1LA;If M2= 1 then S2-H2LA;If M2= 2 then S2+H2HA;If M2= 3 then S2+D2HA;If M2= 4 then S2-D2LA;If M1= 1