Hanna Instruments HI 504 Manual de usuario

HI504

Panel-mounted,

Microprocessor-based

pH/ORP Process Controller

Instruction Manual

TABLE OF CONTENTS

WARRANTY ...............................3

MODEL IDENTIFICATION .....................4

PRELIMINARY EXAMINATION ..................5

GENERAL DESCRIPTION......................5

FUNCTIONAL DESCRIPTION ..................7

SPECIFICATIONS ...........................9

MECHANICAL DIMENSIONS. . . . . . . . . . . . . . . . . . 10

INSTALLATION ............................11

CALIBRATION MODE .......................13

SETUP MODE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

CONTROL MODE .........................41

IN-LINE CLEANING ........................50

IDLE MODE ..............................53

HOLD MODE.............................54

ANALOG OUTPUT .........................56

PC COMMUNICATION .....................57

SHORT MESSAGING SERVICE (SMS) ............71

MODEM CONNECTION ....................79

pH/ORP PROBE CHECK .....................82

SOLUTION COMPENSATION .................83

TEMPERATURE COMPENSATION ..............84

LAST CALIBRATION DATA ....................86

OFFSET AND SLOPE DIRECT SELECTION ........88

EVENT LOG FILE SCROLLING .................90

FAULT CONDITIONS .......................92

SELFTEST PROCEDURES .....................94

ALARM - ERROR CONFIGURATION ...........102

pH VALUES AT VARIOUS TEMPERATURES ........105

ELECTRODE CONDITIONING AND MAINTENANE 106

DEFINITIONS............................109

ACCESSORIES ...........................110

WARRANTY

HI504 is guaranteed for two years (sensors, electrodes and

probes for six months) against defects in workmanship and

materials when used for their intended purpose and main-

tained according to instructions. This warranty is limited to

repair or replacement free of charge.

Damages due to accident, misuse, tampering or lack of

prescribed maintenance are not covered.

If service is required, contact your local Hanna Instruments

Office.

If under warranty, report the model number, date of pur-

chase, serial number and the nature of the problem.

If the repair is not covered by the warranty, you will be

notified of the charges incurred. If the instrument is to be

returned to Hanna Instruments, first obtain a Returned Goods

Authorization number from the Technical Service department

and then send it with shipping costs prepaid.

When shipping any instrument, make sure it is properly

packed for complete protection.

Hanna Instruments reserves the right to modify the de-

sign, construction or appearance of its products without

advance notice.

All rights are reserved. Reproduction in whole or in part is prohibited without the

written consent of the copyright owner.

Dear Customer,

Thank you for choosing a Hanna Instruments Product.

Please read this instruction manual carefully before using this

instrument. This manual will provide you with the necessary

information for the correct use of this instrument, as well

as a precise idea of its versatility.

If you need additional technical information, do not hesitate

to e-mail us at [email protected] or view our worldwide

contact list at www.hannainst.com.

MODEL IDENTIFICATION

The models HI504XYZ-αare pH/ORP controllers.

The meaning of the last letters is according to the follow-

ing scheme:

PRELIMINARY EXAMINATION

Remove the instrument from the packing material and exam-

ine it carefully to make sure that no damage has occurred

during shipping. If there is any noticeable damage, please

contact your local Hanna Instruments Office.

Note Save all packing materials until you are sure that the instru-

ment functions correctly. Any damaged or defective items

must be returned in their original packing materials together

with the supplied accessories.

GENERAL DESCRIPTION

The product is a real time microprocessor-based pH/ORP

controller. It provides accurate measurements, flexible

control capabilities and dual alarm signals.

The system is composed of a case inside which the signal

conversion circuitry, the microprocessor circuitry and the

output power drivers are contained.

MAIN FEATURES

• Configurations: for measure and control of pH or ORP,

with two separate sets of control settings. Thus no loss of

settings occurs when changing from pH to ORP and vice

versa.

• Display: large LCD with 4 ½ 17 mm digits and 3 ½

10 mm digits.

• LEDs: a green LED (alarm relay) and a red LED for signal-

ing the device status.

• Alarm relay: one output relay for alarm condition (fail

safe mode: COM and NC are connected).

• Daily programmable control timing.

• Diagnostic features.

• pH/ORP probe check.

• Temperature sensor (Pt100 or Pt1000 type) with automatic

recognition and damage test.

• Hold management, including hold digital input to enter

hold mode with an external trigger.

• Logging of the last 100 error, configuration, calibration

and cleaning events.

• Calibration and Setup procedures are password pro-

tected.

• Calibration: pH calibration at 2 points with two possible

sets of buffers (either 7.01 - 4.01 - 10.01 or 6.86 - 4.01

- 9.18), or at 1 point with user-selectable value.

• Temperature compensation of the Hanna Instruments

Office standard buffers.

• GLP features: old probe check, dead probe check, cali-

bration time-out, last calibration data internally recorded

(nonvolatile EEPROM memory): calibration date and

time, pH offset, pH slope, number of calibration points

and correspondent pH values.

• Solution compensation of the pH reading.

• Manual temperature setting when the temperature probe

is not inserted or temperature is out of range.

• Input: pH/ORP electrode with BNC connector.

• Input: pH/ORP/Temperature Digital Transmitter

(HI504910) which can be connected up to 1.2 km (0.75

miles) far away.

• Output (0-20 or 4-20 mA): one analog output for record-

ing of pH/ORP or controlling (only for models with PID).

• RS485 communication with Short Messaging Service

(SMS) for GSM phones.

• RS485 communication with analog modem for remote

connection with PC.

• Data logging: 6000 samples pH/°C or ORP download-

able through RS485 and HI92500 application software.

• Real time clock.

OPTIONAL FEATURES (depending on model)

• LEDs: four yellow LEDs are provided for signaling the

energizing of relay 1, relay 2 (optional), relay 3 (optional)

and relay 4 (optional).

• Relays: 1, 2 or 4 output relays. The relays LEDs are

switched ON whenever the correspondent relay is ener-

gized (NO and COM connected).

• Advanced Cleaning is provided through two cleaning

commands and variety of trigger events (relays 3 and 4

only).

• Output (0-20 or 4-20 mA): second independent analog

output for recording of temperature or controlling (only

for models with PID).

• PID control.

FRONT PANEL

FUNCTIONAL DESCRIPTION

1. Liquid Crystal Display

2. LCD key enters and exits the event scrolling mode. During pH

calibration, alternately displays pH buffer value or current

temperature

3. SETUP key enters and exits setup mode

4. CAL DATA key last calibration data viewing (enters and exits)

5. CAL key initiates and exits calibration mode

6. key increases the blinking digit/letter by one when selecting

a parameter. Advances forward while in last calibration

data viewing mode or event scrolling mode. Increases

the temperature setting when temperature probe is not

inserted

7. key decreases the blinking digit/letter by one when selecting

a parameter. Reverts backward while in last calibration

data viewing mode or event scrolling mode. Decreases

the temperature setting when temperature probe is not

inserted

8. key moves to the next digit/letter (circular buffer) when selecting

a parameter. Same as key during last calibration data

viewing mode. Move to the next piece of information for

the current event while in event scrolling mode

9. CFM key confirms current choice (and skips to the next item) ENTER

10. LEDs Relay’s 1, 2, 3, 4 activation

11. LEDs Controller Status, alarm activation

REAR PANEL

1. BNC Socket for pH or ORP electrode

2. Connection for Potential Matching Pin

3. Connection for electrode reference

4. Connections for Pt 100/Pt 1000 temperature sensor

5. Not Connected, for future use

6. Digital Transmitter input

7. HOLD input

8. Advanced Cleaning input (optional)

9. Power supply input

10. Alarm terminal

11. Relay 2 - second dosing terminal (optional)

12. Second analog output (optional)

13. Relay 1 - first dosing terminal

14. First analog output

15. HOLD output

16. Relay 4 - for Advanced Cleaning feature (optional)

17. Relay 3 - for Advanced Cleaning feature (optional)

18. RS485 output terminal

Unplug the meter before starting any electrical connections.

Disconnect the Potential Matching Pin when setup item I.04=”OFF”

Range

-2.00 to 16.00 pH

-2000 to 2000 mV

-30 to 130.0 ºC

Resolution

0.01 pH

1 mV

0.1 ºC above -10 ºC; 1 ºC below

Accuracy

(@25 °C/77 °F)

±0.02 pH

±2 mV

±0.5 ºC (-9.9 to 130.0 ºC); ±1 ºC (-30 to -10 ºC)

Typical EMC

Deviation

±0.2 pH

±10 mV

±0.5 ºC

Digital Input for the pH/

ORP/°C Transmitter RS485

Other Digital Insulated

Inputs

• 2 digital insulated inputs: 1 for hold and 1 for the

advanced cleaning

• ON state: 5 to 24 VDC

Digital Insulated Output A digital insulated contact closed upon hold mode

Temperature compensation Automatic or manual from -30 to 130 ºC

Temperature probe With 3-wire or 2-wire Pt100/Pt1000 sensor

(with automatic recognition and damage test)

Installation Category II

Power Supply

(depending on model)

24 Vdc/ac

230 Vac, 115 Vac or 100 Vac ±10%; 50/60 Hz

Power Consumption 10VA

Over Current

Protection 400 mA 250V Quick Blow Fuse

Max. Oscillation Frequency 8 MHz

Relays 1, 2, 3, 4

Electromechanical relay SPDT contact outputs,

5A-250 VAC, 5A - 30 VDC (resistive load)

Fuse protected: 5A, 250V Quick Blow Fuse

Alarm Relay

Electromechanical Relay SPDT contact output,

5A - 250 VAC, 5A - 30 VDC (resistive load)

Fuse protected: 5A, 250V Quick Blow Fuse

SPECIFICATIONS

MECHANICAL DIMENSIONS

FRONT VIEW SIDE VIEW

Analog Output • 2 independent outputs

• 0 - 22 mA (configuring as 0-20 mA or 4-20 mA)

Analog Output Resolution 0.1‰ f.s.

Analog Output Accuracy ± 2‰ f.s.

Data logging 6000 pH/°C or ORP samples

Environment 0 to 50 ºC; max 85% RH non-condensing

Casing IP20 (housing); IP54 (front panel)

Enclosure single case ½ DIN

Weight approximately 1.6 kg (3.5 lb.)

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