Hanna Instruments HI 504 Manuale utente
HI504
Panel-mounted,
Microprocessor-based
pH/ORP Process Controller
Instruction Manual
2
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.
4
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
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:
5
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.
6
• 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.
7
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
8
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”
9
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
10
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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